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Tecmint: Linux Howtos, Tutorials & Guides
  • Learn Linux
  • Linux Distros
    • Linux Distros for Beginners
    • Linux Distros for Experts
    • New Linux Distros
    • Linux Server Distros
    • Secure Linux Distros
    • CentOS Alternatives
    • RedHat Distributions
    • Debian Distributions
    • Ubuntu Distributions
    • Arch Linux Distros
    • Rolling Linux Distros
    • KDE Linux Distros
    • Linux Distros for Old PC
    • Linux Distros for Kids
    • Linux Distributions for Students
    • Linux Distros for Windows
  • Commands
    • A – Z Linux Commands
    • 100+ Linux Commands
  • Tools
  • Pro Courses
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    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
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  • About
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Aaron Kili

Aaron Kili is a Linux and F.O.S.S enthusiast, an upcoming Linux SysAdmin, web developer, and currently a content creator for TecMint who loves working with computers and strongly believes in sharing knowledge.
Clear Linux Commands History

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

Create Password Zip File in Linux

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

Check MySQL Database Size in Linux

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

Test Local Websites on Internet

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

Run Multiple Different PHP Versions in CentOS

How to Run Multiple Websites with Different PHP Versions in Nginx

Sometimes PHP developers want to build and run different websites/applications using different versions of PHP on the same web server.

Grep Find a String in Files

How to Find a Specific String or Word in Files and Directories

Do you want to find all files that contain a particular word or string of text on your entire Linux

Run Multiple Commands on Multiple Linux

How to Run Multiple Commands on Multiple Linux Servers

If you are managing multiple Linux servers, and you want to run multiple commands on all the Linux servers, but

MySQL/MariaDB Security Best Practices

12 MySQL/MariaDB Security Best Practices for Linux

MySQL is the world’s most popular open source database system and MariaDB (a fork of MySQL) is the world’s fastest

Linux File Integrity Checker

How to Check Integrity of File and Directory Using “AIDE” in Linux

In our mega guide to hardening and securing CentOS 7, under the section “protect system internally”, one of the useful

Script to Send Alert When Memory Low

A Shell Script to Send Email Alert When Memory Gets Low

A powerful aspect of Unix/Linux shell programs such as bash, is their amazing support for common programming constructs that enable

Speed Up SSH Connections in Linux

4 Ways to Speed Up SSH Connections in Linux

SSH is the most popular and secure method for managing Linux servers remotely. One of the challenges with remote server

Basic HTTP Authentication in Nginx

How to Configure Basic HTTP Authentication in Nginx

Basic HTTP authentication is a security mechanism to restrict access to your website/application or some parts of it by setting

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Linux Commands and Tools

How to Use GNU bc (Basic Calculator) in Linux

Stop Using Only cd: Learn pushd, popd, and zoxide in Linux

Let Sudo Insult You When You Enter Incorrect Password

10 Interesting Linux Command Line Tricks and Tips Worth Knowing

How To Assign Output of a Linux Command to a Variable

Ntfy – Get Desktop or Phone Alerts When Long Running Command Finishes

Linux Server Monitoring Tools

How to Install Cacti on Rocky Linux and AlmaLinux

Nmon – Monitor Linux System and Network Performance

whowatch – Monitor Linux Users and Processes in Real Time

btop: A Modern and Resourceful System Monitor

How to Setup Rsyslog Client to Send Logs to Rsyslog Server in CentOS 7

screenFetch – An Ultimate System Information Generator for Linux

Learn Linux Tricks & Tips

3 Ways to Extract and Copy Files from ISO Image in Linux

How to Run Linux Commands in Background and Detach in Terminal

How to Disable SELinux Temporarily or Permanently

Progress – Show Percentage of Copied Data for (cp, mv, dd, tar) Commands

How to Find Linux Server Geographic Location in Terminal

How to Count Number of Files and Subdirectories inside a Given Directory

Best Linux Tools

Top 5 Open-Source OCR Tools for Linux in 2025

20 Useful Security Features and Tools for Linux Admins

The 27 Best IDEs and Code Editors for Linux

7 Best Calendar Apps for Linux Desktop in 2024

Top Cross-Platform Apps for Linux, Windows, and Mac in 2025

Top 5 Open-Source Enterprise Software for Linux in 2024

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