News Category: System Administration

3 Aging IT Specialties that Just Won't Retire

If your organization has a point-of-sale system running on technology that is older than you care to admit in public, well, you’re not alone. Baby Boomers are retiring and taking with them the skills to run legacy technologies upon which organizations still (amazingly) rely – from AS/400 wrangling...
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How (and Why) to Get Ready for 802.11ax

802.11ax will dominate the Wi-Fi-infrastructure landscape. Here's why--and what you need to do to get ready for 802.11ax. With the steady advances in wireless LAN (WLAN) technologies during the past two decades--remember, the first 802.11 standard of 1997 specified just 1 and 2 Mbps throughput--it’...
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How to Bring Good Fortune to Your Linux Terminal

It's December, and if you haven't found a tech advent calendar that sparks your fancy yet, well, maybe this one will do the trick. Every day, from now to the 24th, we're bringing you a different Linux command-line toy. What's a command-line toy, you ask? It could be a game or any simple diversion...
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What's New in Bash Parameter Expansion

The bash man page is close to 40K words. It's not quite War and Peace, but it could hold its own in a rack of cheap novels. Given the size of bash's documentation, missing a useful feature is easy to do when looking through the man page. For that reason, as well as to look for new features,...
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Mass Router Hack Exposes Millions of Devices to Potent NSA Exploit

More than 45,000 Internet routers have been compromised by a newly discovered campaign that’s designed to open networks to attacks by EternalBlue, the potent exploit that was developed by, and then stolen from, the National Security Agency and leaked to the Internet at large, researchers said...
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Linux Fu: Controlling the Terminal

The most fundamental question you have to ask is what kind of terminal are you talking to. The answer is in the $TERM environment variable and if you ask your shell to print that variable, you’ll see what it thinks you are using: echo $TERM. For example, a common type is vt100 or linux console....
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Linux Foundation Offers Open Source Certification Exams from Anywhere

As the use of open-source software continues to grow for businesses of all sizes, a shortage of qualified IT administrators and other staff members who are trained, experienced and certified in open-source technologies remains a serious challenge for IT departments and the channel. To help bridge...
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Machine Learning for Operations

Managing infrastructure is a complex problem with a massive amount of signals and many actions that can be taken in response; that’s the classic definition of a situation where machine learning can help.  IT and operations is a natural home for machine learning and data science. According to Vivek...
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Systems Engineer Salary Rises Even Higher with Linux Experience

System administration is a very reactive role, with sysadmins constantly monitoring networks for issues. Systems engineers, on the other hand, can build a system that anticipates users’ needs (and potential problems). In certain cases, they must integrate existing technology stacks (e.g., following...
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What Operations Professionals Need to Know to Fuel Career Advancement

O’Reilly conducted a recent survey[1] of operations professionals, and the results offer useful information and insights to empower your career planning.  Scripting languages are the most popular programming languages among respondents, with Bash being the most used (66% of respondents), followed...
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