Tips and Tricks | GoLinuxCloud

5 practical examples to list running processes in Linux

How to list processes by user and name in Linux? How to check if process is running by pid? How to check process status? which command is used to kill a process? In this tutorial ...

10+ practical examples to create symbolic link in Linux

In this tutorial we will learn everything about symbolic links in Linux. I will try to be as descriptive as possible so even a newbie can easily understand the concept of symbolic links. A symbolic ...

How to reject mail for unknown users in postfix (local_recipient_maps)

In this tutorial I will cover below topics How to deliver mails only to valid users on localhost How to reject mail for unknown users on localhost with Postfix How to reject unknown local recipients ...

How to restrict IP Address to use postfix smtp relay

In this tutorial we will cover below questions: How can I restrict my postfix relay server to be used by only certain IP Address How to restrict relay with postfix to certain IP Network How ...

3 easy steps to configure gmail smtp relay with postfix

In this tutorial we will configure postfix to use third party GMAIL SMTP Relay server so that our Linux server will be able to send mail to external network using smtp.gmail.com What is SMTP ...

10 practical examples of tmux configuration with examples

By now if you have been reading this tutorial, you will realize that some of the Prefix key combinations with tmux are not user friendly. The end user will have to struggle some times to ...

Complete tutorial on tmux commands with examples from scratch

In this tutorial I will give a detailed overview on different tmux commands with examples and screenshots form my Linux server terminal. if you don't know this already tmux is an alternative to screen rpm, ...

3 simple & easy steps to install vlc player on CentOS 8

In this tutorial I will share step by step instruction to install vlc player in CentOS 8 Linux. VLC is one of the most used media player across different platforms. One of the reasons I ...