Linux

Red Hat unveils image mode for its Linux distro

Companies rarely use an out-of-the-box operating system, Breard says. Instead, they build a standard operating environment by layering in hundreds,…

Red Hat extends Lightspeed generative AI tool to OpenShift and Enterprise Linux

Red Hat didn’t create the core foundation model, however. Take, for example, Ansible Lightspeed, which became generally available last November.…

The logic of && and || on Linux

$ echo hello && echo goodbye hello goodbye If, on the other hand, the command on the left side fails,…

Using the apropos command on Linux

# man -k updatedb updatedb.conf (5) - a configuration file for updatedb(8) updatedb (8) - update a database for plocate …

Shredding files on Linux with the shred command

$ file guitar* guitar.png: data guitar.png-save: JPEG image data, JFIF standard 1.01, resolution (DPI), density 72x72, segment length 16, Exif…

Who’s logging into your Linux servers?

To see how long currently logged in users have been logged in, you can use the last command. $ last…

Working with directories on Linux

$ grep umask /etc/bashrc # Set default umask for non-login shell only if it is set to 0 [ `umask`…