As 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 explains how to install Apache on CentOS 8 and how to configure virtual hosts easily From all the web servers available, the Apache Web Server is probably one…
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This tutorial focuses on the ways to add users and delete users on CentOS 8 operating systems. When starting with a fresh CentOS 8 instance, adding and deleting users is…
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This tutorial focuses on how to create swap space on CentOS 8 using a swap file or a swap partition. On CentOS 8, it is quite common to run out…
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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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In today’s tutorial, we are going to focus on adding a user to sudoers on the most recent CentOS distribution : CentOS 8. The sudo command is one of the…
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This tutorial provides step-by-step instructions about how to install CentOS 8 with a GNOME desktop. As announced on the CentOS official website, CentOS has been released on the 24th of…
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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…