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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
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  • Pro Courses
    • Bash Scripting
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    • RHCE Certification
    • LFCS Certification
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  • About
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Security

SELinux and AppArmor Security Hardening Linux

Implementing Mandatory Access Control with SELinux or AppArmor in Linux

Note: This article is based on an older version of the LFCS. Please refer to the updated Linux Foundation Certified

Rootkit Hunter - Scans Linux Systems for Rootkits, backdoors and Local Exploits

How to Scan for Rootkits, backdoors and Exploits Using ‘Rootkit Hunter’ in Linux

Guys, if you are a regular reader of tecmint.com you will notice that this is our third article on security

Nginx Security Hardening Tips

The Ultimate Guide to Secure, Harden and Improve Performance of Nginx Web Server

Based on the wonderful things you have heard about Nginx, perhaps you decided to give it a try. You may

Block SSH and FTP Access Using IPtables/FirewallD

How to Block SSH and FTP Access to Specific IP and Network Range in Linux

Typically we all use SSH and FTP services often to access the remote servers and virtual private servers. As a

RHCSA Exam: SELinux Essentials and Control FileSystem Access

RHCSA Series: Mandatory Access Control Essentials with SELinux in RHEL 7 – Part 13

During this series we have explored in detail at least two access control methods: standard ugo/rwx permissions (Manage Users and

Configuring and Securing Apache and FTP Server

RHCSA Series: Installing, Configuring and Securing a Web and FTP Server – Part 9

A web server (also known as a HTTP server) is a service that handles content (most commonly web pages, but

Password Protec Files in Linux

7 Tools to Encrypt/Decrypt and Password Protect Files in Linux

Encryption is the process of encoding files in such a way that only those who are authorized can access them.

Reset Forgotten root Password in CentOS 7 and RHEL 7

Single User Mode: Resetting/Recovering Forgotten Root User Account Password in RHEL/CentOS 7

Have you ever encountered a situation when you missed your user account password on a Linux System? And the situation

Linux Access Control Lists

Secure Files/Directories using ACLs (Access Control Lists) in Linux

As a System Admin, our first priority will be to protect and secure data from unauthorized access. We all are

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Linux Commands and Tools

How to Disable Bluetooth at Linux Startup

6 Interesting Funny Commands of Linux (Fun in Terminal)

How to Search Files by Name or Extension Using find Command

Exa – A Modern Replacement for “ls Command” Written in Rust

15 Tips On How to Use ‘Curl’ Command in Linux

How to Run Shell Scripts with Sudo Command in Linux

Linux Server Monitoring Tools

How to Install dbWatch to Monitor MySQL Performance in Linux

ngrep – A Network Packet Analyzer for Linux

All You Need To Know About Processes in Linux [Comprehensive Guide]

Installing “PHP Server Monitor” Tool using LEMP or LAMP Stack in Arch Linux

How to Monitor System Usage, Outages and Troubleshoot Linux Servers – Part 9

How to Install Icinga2 Monitoring Tool on OpenSUSE

Learn Linux Tricks & Tips

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

How to Find Difference Between Two Directories Using Diff and Meld Tools

fdupes – A Command Line Tool to Find and Delete Duplicate Files in Linux

5 Useful Ways to Do Arithmetic in Linux Terminal

Lolcat – Display Text in Rainbow Colors in Linux Terminal

How to Transfer Files Between Two Computers using nc and pv Commands

Best Linux Tools

18 Best NodeJS Frameworks for App Development in 2023

16 Best Notepad++ Alternatives for Linux in 2025

5 Must-Try AI Tools for Linux Users in 2026

5 Best PDF to Word Converters for Linux

8 Best MySQL/MariaDB GUI Tools for Linux in 2024

8 Best SSH Clients for Linux in 2024

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