Unix as a Second Language
Sitting in the Linux cockpit
Linux Cockpit is a web-based interface that provides graphical administrative access to a system. Here's a look at what it allows you to control.
02/13/19
Red Hat announces container flaw CVE-2019-5736
A flaw in runC and Docker may allow access to underlying file systems when SELinux is not enabled.
02/11/19
How much memory is installed and being used on your Linux systems?
Several commands report on how much memory is installed and being used on Linux systems. You can be deluged with details or get a quick and easy answer, depending on the command you use.
02/07/19
How to monitor activity on your Linux server
The watch, top, and ac commands provide some effective ways to oversee what is happening on your Linux servers.
01/23/19
Linux systems: Scraping up information about apt updates
Where can you find information on Linux updates performed with apt commands? Check the /var/log/apt directory.
01/18/19
Zipping files on Linux: the many variations and how to use them
There are quite a few interesting things that you can do with "zip" commands on Linux other than compress and uncompress files. Here are some other zip options and how they can help.
01/16/19
First step to becoming a cybersecurity pro: Linux
If you're gearing up to be a cybersecurity pro, you must have Linux skills. Linux Basics for Hackers will quickly get you up to speed.
01/12/19
How ASLR protects Linux systems from buffer overflow attacks
ASLR is a memory exploitation mitigation technique used on both Linux and Windows systems. Learn how to tell if it's running, enable/disable it, and get a view of how it works.
01/08/19
Linux commands for measuring disk activity
Linux distributions provide quite a few useful commands for gauging disk activity. In this post, we'll look at some handy commands and useful options.
12/27/18
Open-source containers move toward high-performance computing
Thanks to the efforts of Sylabs, open-source containers are starting to focus on high-performance computing—providing new ways of working for enterprise IT organizations.
12/18/18
Working with tarballs on Linux
Learn how to create tarballs on Linux systems to back up and manage group files on Linux system.
12/17/18
How Java has stood the test of time
Java has been one of the top two programming languages for the past 10 years. How has it stood the test of time? Good design and continuous innovation have a lot to do with it.
12/11/18
Using the Linux ss command to examine network and socket connections
The Linux ss command replaces the older netstat and makes a lot of information about network connections available for you to easily examine.
12/10/18
Linux will seem to be everywhere in 2019
Faster, more versatile and secure, Linux gets better every year. Let's take a look at some of the highlights expected in 2019.
11/29/18
Selectively deploying your superpowers on Linux
The sudo command allows privileged users to run all or selected commands as root, but understanding how it works and doesn't work is a big help.
11/26/18
RHEL 8 Beta arrives with application streams and more
In the four years since the introduction of Red Hat Enterprise Linux (RHEL) 7, the IT world has evolved. RHEL 8 Beta brings innovation and dozens of new features.
11/15/18
The future of Red Hat: How will IBM's acquisition affect the company?
IBM's purchase of Red Hat may be a good strategic fit for IBM, but the payback is anything but guaranteed.
11/08/18
Latest supercomputer runs Red Hat Enterprise Linux (RHEL)
Sierra -- the newest supercomputer and the second-fastest in the world -- runs Red Hat Enterprise Linux (RHEL), which isn't surprising given the role Linux plays in supercomputing in general.
11/05/18
IBM-Red Hat deal: What the companies say
IBM says Red Hat will continue to be a contributor to the open-source community and that Red Hat will continue its commitments with current partners even after IBM buys the company for 34 billion in the second half of 2019.
10/29/18
Ubuntu's Cosmic Cuttlefish brings performance improvements and more
The latest and greatest release of Canonical's Ubuntu, nicknamed "Cosmic Cuttlefish" became available just recently. Images are available for all major public clouds. In addition, it provides improved gaming performance, a huge array...
10/27/18
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