Operating Systems

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.

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 other than compress and uncompress files. Here are some other zip options and how they can help.

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.

How ASLR protects Linux systems from buffer overflow attacks

ASLR (Address Space Layout Randomization) 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.

Linux commands for measuring disk activity

Linux distributions provide quite a few useful commands for gauging disk activity. Here's a look at a few of them.

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.

Working with tarballs on Linux

Tarballs provide a versatile way to back up and manage groups of files on Linux systems. Follow these tips to learn how to create them, as well as extract and remove individual files from them.

How Java has stood the test of time

Using the Linux ss command to examine network and socket connections

Want to know more about how your system is communicating? Try the Linux ss command. It replaces the older netstat and makes a lot of information about network connections available for you to easily examine.

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.