How to migrate from CentOS 8 to AlmaLinux
CentOS 8 Linux will be not supported by the end of the year 2021 and if you want to migrate it to AlmaLinux 8, follow the instructions below. There is …
How to migrate from CentOS 8 to AlmaLinux Read MoreAuthor: Magesh Maruthamuthu
How to add secondary IP address on RHEL/CentOS 8
Sometimes, you might have to assign a secondary IP address to a single Network Interface Card (NIC) on RHEL 8 and CentOS 8 systems. There are numerous reasons for this …
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How to configure static IP address in CentOS 8 / RHEL 8
Dynamic IP can be used in home system or Local Area Network (LAN) because they are only used internally. It can be assigned through DHCP (Dynamic Network Configuration Protocol) by …
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How to recover deleted Logical volume (LV) in LVM
If you have accidentally removed a logical volume (LV) or LVM meta data got corrupted or damaged in some way, it can be easily restored without losing the data using …
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How to save a command output to a file in Linux
We all know that by default every command output is displayed on the terminal after execution. The output of a command can be used as a variable or input to …
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Linux tee command with examples
The tee command reads standard input (stdin) and writes the result to standard output (stdout) and one or more files simultaneously. It basically displays the command output on the terminal …
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How to modify an existing systemd unit file
In this example, we will show how to modify an existing unit file. There are three main directories where unit files are stored on the system but the ‘/etc/systemd/system/’ directory …
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How to enable Red Hat Subscription on RHEL 8/7
Red Hat subscription model is a software support model that allows Red Hat to manage their customers. It allows customers to download Red Hat tested and certified enterprise software packages, …
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How to create a systemd service unit file in Linux
systemd is a system and service manager for Linux operating systems. When you install any application from a repository, it will drop a service unit file into the systemd directory …
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How to manage systemd units with systemctl
In this article, we’ll show you how to manage the systemd units using systemctl command. What’s systemd? systemd is a system and service manager for modern Linux operating systems, which …
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