Friday, October 30, 2020

Take BIM Processes to the next level with Digital Twins

Organisations in all industries are under pressure to deliver more robust and innovative operating models. Bart Brink, Global Director for Digital Twin at Royal HaskoningDHV, and Casey Rutland, UK Director of Digital at Royal HaskoningDHV, explore how digital twins can elevate BIM processes to create sustainable value and competitive advantage.

The world is in transition. Challenges and opportunities arise with increasing frequency, customers are more demanding, and societal expectations are higher. These changes, combined with the rapid rate of digital innovation, are forcing significant business transformation across almost every sector – and widescale strategic changes for many organisations.

Embracing Building Information Modelling (BIM) has been a valuable step in this transformation journey. By using BIM methodologies and standards to collaboratively create digital representations of assets, organisations have brought new consistency and efficiency to their design, construction and operation acca.

But BIM isn’t a technology or asset that you can simply deploy to modernise operations and then forget about. It’s a process, and the key to long-term success and value within any process is intelligent evolution.

BIM has proven itself as a valuable mechanism for connecting information and ideas between different stakeholders. Yet, despite its aim to link the design and asset management phases of a project, it’s often used solely as a 3D-modelling tool for design and construction stages – and misses the chance to demonstrate its value throughout the asset lifecycle.

Now, it’s time for forward-thinking leaders to evolve their BIM outputs beyond design and construction and find new ways of deepening the use of collaborative data models in operational strategies through digital twin adoption.

DIGITAL TWINS: DRIVING OPERATIONAL EXCELLENCE IN A DIGITAL AGE

BIM processes and digital twin strategies are built on a number of common principles; both are concerned with improving process visibility, aligning stakeholders and supporting planning. But more importantly, they’re both extremely useful for helping teams look at assets not as siloed, capex-focused investments, but instead as ongoing projects.

Successful BIM processes and frameworks help you establish a clear project vision, that supports business outcomes before design commences or work begins on site. But, in order to continuously improve and adapt projects to deliver greater value to everyone once work has begun, you need the real-time insights. That’s where digital twins become extremely useful.

Digital twins allow you to visualise, monitor and optimise your operational assets, processes and resources by harnessing live data. This provides vital, real-time insights into performance and activity. At its core, a digital twin can be an output of a BIM process and is essentially a ‘living’ version of the project or asset view that BIM processes exist to create – able to evolve and transform using real-time data once the asset is in use.

To gain maximum value from every asset at every stage of its definition, design, construction and operation, subsequent capital expenditure projects should contribute to the creation of an ongoing digital twin, again through the BIM process. That twin will act both as a single source of truth for the asset throughout its lifecycle, and as a blueprint for future innovation and improvement – taking a process and elevating it into an evolving project.

Thursday, October 29, 2020

New exam format DipIFR: looking for differences

For an accountant striving for professional heights, DipIFR has been a kind of guiding star for almost 15 years. In the sky of Russian-language qualifications in accordance with IFRS, the DipIFR diploma is really beyond competition - it is huge and amenable only to persistent ones. And therefore, by the way, it does not lose its prestige. The ambitious accountant throws up his eyes to the sky - and sees: yes, DeepIFR is still there, and its appearance is habitually unchanged from year to year, just like the visible side of the Moon facing us.

But in fact, there is only one session left for the DipIFR exam in its current form - in June 2019. Since December 2019, the structure of the exam has changed, and, while remaining the same in content, it will change in form . How significant are these changes?

The changes are completely cosmetic and boil down to equalizing the weight of all issues. There will still be four questions, only each will now weigh 25 points. That is, the grandiose first consolidation question (weighing 40 points today) will decrease to 25 points, distributing its freed up points among the other three: accp

If the changes are not so fundamental, then is it worth talking about them at all, you ask? It is worth it - for two reasons. First, I would like to emphasize that the changes are not serious. And sometimes you have to see on the Internet moaning in the spirit that “everything is gone”, “the exam is getting more difficult,” but this is not so. The redistribution of points from the first question does not affect either the preparation strategy or the tactics of passing the exam.

And all because from time immemorial in the first 40-point question of "pure" consolidation there were always 25 points, at most 30. You can check the example of model answers for the 2018 exams. Non-consolidation complications (rent and others) there occupy 10-12 points out of 40. That is, before the described changes in consolidation there was plus or minus 25 points, which after . Just basically just nekonsolidatsionnye complication perepolzut in other matters.

Yes, of course, this automatically means that these redistributed 15 points will now need to be commented and explained - after all, every exam question, except for the first one, requires an explanation - but tell me, how does it complicate the exam? Did anyone ever hope that they could pass DipIFR without being able to explain their answers, that is, without knowing the VODKA technique and the alternation strategy ?

So if, due to the change in the format, the exam becomes more complicated, it is so insignificant that everything can be attributed to a statistical error.

But above I said that there are two reasons why I decided to write about this change. The second reason is in some way, I'm not afraid of this word, intrigue.

The fact is that reducing the volume of the first consolidation question potentially frees the examiner's hands in terms of which combination of reports to test the consolidation with. After all, what have we got used to for almost 10 years of the current format? To the fact that we are given to frolic either only with the OFP , or only with the OSD, or - a lordly favor from the examiner - we are given the OSD and the OIC . In general, as a rule, consolidation is just one report. Packed with complications, but alone. And since December 2019, non-consolidation complications have largely gone into other issues.

In this context, perhaps you would be interested to know that the "paper" - let's take DipIFR from the full ACCA qualification - financial reporting (FR, Financial Reporting) - and so, this subject has been testing in the first question for decades a combination of OFP and OSD. There, such a tradition has taken root precisely because no non-consolidation complications get confused underfoot, and you can create a good problem for 25 points that tests consolidation in a complex, as a system. Both the balance sheet and the income statement.

What are you talking about? "Was that just not enough?" Then you to the point: in my opinion, it was this systematic approach to the consolidation of DipIFR exams that was lacking. Being overloaded with a mass of small details, the consolidation issue of DipIFR did not allow testing OFP and OSD at once without over complicating the issue and not destroying all applicants in one blow. Although the DipIFR exam program has for many years contained such a description of the first question, I quote: “Question 1 includes the preparation of one or more consolidated reports that are examined within the program”.

Until now, this very "more than one report" dropped out on the exam only when the OSD was tested together with the OIC. But it is quite possible that now, having removed the unnecessary from the first question, the examiner has just cleared the way for testing the OSD together with the OFP?

In truth, even this intrigue does not make the DipIFR exam any more difficult. The exam will just become potentially more interesting. And for a student who sees in DipIFR not a "crust", but a way to become stronger and more educated - this is just a holiday. Well, really?

Of course, my assumptions about GPP and OPA in the first question are just assumptions. DipIFR exams are not written by me. As you know, someone else's soul is darkness. But, be that as it may: by December 2019, we are redoing the materials already for the new exam format. Problems for OFP and OSD have been in our materials before, so the main change in our materials is that we will “cut off” unnecessary complications from those 40-point problems that we have in our problem book.

Wednesday, October 28, 2020

Lookout announces the availability of an EDR solution developed specifically for mobile

What is accp

Lookout, the specialist in mobile security, adds a complete EDR (Endpoint Detection and Response) solution for mobile. Integrated within the Lookout Security Platform, Lookout's mobile EDR solution enables organizations to conduct their own research and identify threats to stop intrusions. It operates the same console used by Lookout analysts to discover mobile threats such as Pegasus, Dark Caracal, Monokle and more recently SilkBean.

While many organizations have full monitoring of server, desktop, and laptop activity, what they lack is the same telemetry for iOS, Android, and Chrome OS devices. As employees increasingly use mobile devices for work, attacks on these devices have increased.  

Mobile, the poor relation of cybersecurity

Lookout EDR is thus specifically developed for mobile phones. An EDR solution for mobile devices is very different from the same solution for laptop and desktop computers. Mobile operating systems such as iOS, Android, and Chrome OS do not allow the invasive techniques built into traditional security solutions, such as kernel extensions and process control, to be used.

“All employees use mobile devices in the course of their work, but most organizations do not control attacks on these devices. For this reason, Advanced Persistent Threats (APT) are increasingly targeting mobile devices rather than traditional desktops or the corporate network, ”said Aaron Cockerill, Chief Strategy Officer, Lookout. "Our 'mobile endpoint detection and response' solution enables organizations to hunt down APTs by identifying the mobile component of these cyber attacks."

Tuesday, October 27, 2020

framework administrator prerequisites

 Frameworks ADMINISTRATOR

Under the oversight of the Chief Technology Officer, plays out an assortment of data frameworks organization capacities including introducing, arranging, and supporting complex working and serverbased frameworks; screens and keeps up District innovation frameworks including workers, organizing, applications, and information bases; helps the advancement of pictures, organization of utilizations and administrations, innovation gadget the executives, and progressed specialized critical thinking; screens administrations and applications to guarantee accessibility to framework clients; helps with the usage of new and redesigned innovations. 

Recognizing CHARACTERISTICS: 

Frameworks Administrator I is the passage level order in the arrangement of system admin requirements. Representatives at this level work under close management and perform work in the upkeep, establishment and fix of District innovation 

frameworks including workers, systems administration, applications and information bases. The Systems Administrator III is the 

progressed level in the arrangement. Positions at this level are recognized from the excursion level Information 

Frameworks Administrators, by the more noteworthy trouble and intricacy of the explanatory assignments. 

Basic DUTIES AND RESPONSIBILITIES incorporate the accompanying. Different obligations might be relegated. 

• Installs, design and convey worker equipment and programming, including working frameworks, 

applications, and patches to help and keep up compelling organization administration tasks all through 

the District. 

• Supports, investigates, fixes and keeps up worker issues and security for big business and huge 

scale applications. 

• Provides Activity Directory Management help to District staff in overseeing client and PC 

accounts. 

• Troubleshoots, surveys and resolves impeded sites; plays out an assortment of obligations identified with channel 

the board. 

• Manages, sends, designs, and keeps up workers in a virtualized and conventional climate. 

• Assists in making contents to screen frameworks, diagnostics, resolve issues, and robotize schedule 

errands. 

• Provides uphold for gadget the executives including picture advancement, cell phone 

the executives, application bundling and arrangement. 

• Configures frameworks for high accessibility including methodologies for back-up and recuperation, failover, load 

adjusting, and full repetition. 

• Installs worker equipment and segments, for example, plates, memory, and different segments; models and 

tests changes to creation frameworks. 

• Analyzes and resolves issues, assembles data to recognize needs, assesses frameworks and organization 

necessities, and 

• Diagnoses and resolves complex programming, worker, and systems administration issues. 

• Supports the District's catalog administrations framework, including equipment setup and 

redesigns, bunch engineering, account support, and validation for verification and 

network access. 

• Creates, and keeps up composed and verbal systems; plans composed specialized documentation, 

preparing material, guidelines, reports, and different records as allocated. 

• Evaluates frameworks and substitute arrangements; creates useful details, guidelines, and 

prerequisites for equipment and programming buy and configuration to guarantee ideal framework and enduser execution; makes suggestions for changes and extra administrations.

Monday, October 26, 2020

What are the important technologies?

SAs and those aspiring to become one should familiarize themselves with the following technologies:

Automation of system administrative skill set

Cloud and Software as a Service or SaaS, including archiving, spam filtering, CRM, and more

Virtualization

Voice over IP (VoIP) technology

The role of a system administrator is diversifying. It can be a systems engineer, an application engineer, a development engineer, a development engineer, a virtualization engineer, a release engineer, etc.

As cloud computing and virtualization continues to gain momentum, infrastructure engineering must be managed in such a way that automation tools are used. Additionally, IT development is ubiquitous and data analytics as well as applications need to be scaled vertically and horizontally in data centers. Most of the platforms used for this are typically designed by system administrators.

The advent of the cloud has changed the traditional role of ASes. They became engineers specializing in the cloud, but the infrastructure design and basic system services such as mail server, DHCP and DNS remain the same. Other ASes have specialized in cybersecurity. All this means that the role of AS is evolving, diversifying and moving towards systems programming, towards engineering in the cloud and towards infrastructure engineering and performance engineering.

The benefits of automating AS tasks

Automation allows some ASs and network engineers to run large and more complex networks.

To give you a little idea, it will be difficult for it to combine system messages from a network of 1000 devices without having a centralized logging service.

However, it must be said that automation can also make the job of the AS more difficult. For example, when you see a red X from a device in your networking dashboard, it could indicate an issue with either of the following:

The network management software itself

The device hosting the dashboard

The discovery protocol

Routing

The cable connecting the device to the network

The device that displays the red X

Automation has therefore introduced three more levels of abstraction (the first three points mentioned above) between you and the potentially problematic device. This therefore requires training on other technologies and makes troubleshooting more difficult on a daily basis.

Does that mean automation is a bad thing? The answer is 'No', but you (and your management) should be aware that this comes with hidden costs.

The cloud and the XaaS service are growing

Backing up and archiving in the cloud has dramatically reduced routine data management operations that were previously labor intensive. Using the cloud and Xaas (Everything as a Service) can free the AS from many server-centric tasks.

Philip Kizer, president of the League of Professional System Administrators (LOPSA), believes that cloud computing makes the role of AS more important.

Thanks to this, he can defend the interests of the company and filter out external services that do not meet his needs. Without an experienced AS, companies are at the mercy of service providers, with their many business arguments ”. Of course, for this to be the case, the AS must understand not only the computer technology, but also the real needs of the business.

Virtualization and VoIP

Virtualization adds further levels of abstraction and creates a tangle of virtual networks. This means that an AS should know about routing and switching at a more advanced level than before.

As you know, virtualization and cloud computing are all the rage right now, and ASes are the lucky ones to administer these emerging technologies. They still have a chance to survive in this field if they manage to combine their existing skills with the new skills of the future.

VoIP, or “Voice over Internet Protocol”, for example, has been a very popular technology for the past ten years. This technology makes it possible to transmit both sound and text through a computer network. But its main advantage is that it is economical and can be developed for quality intercommunication between the employees of an organization. The concept is to implement audio streaming, but this also presents security vulnerabilities when communicating between two or more people.

Understanding the dynamics of the load in the network is essential if the AS is to successfully implement and implement VoIP. Indeed, don't forget that today's users do not tolerate the downtime of voice over IP, because they have become accustomed to traditional telephony networks which had a so-called five "nine" availability, that is, networks that worked 99.999% of the time. Thus, the role of the AS is no longer limited to the implementation of VoIP, that is to say to allow effective communication, but also to counter the possible cybercriminal threats that result from it.

Friday, October 23, 2020

Getting Started with Linux System Administration 1 8 Commands to Remember First

Basic commands for operating Linux files linux system admin

If you are reading now, I will explain that you can build a Linux environment and log in. If you haven't created a Linux environment yet , read How to Build an Environment .

The account used below is testac and the host name is some1.

Current directory view pwd

pwd is a command that shows which directory you are currently in. Running pwd will show you the current directory. Immediately after logging in, you will be in the / home / account name directory

testac @ some1: ~ $ pwd 

/ home / testac

View files in directory ls

ls is a command to display the files and directories in the current directory. Run ls to see a list of files and directories.

testac @ some1: ~ $ ls 

file1.txt file2.txt folder1

Move directory cd

cd is a command to move directories. The first is in the / home / account name / directory. cd to folder1.

testac @ some1: ~ $ cd folder1 / 

testac @ some1: ~ / folder1 $ pwd 

/ home / testac / folder1

If you want to move to the next higher directory, use cd .. .. means the next higher directory. The current directory is. The directory two above is not ... but ../ ..

testac @ some1: ~ / folder1 $ cd ..   

testac @ some1: ~ $ pwd 

/ home / testac

Move and rename files mv

mv is a command to move and rename files. When you specify a file with the location / file name and full path, changing the location will move it, and changing the file name will rename it.

Format is mv Current file (directory) name Renamed file (directory) name.

Change file1.txt to fileA.txt

testac @ some1: ~ $ mv file1.txt fileA.txt 

testac @ some1: ~ $ ls

 file2.txt fileA.txt folder1

Move file1.txt to folder1

testac @ some1: ~ $ mv file2.txt folder1 / 

testac @ some1: ~ $ ls folder1 /   

file2.txt

Copy files and directories cp

cp copies files and directories. Faomat is cp copied to copy destination of .

testac @ some1: ~ / folder1 $ cp file2.txt fileB.txt 

testac @ some1: ~ / folder1 $ ls

 file2.txt fileB.txt

When I try to copy a directory with contents with cp, it cannot be executed with an error. When copying a directory, add -R to cp to copy the contents of the directory as well.

testac @ some1: ~ $ cp -r folder1 folderB 

testac @ some1: ~ $ ls 

folder1 folderB

Delete directories and files rm

Delete the file.

testac @ some1: ~ $ rm file1.txt

Add -R to delete the directory.

testac @ some1: ~ $ rm -R folder1 /

File content display more

View the contents of the file

testac@some1: ~ $ more file1.txt 

Hello 

World

Log out exit

Log out of that account.

testac @ some1: ~ $ exit   

logout

Summary

In this article, I have selected and introduced eight file operation commands that people who are new to Linux must use. However, it does not mean that you only need to know these eight. The eight commands introduced this time are only those that are really necessary at the beginning.

In addition to this, we will introduce how to use essential commands such as vi and apt if you manage Linux.

Thursday, October 22, 2020

When it comes to managing computer systems, whether in an office environment, on a campus or in an enterprise data center, there's a long list of tools and technologies SysAdmins need to master. There are numerous certifications can help validate knowledge and skills in those areas.

In addition to server and client configuration and maintenance, many system administrators must understand access controls, network services and resource requirements for applications. They often find themselves working with directory and name services as well as network addressing, database services, web and desktop applications, email, and more system administrator skills.

Making sense of all these different system administrator roles and accompanying certifications is no easy task. After examining various credentials, we came up with a list of our five favorite system administrator certifications for 2019.

The following chart shows the results of an informal job search we conducted that gives you an idea of the relative frequency with which our top five certifications appear in actual job postings. While all the certifications are popular, the CompTIA Server+ stands out as the clear favorite.

Job Board Search Results (in alphabetical order, by certification)*

Certification

*When searching for VCP – Data Center credentials, we found most job descriptions didn't indicate a specific version.

Although employers tend to pay SysAdmins less than some of their IT peers, such as network engineers and data architects, a career in system administration is still worth pursuing. SimplyHired reports $77,296 as the national average salary for SysAdmins, in a range from $49,746 to $120,102. Indeed.com pegs averages at $75,967 for plain-vanilla, and $88,032 for senior systems administrators.

MCSE: Microsoft Certified Solutions Expert

The Microsoft Certified Solutions Expert (MCSE) certification has long ruled the hearts and minds of those who work on Microsoft-based systems, servers and clouds. MCSE certifications focus on the latest technologies for business applications, cloud infrastructures, data management and analytics, mobility, and productivity.

But when it comes to system administration certifications in general, the brightest lights are those that address Windows Server at the enterprise and server administrator levels. While these credentials don't all specifically use "system administrator" in their descriptions, they all fall well inside the roles and responsibilities of system administration jobs. They're also in high demand in job postings and classified job advertisements.

The MCSE: Cloud Platform and Infrastructure targets IT professionals seeking to promote careers such as information security analysts or computer support specialists. Those obtaining the certification will find that the MCSE: Cloud Platform and Infrastructure credential is designed to validate the skills necessary to effectively run a data center, including networking, storage, systems management, virtualization and identity management.

Note: The Microsoft Certified Solutions Associate (MCSA) is Microsoft's prevailing mid-range IT certification. It covers most administrative job roles, including system administration at both the desktop and server levels, as well as more specialized job roles that include SQL Server and Office 365. MCSA: Cloud Platform is a gateway certification that feeds into these MCSE certifications.

System administration candidates might also want to take a close look at the MCSE: Productivity credential, which garners nearly as many hits on job boards as the MCSE: Cloud Platform and Infrastructure cert. The MCSE: Productivity focuses on Microsoft Exchange, SharePoint or Skype For Business. Because communications systems and services of all kinds are so important to business, these are good areas for aspiring and practicing system administrators to specialize in.

The Microsoft Certification Program underwent extensive changes in September 2016. Once you earn one of the latest MCSE credentials, you do not have to recertify within three years as used to be the case. However, by passing an elective exam each calendar year, you add an entry to your transcript that indicates your commitment to staying current on technologies and expanding your skillset.

Monday, October 19, 2020

Linux OpenStack Virtualization System Engineer

Are you a computer scientist passionate about Open Source and attracted to challenges?

Do you want to work within a dynamic and open-minded team, in one of the largest French information systems which combine old and new innovative technologies?

You have a Bac + 5 (or equivalent) and you are skilled in virtualization and modeling of virtualized resources with knowledge of OPENSTACK and ManageIQ software. Do you follow technological news, are proactive, attentive to others and able to quickly integrate yourself into a friendly and motivating team?

Would you like continuous training and working on several projects that motivate you, within our research and development laboratory?

When you join BOSSTEK, you work with new technologies on promising projects and make you evolve quickly!

We

BOSSTEK, through its many internal projects, offers you the possibility of participation and strong actions junior linux system administrator.

Listening to the employee, respecting and valuing each other are the key points of BOSSTEK.

Each employee is monitored regularly and pushed towards development through coaching, training and listening.

Do you like challenges? The technical test before joining our company will be your first challenge. You will be assigned an environment and technical support and a final assessment will be discussed at your last interview.

The project

As part of the pooling of services between large organizations, our client is looking for skills in the management of environments organized in Cloud of Services (IaaS). Objective: reduction of the number of servers by 5 in 2020. (Currently 5000 servers under Linux).

To strengthen a team of 5 people (2 architects, 2 systems engineers, deployment, supervision, 1 versatile) your main missions will be:

Management of virtual networks with Open vSwitch, 4 infrastructures to build which will be managed via OpenStack

Study phase for ManageIQ

Participation in the construction and maintenance in operational condition of the OPENSTACK platform

Addition of OPENSTACK components

Industrialization and automation

Support N3

Collaboration with other teams (deployment, supervision, functional)

Secondary missions:

OpenStack / OpenNebula comparative study.

Reinforcement of the security part. Work in collaboration with dedicated security teams.

If this position and the prospect of investing in a dynamic team interest you, it is because this mission is for you!

Technical environment of the position

Centos7

OPENSTACK

Kolla

ManageIQ

DOCKER

GitLab

Python

Puppet

Cobbler

Friday, October 16, 2020

Network security: what are they really? How to make them more secure?

We are currently at a time when the use of new technologies dramatically improves the ability to communicate with other people. The Internet has been globalized at an astonishing speed and relationships in all fields change and evolve at their own pace, constantly, to be updated.

In this article, we'll take a look at what a network is and how we can run our own network effectively, from our work at home. Network security will cover the last part of the article, where we will see above how they should be to be more secure. Little by little, we will deal with more and more complex concepts so that everyone, whatever their previous knowledge, ends the article by understanding the different concepts linux systems administrator.

banner desktop free trial 100 device

Imagine what the world would be like today if the Internet did not exist . Without Facebook, YouTube, Netflix, how would our life be, what differences there would be… I think we have all come to a conclusion that we agree with, where the Internet, the network that unites us all, has improved our quality of life . What overwhelms most is to think that this expansion has no limits . What we thought impossible yesterday is today an application fully integrated into our daily lives and which we all use as normal.

The concept of human network is the interaction between the Internet, businesses and people like you or me. For example, our current learning and training style has improved dramatically. Now we can have courses or careers from home. Before, it was unthinkable to access certain content because of the considerable time that would have had to be invested. Today, it is something that companies use to train their employees.

Our leisure activities are strongly affected by the use of the network. One of the sectors that benefits the most is video games . How everything has changed since we played “Monkey Island” on our own in front of our computer, to today's big network games like “League of Legends” or “Call of Duty”.

One of the most common types of network communication is that of client-server , which we use the most in our daily life. Indeed, this type of communication takes place in such routine tasks as when we double click on the icon of our web browsers, by sending emails, by accessing web pages… In this case, we are the client. that requests information from the server, which could, for example, be the company that offers us the messaging service. To use the network and access this content, we use software that allows you to request any information from the server in question, this is the web browser.

network security

The most basic infrastructure in any network is usually made up of: devices, media, and services. Media and peripherals are hardware elements of the network, such as a router or a PC. As we have already talked about, the services can be any web hosting.

We know of a certain network device called terminal . It is nothing other than the destination and origin of any message transmitted through the network. To distinguish between terminals, a specific address is used. In this way, when communicating between them, this address is indicated and the message reaches the desired destination. To connect these terminals, intermediate devices perform this task, the most common example being the router.

If we think of the physical medium used to achieve this communication, several of them surely come to mind. These can be wires that are in cables, to optical fiber, to the wireless connection of our Wi-Fi network, etc. Each network interface is identified by a globally unique MAC address which differentiates it from others during communication. This address serves as an identity card.

Another concept that we need to explain a bit to understand how a network works is called Gateway . Its main function, somewhat summarized, is that it works as a gateway between our local network (us) and the outside, translating the protocols so that communication is possible. A device is assigned an IP address, and from that point on, it will act as a gateway. The most common thing in homes is that it is the router.

Now let's move on to the most used types of networks. We have the LANs for a small area, the WAN for a wide geographic area network and, for example, the WLAN , which is similar to LAN , but wireless. Depending on the number of users, the size of the area to be covered and the number of services, we will use both.

Who provides the connection to the network? Well, it's called ISP , which are Internet service providers. The most common connection options are: cable, ADSL (digital subscription), satellite or dial-up telephony.

A frequent concern of network users is network security . It's not for nothing. Indeed, more and more sensitive information that we transmit through this means, from the data of our bank accounts to multimedia files, is likely to compromise us.

network security 2

The most common threats that we can find are viruses, worms, Trojans, spyware, adware, zero-day vulnerabilities, identity theft, among others. Many studies have been done to analyze what are the best habits to make our network safer on a daily basis, and we have always come to the same conclusion: our network's worst enemy is our own finger. I mean, the user has a really bad habit of tapping on all kinds of links without even thinking if the latter that we are going to access is safe for us. By being careful, we will avoid 70% of the security problems of our network.

The safety components typical network that we know are: antivirus and antispyware, firewall filtering, file encryption and other mechanisms. All these elements must be activated on our computers to avoid having a bad time. The vast majority have free versions, so there is no excuse for not having the correct antivirus installed. If we want to subscribe to an antivirus with all the functions, there are quite economical options to present up to 5 devices in a single annual payment.

In addition to the most common, we also have a series of tools to ensure additional security . Some of them can be: access control lists (ACLs), which filter access and forward traffic; virtual private networks (VPNs), which provide more secure access, for example to remote workers; intrusion prevention systems (IPS), which monitor network traffic or system activity for malicious actions, and dedicated firewall systems, which give us more powerful firewall features to filter traffic.

With this article, I intend to give readers a helping hand to start researching all kinds of interesting information related to networks and their security for themselves. I think it is quite useful to have this kind of knowledge because we use it constantly and we don't always give it everything we should.

Thank you very much for reading the articles we have posted on the blog. Now that you have deepened your knowledge of networks you can go one step further and start monitoring them, you can also check out the Pandora FMS website to discover a great tool for monitoring networks.

Thursday, October 15, 2020

Systems and Technical Support Administrator

Your mission: Basic linux skills

Design, implement and maintain the information system

Platform documentation

Continuous monitoring of the status of services and servers

Analysis of the need

Deployment of solutions

High availability / Security

Architecture documentation

Design the general organization and the evolution of the information system architecture according to the needs of the company and technological opportunities

Administer, maintain and develop the system and network components of virtualized systems.

Develop the information system and make it easily usable by company users.

Manage the network and the computer park

Administer the network, manage the configuration

Maintain the company's operating systems.

Job requirements


Skills and profiles sought:

Very good knowledge of Linux systems and virtualization environments

Knowledge of IT security principles.

Knowledge of databases.

Experience in the administration of computer systems is required.

A good level in French is compulsory

Wednesday, October 14, 2020

what is the contrast between software engineering and PC designing

 Distinction between Computer Science and Computer Engineering 

Yocket Editorial Team 

Refreshed on 16 September, 2020 

With an ever-progressively digitalized world controlled by headways in the realm of registering, there is a corresponding development in the requirement for engineers with the proper range of abilities who can add to programming and equipment parts of a processing framework. In India, the lines between the two are fairly obscured with most universities offering a college degree in software engineering and designing. Be that as it may, as understudies start arranging a specialization at bosses or Ph.D. level, it is critical to comprehend the contrast between Computer science and Computer designing which can permit one to decide the right vocation way for themselves thinking about the cover between the two fields.what is the difference between computer science and computer engineering. 

What is Computer Science? 

Software engineering as an investigation abroad profession decision is a field gotten from applied science and is significantly more programming focused when contrasted with PC designing. Under its umbrella, one can zero in on specializations, for example, figuring hypothesis, calculations, programming dialects, working frameworks, PC engineering, systems administration and network protection just as the man-made reasoning. A PC researcher isn't relied upon to be knowledgeable with PC equipment yet have a profound comprehension of the standards and essentials of processing. Most colleges have a committed software engineering division with an attention on various territories – overall, they have the most serious application measure out of the apparent multitude of offices. This track offers the best opportunity regarding picking your specialization and as referenced by the University of Waterloo, is the most un-organized among related courses. 

What is Computer Engineering? 

PC Engineering as an investigation abroad vocation decision can be seen as coming from a blend of software engineering and electrical designing. It offers understudies to examine and investigate both the product and equipment parts of a registering framework – it intends to build up a comprehension from the two points of view and permits the understudies to add to both equipment and programming advancement just as their reconciliation. Key fields of studies incorporate implanted framework plan, hardware circuit plan, PC engineering, and plan notwithstanding themes from software engineering. In the Indian training framework, a college degree in Electronics and Communication/Electrical and Electronics can cover the majority of the fields referenced previously. This branch is offered by the Electrical and Computer Engineering division inside the Engineering school at colleges, for example, the Georgia Institute of Technology, the University of Illinois at Urbana–Champaign among others. 

Software engineering and Computer designing at UC Berkley- 

There are a few colleges that don't have separate offices for software engineering and designing, for example, UC Berkley. Under their Engineering school, they have the branch of Electrical Engineering and Computer Science which is liable for the fields related with both software engineering just as designing. Understudies need to apply to either for electrical designing (EECS) or software engineering (CS) track degrees yet it offers more prominent adaptability to the understudies to attempt multidisciplinary courses just as exploration. 

Another fascinating course identified with the field of figuring is programming designing. This permits you to zero in on various parts of programming improvement, creation, and upkeep which are likewise the essential duties of a product engineer in the business. This degree is generally offered by either the Computer Science or Electrical and Computer Engineering office at times. In spite of the fact that it offers lesser adaptability when contrasted with a degree in Computer Science, it offers energizing and remunerating vocations in the business.

Tuesday, October 13, 2020

contrast between software engineering and PC designing

 An inquiry I have gotten a ton recently has to do with the distinctions and likenesses between Computer Science and Computer Engineering. At the danger of distorting the distinctions, I have composed this manual for clarify how Computer Science and Computer Engineering are indistinguishable and how they vary.Difference between computer science and computer engineering

What Is Computer Engineering? 

PC Engineering is the marriage of Computer Science and Electrical Engineering . It centers around processing in all structures, from microchips to implanted figuring gadgets to PC and work area frameworks to supercomputers. In that capacity, it concerns the electrical designing contemplations of how microchips work, are planned, and are advanced; how information is conveyed among electronic parts; how incorporated frameworks of electronic segments are planned and how they work to handle guidelines communicated in programming; and how programming is composed, aggregated, and upgraded for explicit equipment stages. In this manner, PC engineers are electrical architects who have some expertise in programming plan, equipment plan, or frameworks plan that incorporates both. 

What is Computer Science? 

Software engineering is the investigation of how information and directions are handled, put away, imparted by processing gadgets. An advanced relative of Applied Mathematics and Electrical Engineering, Computer Science manages calculations for handling information, the emblematic portrayal of information and directions, the plan of guidance dialects for preparing information, methods for composing programming that cycle information on an assortment of processing stages, conventions for imparting information dependably and safely across networks, the association of information in information bases of different sorts and scales, the imitating of human insight and learning through PC calculations, factual displaying of information in enormous data sets to help deduction of patterns, and procedures for ensuring the substance and credibility of information. In this way, PC researchers are researchers and mathematicians who create approaches to measure, decipher, store, convey, and secure information. 

Cover Between the Areas 

Since both Computer Engineers and Computer Scientists at last work with information and endeavor eventually to tackle importance from it, there is critical cover in coursework that understudies in the two fields take, just as in the professions they seek after. This doesn't limit the unmistakable idea of the two orders. It basically recognizes the way that these sorts of PC experts discover setting and reason in comparative sorts of tasks or in various parts of similar sorts of ventures. 

A Potentially Oversimplifying yet Useful Distinction 

Both Computer Engineers and Computer Scientists advance registering innovation and take care of issues utilizing processing innovation. In the event that we think about figuring innovation as far as scale, Computer Engineers work frequently at the minute and plainly visible closures of the range, while Computer Scientists work in the center pieces of the range. All the more explicitly, Computer Engineers manage the material science of semiconductor gadgets so they may plan equipment from the incorporated circuit level (little), just as with the coordination of equipment and programming advanced to run on it to acknowledge total, particular reason figuring frameworks (huge). PC Scientists compose the product, plan the information bases, devise the calculations, design the correspondences, and secure the information that are handled by the equipment to make the incorporated framework work.

Monday, October 12, 2020

How do I become an electrical supervisor?

Electric Supervisor

You can become an electrical leader through a combination of education, training, and experience in the field. Since electrical supervisors monitor the work of others, it is imperative that they have a good understanding of the work and the skills required to do that work. Other personality traits are also required, such as the ability to lead others, good communication skills, and time management. Licensing is required in certain states, but this can vary from one location to another.

You must have a high school diploma to become an electric leader. In addition, becoming an electrician requires an apprenticeship program that usually lasts four years. Once the apprenticeship is complete, on-the-job training will be required as well as some supervisory experience. An electrical engineer can also become an electrical supervisor who requires at least a four-year bachelor's degree in electrical engineering. The Graduate School of Electrical Engineering provides an advantage in recruiting for these positions, but this is not always necessary.

The skills required to become an electrical supervisor include an extensive knowledge of tools and equipment used by electricians, as well as an understanding of electrical codes and standards. An electrical supervisor needs to know how to do the job independently if problems arise with controlled people. Experience solves this problem for most electrical supervisors, as it is necessary to work in the field for a number of years before moving to a supervisory role in an organization. Continuing education is also important throughout your career to stay up to date with the latest techniques and equipment to get the job done electrical and computer engineering salary.

Good communication skills are a requirement to become an electric leader. The supervisor should be able to communicate with staff and management both verbally and in writing. Leadership skills, including creating a positive atmosphere, motivating others, and dealing with conflict, are also extremely useful skills. The desire to be in a leadership role is also important because the job carries more responsibility than other field positions.

In some states, licensing is required in order to become an electrical observer. Individuals can check with the professional licensing office of their area government to find out the required qualifications. Organizations often help individuals obtain a license so that they can operate legally within the company. Licensing often includes a certain number of hours of work, as well as educational compliance.

Saturday, October 10, 2020

Institute of Physics and Technology (FTI)

The Institute trains specialists in applied physics, informatics and information security for science and high-tech sectors of the economy. Graduates will be able to create new mathematical methods and technologies for computer processing of information.

The PTI has 4 areas of training, of which 2 are directly related to IT: whats computer science

"Applied math"

Graduates will learn to create:

mathematical methods, models and technologies of information processes for computer processing of information,

software and hardware-software means of information protection,

mathematical methods for analyzing information in the Internet space,

automated data processing systems,

models and technologies of cryptographic information protection, authentication, digital signature, cryptographic protocols,

cryptographic tools in banking, commercial and other areas.

The direction of training includes 3 specializations:

Mathematical methods of computer modeling - development of computer models for forecasting and decision-making in industry, economics, ecology; creation of fundamentally new methods and technologies for processing and transmitting information.

Mathematical methods of cyber security - the development of mathematical methods, models and technologies for creating integrated protection systems that combine software, mathematical and hardware tools.

Mathematical methods of cryptology - development of cryptographic methods of information protection and innovative technologies for organizing cryptographic information protection systems.

"Security of information and communication systems"

Graduates will learn to create:

information protection and security policy in computer systems and networks,

protection of verbal information and information in telecommunication networks and communication systems,

integrated information security systems based on software and hardware-based information security,

software and hardware methods of information protection,

cyber security support systems.

Andrey, FTI:

“ Applied mathematics  is a more scientific direction. A lot of physics, mathematics, fundamental knowledge of IT (multimedia technologies, structural methods of pattern recognition, quantum informatics). In addition, we learn C ++, Java, OOP, web programming, system programming, cloud computing and GRID, operating systems, databases, networks, quality assurance, software systems design.

ICS security is more of an engineering specialty, but there are many fundamental subjects as well.

Oleg, FTI:

“ There is a huge amount of mathematics in applied mathematics , but physics is also enough - everything from mechanics to quantum informatics will be explained here. Plus there are several semesters of programming, and in general it is often used for other disciplines.

On safety  - physics is the least, mathematics is also much less than on PM. Informatics is about the same. It is much easier to study than in applied mathematics.

Phystech differs from all other faculties primarily in the level of knowledge (one of the first places in the KPI). But it's worth enrolling only if you're really willing to learn. High dropout rate in junior courses. "

Nikita, FTI:

“Phystech is an institute within the KPI, which was founded by the SBU, like they urgently needed a bunch of cool specialists in mathematics, physics and IT there. For several years, MIPT was almost the coolest Math Faculty in Ukraine, but then people got here, who, to put it mildly, do not like it. It's a shame what to say.

There are mainly three subjects taught here: programming, mathematics and physics. If you study at the Physicotechnical Institute, you will learn how to study)))

Then you can work everywhere. As conceived by the founders, graduates of physics and technology were supposed to go to information protection in IT departments, but with the same success it is possible to develop websites or program system products.

PTI is a special level of load. A striking example - there was a guy in our first year who did not pull at all. Moved to FPM - now the coolest in their group. I think the idea is clear.

The excellent teaching staff is worth noting. If you love to study, and the teachers see it, then they will treat you accordingly. The material is given very well, they also ask strongly, but this is for the best. There are, of course, a couple “in the family not without its black sheep”, but what faculty is without such? "

Thursday, October 1, 2020

A software engineer combines many functions, and therefore, the curriculum includes more than just mathematics and development.

What happens if you survive everything

Jobs for a software engineer position are rare, but this is a matter of terminology. Software engineers can choose any direction in IT that they like, they can engage in management, programming, design, and both, or go to computer science.

Our graduates become powerful project leaders who not only grew out of coders, but understand all stages of project development computer hardware engineering.

Ekaterina Beresneva and Maria Gordenko remained in science. For example, Maria is looking for a method to solve the Chinese postman's problem. The goal of the task is to go through all the streets in the city along the shortest route so as not to go through the same place several times. Such calculations, for example, would be useful to snowblowers so that they do not clean the streets that have already been cleared, but rather go to the untouched rubble. But so far, despite the fact that computers calculate the route, their solution deviates from the optimal one by 10-20 percent. 

“We are trying to close this gap, and we partially succeeded,” Maria clarified. In her free time from science and teaching, she works as an analyst in Moscow City. For the first time she tried to work in this capacity during her training practice at S7, and she liked it.

“A software engineer is also an analyst,” explains Maria. "But, as a rule, graduates become programmers with different competencies, which is especially good for Agile teams, where each must have the competencies of the other." 

Graduates work in very different fields. Some are engaged in complex programming with heavy mathematics, others have become project managers, someone is a system architect, someone is engaged in development in the backend, someone is in the front-end - people who know and can, if not everything, then a lot, are needed in every big project.

In 2018, the curriculum received accreditation from ABET , the world's most respected professional organization for evaluating the quality of programs in engineering and computer technology. So, graduates began to enjoy even greater benefits for international companies. A diploma approved by an organization that collects the best educational programs in computer and engineering technologies is a quality mark for training a young specialist that does not require additional confirmation. 

“Although I remained to teach, they are trying to lure me into commercial projects,” says Ekaterina. - And not for the initial Junior position, but immediately on the Middle, and this is immediately a salary of about two hundred thousand rubles a month. After graduation, you can go anywhere. You can even come to the company for a Junior position in your third year, and they will take you. And not because you have a HSE crust, but because by the third year you already know how everything works, and you know how to work yourself. The main thing is to get this knowledge and not shirk from the process. "