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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
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    • Debian Distributions
    • Ubuntu Distributions
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    • Rolling Linux Distros
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    • Linux Distros for Old PC
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    • 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

Ternimal – Show Animated Lifeform in Your Linux Terminal

8 Useful Commands to Monitor Swap Space Usage in Linux

How to Run a Linux Command Without Saving It in History

8 Linux Commands to Diagnose Hard Drive Issues in Linux

How to Set or Change System Hostname in Linux

whowatch – Monitor Linux Users and Processes in Real Time

Linux Server Monitoring Tools

rtop – An Interactive Tool to Monitor Remote Linux Server Over SSH

Cpustat – Monitors CPU Utilization by Running Processes in Linux

15 Useful Performance and Network Monitoring Tools for Linux

Cockpit – A Powerful Tool to Monitor and Administer Multiple Linux Servers via Browser

Darkstat – A Web Based Linux Network Traffic Analyzer

A Shell Script to Monitor Network, Diske, Uptime, Load, and RAM in Linux

Learn Linux Tricks & Tips

How to Find Out List of All Open Ports in Linux

How to Change Default Apache ‘DocumentRoot’ Directory in Linux

Translate rwx Permissions into Octal Format in Linux

How to Run Linux Commands in Background and Detach in Terminal

Set Date and Time for Each Command You Execute in Bash History

How to Use ‘at’ Command to Schedule a Task on Given or Later Time in Linux

Best Linux Tools

16 Best Microsoft Teams Alternatives For Linux in 2024

5 Best Open Source Internet Radio Player for Linux

5 Best Mathematical Equation and Formula Writing Tools for Linux

Top 7 Apps to Install for Your Nextcloud Instance

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

23 Best Open Source Text Editors for Linux in 2024

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