Network File Systems, also shortened NFS, are file systems that can be accessed over the network. Compared to filesystems that may be local to your machine, network file systems are…
linux system administration
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If you have been working with Linux systems for quite some time, you already know how important it is to keep your filesystem structured. In some cases, you may need…
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This tutorial focuses on finding text in files using the grep command and regular expressions. When working on a Linux system, finding text in files is a very common task…
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This tutorial discusses the ways to check disk space on Linux using the command line or graphical tools. As a system administrator, you always want to make sure that you…
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BasicsLinux System Administration
How To Set and Unset Environment Variables on Linux
by schknby schknOn Linux, knowing how to set and unset environment variables is essential to manage your hosts. Environment variables are a set of key value pairs stored on your Linux and…
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This tutorial focuses on the techniques to set the date and time on Linux using timedatectl, NTP or date. As a system administrator, you may be asked to set the…
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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…
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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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This tutorial focuses on the best Linux books that you should read to become a professional system administrator. First released in September 1991, the Linux kernel was designed with home…
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This is the set of exercises following the article on Linux Processes Explained. If you carefully read the article and understood the principles detailed inside, you should be able to…