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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
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    • Debian Distributions
    • Ubuntu Distributions
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    • Rolling Linux Distros
    • KDE Linux Distros
    • Linux Distros for Old PC
    • Linux Distros for Kids
    • Linux Distributions for Students
    • Linux Distros for Windows
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Security

SSH Security Settings

20 Essential SSH Configurations and Security Tips for Linux

SSH (Secure Shell) is one of the most important tools for Linux system administrators and developers, as it allows you

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

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

Install Memcached on RHEL

Improve Website Performance – Install Memcached on RHEL 9

Memcached is an open-source distributed memory object caching program that allows us to improve and speed up the performance of

Install Fail2Ban in Ubuntu 24.04

How to Install Fail2ban to Stop Brute-Force Attacks on Ubuntu 24.04

Fail2ban is a powerful Python-based security tool that helps protect Linux systems from brute-force attacks by blocking IP addresses that

Disable Avahi-Daemon in Linux

How to Disable Avahi-Daemon in Linux

Avahi-daemon is a service running on Linux systems that provides network service discovery using mDNS (Multicast DNS) and DNS-SD (DNS

Enable or Disable SELinux Boolean Values

How to Enable or Disable SELinux Booleans for Apache

SELinux, or Security-Enhanced Linux, is a security mechanism for mandatory access control (MAC) implemented in the Linux kernel to add

Tomb - A File Encryption Tool for Linux

Tomb – A File Encryption and Personal Backup Tool for Linux

Tomb is a free open-source, small, powerful, and simple tool for encrypting files on GNU/Linux. At the time of this

Best SSL Certificate Authorities

11 Best Free and Low-Cost SSL Certificate Authorities

Brief: There are multiple Certificate Authorities that you can purchase an SSL certificate from. In this guide, we focus on

Linux Security Tools for Admins

20 Useful Security Features and Tools for Linux Admins

In this article, we shall a list of useful Linux security features that every system administrator should know. We also

Linux Security Features and Tools

8 Useful Linux Security Features and Tools for Beginners

The primary use of computers in any form, whether it’s a mobile phone, personal computer, a workstation, or a server

How to Change and Secure Default PhpMyAdmin Login URL

By default, the login page of phpmyadmin is located at http://<ip address>/phpmyadmin. The first thing that you will want to

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Linux Commands and Tools

6 Interesting Funny Commands of Linux (Fun in Terminal)

How to Search DuckDuckGo from the Linux Terminal

Different Ways to Create and Use Bash Aliases in Linux

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

How to Transfer Files (Local and Remote) in Linux

10 7zip (File Archive) Command Examples in Linux

Linux Server Monitoring Tools

How to Boost Linux Server Internet Speed with TCP BBR

How to Install htop on CentOS 8

GoAccess (A Real-Time Apache and Nginx) Web Server Log Analyzer

Mytop – A Useful Tool for Monitoring MySQL/MariaDB Performance in Linux

Petiti – An Open Source Log Analysis Tool for Linux SysAdmins

LibreNMS – A Fully Featured Network Monitoring Tool for Linux

Learn Linux Tricks & Tips

3 Ways to List All Installed Packages in RHEL, CentOS and Fedora

How to Set and Unset Local, User and System Wide Environment Variables in Linux

How to Count Word Occurrences in a Text File

10 Useful Linux Command Line Tricks for Newbies – Part 2

How to Copy File Permissions and Ownership to Another File in Linux

How to Create a Shared Directory for All Users in Linux

Best Linux Tools

8 Best Command-Line/Terminal Email Clients for Linux

Top 5 Linux Programs for Students in 2025

32 Most Used Firefox Add-ons to Improve Productivity in Linux

10 Best File Comparison and Difference (Diff) Tools for Linux

6 Best Linux Apps for Downloading Movie Subtitles

11 Useful Tools to Create Bootable USB from an ISO Image

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