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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
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
    • RHCE Exam
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    • LFCE Exam
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  • About
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    • Donate
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Ravi Saive

I'm Ravi Saive, an award-winning entrepreneur and founder of several successful 5-figure online businesses, including TecMint.com, GeeksMint.com, UbuntuMint.com, and the premium learning hub Pro.Tecmint.com.
Clear RAM Cache and Swap in Linux

How to Clear RAM Cache, Buffers, and Swap in Linux Without Reboot

Like any other operating system, GNU/Linux has implemented memory management efficiently and even more than that. However, if any process

mkcert: Make Locally-Trusted Development Certificates on Linux

mkcert: Make Locally-Trusted Development Certificates on Linux

If you’ve ever tried to set up HTTPS locally for development, you’ve probably run into a wall of complexity. Generating

Use sed and awk to Modify Config Files in Linux

How to Use sed and awk to Modify Config Files in Linux

Linux configuration files are often plain text, which makes them easily editable using command-line tools. Among the most powerful of

SSH Two Factor Google Authentication

How to Setup Two-Factor Authentication For SSH In Linux

By default, SSH already uses secure data communication between remote machines, but if you want to add an extra security

Linux Services and Daemons

How Linux Services and Daemons Work (and How to Control Them)

When starting out with Linux, you may encounter the terms “services” and “daemons” quite frequently, which refer to background processes

Master Linux in Just 7 Days

Master Linux in Just 7 Days – Even If You’re a Complete Beginner!

After the success of our RHCSA / RHCE and LFCS / LFCE certification books, we are now happy to present

Linux interview questions with answers

10 Core Linux Interview Questions and Answers – Part 4

Thanks again for the amazing response to Parts 1, 2, and 3 of our Linux Interview Questions series here on

Lesser Known Useful Linux Commands

10 Little-Known Linux Commands You Probably Missed – Part 5

After four highly appreciated and successful articles in our series on Lesser-Known Linux Commands, we’re excited to bring you the

Linux Interview Questions and Answers

10 Linux Interview Questions with Examples – Part 3

Welcome back to our Linux Interview Questions series on Tecmint! We’re truly grateful for the encouraging feedback on the first

Automate Linux Backups with rsync and cron

Set Up Incremental Backups with rsync and cron on Linux

Backups are like insurance; you don’t need them every day, but when disaster strikes, such as accidental file deletion, a

Automatically Block Suspicious IPs with iptables and Fail2Ban on Linux

How to Create a Simple IP Blocker Script Using iptables and Fail2Ban

Today, I’m going to show you a simple but effective way to automatically block suspicious IPs using a small script

Sysadmin Bash Scripts

5 Bash Scripts I Use Daily as a Linux SysAdmin

If you’ve spent any time managing Linux systems, you already know how repetitive and time-consuming some tasks can be. Whether

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Linux Commands and Tools

How to List Files Installed From a RPM or DEB Package in Linux

How to Count Word Occurrences in a Text File

10 Most Dangerous Commands – You Should Never Execute on Linux

How to Execute MySQL Queries via Linux Terminal

Understand Linux Shell and Basic Shell Scripting Tips – Part I

How to Create a Password Protected ZIP File in Linux

Linux Server Monitoring Tools

httpstat – A Curl Statistics Tool to Check Website Performance

CBM – Shows Network Bandwidth in Ubuntu

4 Ways to Watch or Monitor Log Files in Real Time

Glances – An Advanced Real Time System Monitoring Tool for Linux

How to Install Nagios XI on Ubuntu 22.04

Install OpenNMS Network Monitoring Tool in CentOS/RHEL 7

Learn Linux Tricks & Tips

How to Enable, Disable and Install Yum Plug-ins

How to Find MySQL, PHP and Apache Configuration Files

6 Best CLI Tools to Search Plain-Text Data Using Regular Expressions

12 Useful Commands For Filtering Text for Effective File Operations in Linux

How to Backup or Clone Linux Partitions Using ‘cat’ Command

How to Download and Extract Tar Files with One Command

Best Linux Tools

19 Best Open Source WYSIWYG HTML Editors in 2023

15 Best Free and Open Source Software (FOSS) Programs for Linux

60 Must-Have Free and Open-Source Linux Tools for 2026

3 Best Document Collaboration Platforms for Linux in 2024

10 Best Google Drive Clients for Linux in 2023

5 GUI Tools to Free Up Space on Debian, Ubuntu and Linux Mint

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