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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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    • 100+ Linux Commands
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    • RHCE Certification
    • LFCS Certification
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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

7 Best Tools to Compare Text Files in Linux

How to Limit File Download Speed Using Wget in Linux

5 Useful Ways to Do Arithmetic in Linux Terminal

How to View Configuration Files Without Comments in Linux

Advanced Copy Command – Shows Progress Bar While Copying/Moving Files in Linux

How to Add a New Disk to an Existing Linux Server

Linux Server Monitoring Tools

How to Add Linux Host to Nagios Monitoring Server Using NRPE Plugin

Bandwhich – A Network Bandwidth Utilization Tool for Linux

Setting Up Real-Time Monitoring with ‘Ganglia’ for Grids and Clusters of Linux Servers

iPerf3 – Test Network Speed/Throughput in Linux

Trickle – Control Network Traffic Bandwidth Of Applications in a Linux

How to Monitor Apache Performance using Netdata on CentOS 7

Learn Linux Tricks & Tips

How to Find and Sort Files Based on Modification Date and Time in Linux

How to Check Which Apache Modules are Enabled/Loaded in Linux

How to Create a New Ext4 File System (Partition) in Linux

10 Useful Linux Command Line Tricks for Newbies – Part 2

How to Monitor Progress of (Copy/Backup/Compress) Data using ‘pv’ Command

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

Best Linux Tools

11 Best Graphical Git Clients and Git Repository Viewers for Linux

5 Best PDF to Word Converters for Linux

6 Best Modern Linux ‘init’ Systems (1992-2025)

15 Best Tiling Window Managers for Linux in 2025

8 Useful GUI Email Clients for Linux Desktop

10 Best API Gateways and Management Tools in 2024

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