This tutorial focuses on user administration on Linux hosts, managing users and groups. As a system administrator, you are manipulating users and groups all the time. You may be required…
Tag:
linux
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The screen command is a very common command used on Linux to launch and arrange multiple terminal shells within one single shell. Screen is most of the time used for…
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BasicsLinux System Administration
4 Ways to Transfer Files and Directories on Linux
by schknby schknAs a Linux system administrator, there are many different ways to transfer files, securely or not, between two different hosts. During your day job, you may be asked to perform…
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This tutorial gives details about what processes are, how they are used and how they can be managed on Linux. As a system administrator, you have probably interacted with processes…
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Linux System AdministrationSecurity
Single User Mode Secure Boot on Ubuntu & Debian
by schknby schknOn Ubuntu and Debian hosts, the single user mode, also referred as the rescue mode, is used to perform critical operations. The single-user mode can be used to reset the…
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This tutorial details access control lists on Linux, what they are used for and how to manage them. As a system administrator, you are probably spending quite some time configuring…
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On Linux, it is essential to have some basics when it comes to changing the timezone. The timezone is a parameter set at the installation stage and that determines the…
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The source command on Linux is a pretty popular function run by system administrators daily. But what is the function of the source command? Used to refresh the current shell…
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This is the set of exercises following the article on Linux Permissions. If you carefully read the article and understood the principles detailed inside, you should be able to answer…