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Tecmint: Linux Howtos, Tutorials & Guides
  • Learn Linux
  • Linux Distros
    • Linux Distros for Beginners
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    • New Linux Distros
    • Linux Server Distros
    • Secure Linux Distros
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    • Ubuntu Distributions
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    • Rolling Linux Distros
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    • Linux Distributions for Students
    • Linux Distros for Windows
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Security

Install Security Updates in Ubuntu

How to Install Security Updates in Ubuntu

One of the easiest ways to protect your Ubuntu systems is by keeping up to date software on them. Therefore

Install Mod_Security Mod_Evasive in CentOS

Protect Apache Against Brute Force or DDoS Attacks Using Mod_Security and Mod_evasive Modules

For those of you in the hosting business, or if you’re hosting your own servers and exposing them to the

Install Linux Malware Detect in Linux

How to Install and Use Linux Malware Detect (LMD) with ClamAV as Antivirus Engine

Malware, or malicious software, is the designation given to any program that aims at disrupting the normal operation of a

CentOS Server Hardening Security Tips

23 CentOS Server Hardening Security Tips – Part 2

Continuing the previous tutorial on How to Secure and Harden CentOS server, in this article, we’ll discuss other security tips

CentOS Server Hardening Security Tips

20 CentOS Server Hardening Security Tips – Part 1

This tutorial only covers general security tips for CentOS 8/7 which can be used to harden the system. The checklist

Install Security Updates on CentOS 8

How to Install Security Updates on CentOS 8

Keeping your Linux system up-to-date is a very critical task, especially when it comes to installing security updates. This ensures

FirewallD Command Examples

How to Restrict Network Access Using FirewallD

As a Linux user, you can opt either to allow or restrict network access to some services or IP addresses

Increase SSH Connection Timeout

How to Increase SSH Connection Timeout in Linux

SSH timeouts as a result of inactivity can be quite irritating. This usually compels you to reinitiate the connection and

Secure OpenSSH Server

How to Secure and Harden OpenSSH Server

When it comes to accessing remote devices such as servers, routers, and switches, SSH protocol comes highly recommended given its

Create a Local Self-Signed SSL Certificate

How to Create a Local Self-Signed SSL Certificate on CentOS 8

SSL (Secure Socket Layer), and its improved version, TLS (Transport Socket Layer), are security protocols that are used to secure

dnf-automatic - Auto Install Updates on CentOS 8

dnf-automatic – Install Security Updates Automatically in CentOS 8

Security updates play a crucial role in safeguarding your Linux system against cyber-attacks and breaches which can have a devastating

Secure Nginx with Let’s Encrypt on CentOS 8

How to Secure Nginx with Let’s Encrypt on CentOS 8

Founded in April 2016 by the Electronic Frontier Foundation (EFF), Let’s Encrypt is a free and automated digital certificate that

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Linux Commands and Tools

Fd – The Best Alternative to ‘Find’ Command for Quick File Searching

How to Install netstat Command in Linux

Zaloha.sh – A Simple Local Directory Synchronizer Script for Linux

5 Best Command Line Archive Tools for Linux – Part 1

4 Ways to Disable Root Account in Linux

How to Add, Delete and Update Files in Tar Archive in Linux

Linux Server Monitoring Tools

Smem – Reports Memory Consumption Per-Process and Per-User in Linux

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

How to Monitor Ubuntu Performance Using Netdata

LibreNMS – A Fully Featured Network Monitoring Tool for Linux

Collectl: An Advanced All-in-One Performance Monitoring Tool for Linux

ctop – Top-like Interface for Monitoring Docker Containers

Learn Linux Tricks & Tips

How to Christmassify Your Linux Terminal and Shell

How to View Colored Man Pages in Linux

How to Configure Custom SSH Connections to Simplify Remote Access

Rename All Files and Directory Names to Lowercase in Linux

How to Create Hard and Symbolic Links in Linux

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

Best Linux Tools

8 Useful GUI Email Clients for Linux Desktop

5 Best Platforms for Hosting Your Web Projects in 2024

5 Top Open-Source Microsoft 365 Alternatives for Linux

10 Best Linux File and Disk Encryption Tools (2024)

7 Best CCleaner Alternatives for Ubuntu

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

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