How to View Configuration Files Without Comments in Linux
Are you looking through an extremely lengthy configuration file, one with hundreds of lines of comments, but only want to
How to Send a Message to Logged Users in Linux Terminal
How can I send a messages to logged on users in a Linux server? If you are asking this question,
How to Find All Failed SSH login Attempts in Linux
Each attempt to login to SSH server is tracked and recorded into a log file by the rsyslog daemon in
How to Clear BASH Command Line History in Linux
The bash history keeps a record of all commands executed by a user on the Linux command line. This allows you
How to Disable SSH Root Login in Linux
The root account is often the most targeted account by crackers via SSH under Linux. An enabled SSH root account
How to Create a Password Protected ZIP File in Linux
ZIP is a very popular compression and file packaging utility for Unix-like operating systems as well as Windows. While perusing
How to Change Default MySQL/MariaDB Port in Linux
In this guide we’ll learn how to change the default port that MySQL/MariaDB database binds in CentOS 7 and Debian-based
How to Search DuckDuckGo from the Linux Terminal
Like Googler (Google Site Search from the command-line), ddgr is a command line utility that can be used to search
How to Set or Change Hostname in CentOS/RHEL 7/8
A computer hostname represents a unique name that gets assigned to a computer in a network in order to uniquely
How to Check MySQL Database Size in Linux
In this article, I will show you how to check the size of MySQL/MariaDB databases and tables via the MySQL
How to Test Local Websites or Apps on Internet Using Ngrok
Are you a website or mobile application developer, and want to expose your localhost server behind a NAT or firewall
How to Reset WordPress Admin Password via MySQL Command Prompt
Sometimes, a WordPress user, with one of the following capabilities, such as administrator, editor, author, contributor, or subscriber, forgets its