Linux Howto’s for System Administrations
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Linux comes with three commands for developers, sysadmins and users to set up a hierarchy of applications, typically displayed as a menu. In other words, these commands allow third-party software …
Most of us use love and use the jq command. It works on Linux or Unix-like systems to extract data from JSON documents. Recently I found htmlq, which is like …
Did you know? You can turn off the banner in Linux or Unix using a particular file. When you log in using ssh or other methods, you will find tons …
Typically we use the lscpu command or /proc/cpuinfo command on Linux to check CPU information. I recently found another simplistic yet fancier CPU architecture fetching tool inspired by neofetch, pfetch …
The du (disk usage) command summarizes directory trees’ sizes, including all of their contents and individual files’ sizes on Linux and Unix-like systems such as macOS. It helps track down …
The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 10 (“buster”). You must upgrade to get corrections for security problem as this version made …
Even if you do not use the curl command daily, the chances are high that you are still using curl and don’t know. IoT and tons of other services on …
We can easily add a key file to LUKS disk encryption on Linux when running the cryptsetup command. A key file is used as the passphrase to unlock an encrypted …
Any logged-in unprivileged user can abuse an old bug in sudo to gain root privileges. It was rated as an important security issue for Linux and Unix-like operating systems. The …
On Linux, we encrypt our partitions and entire disk using Linux Unified Key Setup-on-disk-format (LUKS) for security and privacy reasons. We unlock LUKS protected disk by providing a passphrase at …