How to Get Root and User SSH Login Email Alerts
Whenever we install, configure, and secure Linux servers in a production environment, it’s crucial to keep track of what is
Mutt – A Command Line Email Client to Send Mails from Terminal
As a system administrator, there are occasions when we need to send emails to users or others directly from the
networkctl – Query the Status of Network Links in Linux
networkctl is a command-line utility for viewing a summary of network devices and their connection status. It allows you to
Sysadmins & DevOps: 20 Must-Know Advanced Linux Commands
Thank you for all the likes, kind words, and support you’ve given us in the first two parts of our
How to Migrate CentOS 7 to Rocky Linux 9
CentOS 7 stopped getting updates on June 30, 2024, which means it doesn’t get security updates or bug fixes from
How to Add Comments in Your Bash Scripts
When you write a Bash script, sometimes you want to add comments to explain what certain parts of the script
Neofetch Alternatives: 3 Best Linux System Information Tools
Neofetch, the popular command-line tool for displaying system information in a visually appealing ASCII format, is no longer being actively
How to Safely Eject a USB Drive in Linux
When using a USB drive on a Linux system, it’s important to properly unmount and remove the drive to prevent
How to Upgrade Ubuntu 22.04 LTS to 24.04 LTS
The stable version of Ubuntu 24.04 LTS (code-named Noble Numbat) is released on April 25th 2024, if you are curious
How to Make File and Directory Undeletable, Even By Root in Linux
On Unix-like operating systems including Linux, root is the account or user name that by default can modify all directories
How to Enable or Disable SELinux Booleans for Apache
SELinux, or Security-Enhanced Linux, is a security mechanism for mandatory access control (MAC) implemented in the Linux kernel to add
How to Set Priority of a Running Process in Linux
In this article, we’ll briefly explain the kernel scheduler (also known as the process scheduler), and process priority, which are