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Tecmint: Linux Howtos, Tutorials & Guides
  • Latest Tutorials
  • Commands
    • A – Z Linux Commands
    • 100+ Linux Commands
  • Tools
  • Distros
    • Linux Distros for Beginners
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    • Linux Server Distros
    • Secure Linux Distros
    • CentOS Alternatives
    • RedHat Distributions
    • Debian Distributions
    • Ubuntu Distributions
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    • Rolling Linux Distros
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    • Linux Distros for Old PC
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Security

Scan Linux for Malware and Rootkits

5 Tools to Scan a Linux Server for Malware and Rootkits

There are constant levels of high attacks and port scans on Linux servers all the time, while a properly configured

Lock User Accounts Failed Logins in Linux

How to Lock and Unlock User After Failed SSH Logins

SSH security is a top priority when setting up your server. The default SSH settings are usually not robust enough

Install Tor Browser in Linux

Tor Browser – How to Browse Web Anonymously in Linux

The primary application we require to perform our internet activity is a browser, a web browser to be more perfect

How to Access a Remote Server Using a SSH Jump Host

A jump host (also known as a jump server) is an intermediary host or an SSH gateway to a remote

Remove Passphrase in Linux

How To Remove SSL Certificate and SSH Key Passphrase in Linux

Brief: Have you created a certificate key or private key with a passphrase and wish to remove it? In this

Prevent SSH Brute-Force Login Attacks in Linux

5 Best Practices to Prevent SSH Brute-Force Login Attacks in Linux

Servers running SSH are usually a soft target for brute-force attacks. Hackers are constantly coming up with innovative software tools

SSH Banner Warning Message

How to Show Security Warning Message to SSH Unauthorized Users

SSH banner warnings are crucial when companies or organizations want to show a strict warning message to discourage unauthorized users

Install Suricata Intrusion Detection Tool in Linux

Suricata – A Intrusion Detection, Prevention, and Security Tool

Suricata is a powerful, versatile, and open-source threat detection engine that provides functionalities for intrusion detection (IDS), intrusion prevention (IPS),

Set Correct SSH Directory Permissions in Linux

How To Set Correct SSH Directory Permissions in Linux

For SSH to work well, it requires correct permissions on the ~/.ssh or /home/username/.ssh directory: the default location for all

Linux PHP Hardening Security Tips

Top PHP Hardening Security Tips for Linux Servers

It’s no brainier that PHP is one of the most used server scripting programming languages. It makes sense for an

Block SSH Brute Force in Linux

How to Block SSH Brute Force Attacks Using SSHGUARD

SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggregation of system

Set SSH Warning Banner in Linux

How to Set a Custom SSH Warning Banner and MOTD in Linux

SSH banner warnings are necessary when companies or organizations want to display a stern warning to discourage unauthorized parties from

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Linux Server Monitoring Tools

CBM – Shows Network Bandwidth in Ubuntu

Nethogs – Monitor Linux Network Traffic Usage Per Process

15 Useful Performance and Network Monitoring Tools for Linux

5 Tools to Scan a Linux Server for Malware and Rootkits

How to Install Nagios XI on Ubuntu 22.04

A Shell Script to Monitor Disk Usage and Send an Alert if it Exceeds 80%

Learn Linux Tricks & Tips

12 Practical Examples of Linux Grep Command

How to Get Hardware Information with Dmidecode Command on Linux

10 tr Command Examples in Linux

How to View Colored Man Pages in Linux

How to Find and Fix Failed Services in Linux

How to Disable Shutdown and Reboot Commands in Linux

Best Linux Tools

22 Best Free C/C++ IDEs and Editors for Linux in 2026

6 Best Linux Boot Loaders

Top 5 Open Source Collaboration Platforms for Linux in 2024

18 Best NodeJS Frameworks for App Development in 2023

16 Best Notepad++ Alternatives for Linux in 2025

10 Most Popular Download Managers for Linux in 2023

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