How to Execute a Command or Script at Reboot or Startup
Well known services on Linux can be added on boot without any problems. For example, if you want to add Apache Httpd service on boot, you can do this with the help of the...
Category: Linux
How to Manipulate an Ethernet Card Using the ethtool Command
Ethtool is used to view and modify network device driver parameters and hardware settings, especially for wired ethernet devices. You can change ethernet card parameters as required, including auto-negotiation, Speed, Duplex and Wake-on LAN....
Three Methods to Check Uptime of MySQL/MariaDB Database Server on Linux
We all know the purpose of the uptime command in Linux. This is used to check the uptime of the Linux system and how long the system runs without restarting. The Linux admin job...
Three Methods Boot CentOS/RHEL 7/8 Systems in Single User Mode
Single user mode, also referred to as maintenance mode, which allows a single super user to recover/repair system problems. Generally, these problems cannot be solved in a multi-user environment. The system can boot but...
Difference Between YUM and RPM
Package managers play a key role in the Linux system. It allows you to install, update, view, search and delete software packages to suit your needs. Each of the distributions has their own set...
How to Check the Available Network Interfaces, Associated IP Addresses, MAC Addresses, and Interface Speed on Linux
By default when you set up the server you will configure the primary network interface. This is part of the build work that everyone does. Sometimes you may need to configure an additional network...
How to Check Password Expiration Date for All Users on Linux
If you enable a password policy on Linux. The password must be changed before it expires, and you will be notified when you log in to the system. If you rarely use your account,...
Three Ways to Exclude/Hold/Prevent a Specific Package from an apt Upgrade
Sometimes you may accidentally update packages that are not updated due to some application dependency. This is always the case during the entire system update or automatic package upgrade process. If this happens, it...
Basic Vim Commands You Need to Know to Work in Vim Editor
If you are a system administrator or developer, you may need to edit a file while working on the Linux terminal. There are several file editors on Linux, and how to choose the right...
Ansible Playbooks Quick Start Guide with Examples
We have already written two articles about Ansible, this is the third article. If you are new to Ansible, I advise you to read the two topics below, which will teach you the basics...
