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The 10 Best Linux Books To Read in 2019
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 PCs in mind. Since then, Linux has become a go-to operating system for much larger platforms, such as servers, supercomputers, and cloud computing, as well […]
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30 Linux Processes Exercises For Sysadmins
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 answer most of the questions. Should you find any errors or imprecisions, feel free to leave a comment. Good luck! Processes Basics Question 1 : […]
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30 Linux Permissions Exercises for Sysadmins
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 most of the questions. Should you find any errors or imprecisions, feel free to leave a comment. Good luck! Linux Permissions Basics Question 1 : […]
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Access Control Lists on Linux Explained
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 permissions for user and groups on your system. File permissions are already quite handy in order to give read, write or execute permissions to directories […]
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Cron Jobs and Crontab on Linux Explained
This tutorial is a complete guide on understanding cron on Linux as well as the role of the crontab file. As a system administrator, it is very likely that you spend a lot of time doing recurring tasks on your system. Luckily for you, there is a way to automate tasks on Linux systems : […]
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Input Output Redirection on Linux Explained
For a system administrator, it is very common to perform input or output redirection during its daily work. Input and output redirection is a very powerful tool, allowing you to connect multiple commands together as well as synthetizing the output of multiple commands. Input / output redirection is a core concept of Unix based systems […]
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Understanding Hard and Soft Links on Linux
In our previous article about file permissions, we had a quick discussion on the different file types that may exist on a Linux system. Standard files, directories, links, devices, sockets, Linux systems offer a wide variety of different file types. Today, we are focusing on links, and more specifically on hard and soft links. If […]