This tutorial focuses on setting up and configuring a SSH server on a Debian 10 minimal server SSH, for Secure Shell, is a network protocol that is used in order…
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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…
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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…
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On Linux, as a system administrator, you often want to have a complete list of all the users and all the groups on your host. It is quite crucial for…
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This tutorial focuses on how to find files on Linux using the find and the locate command. As a system administrator, it is a very common task to look for…