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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
    • RedHat Distributions
    • Debian Distributions
    • Ubuntu Distributions
    • Arch Linux Distros
    • Rolling Linux Distros
    • KDE Linux Distros
    • Linux Distros for Old PC
    • Linux Distros for Kids
    • Linux Distributions for Students
    • Linux Distros for Windows
  • Commands
    • A – Z Linux Commands
    • 100+ Linux Commands
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  • Pro Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
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    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
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    • LFCS Exam
    • LFCE Exam
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    • Ansible Exam
  • About
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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 Commands and Tools

sysget – A Front-end for Every Package Manager in Linux

20 Basic ‘ls’ Command Examples in Linux

How to Install Curl in Linux

Best Command Line Language Translators for Linux

How to Enable, Disable and Install Yum Plug-ins

How to Add a New Disk to an Existing Linux Server

Linux Server Monitoring Tools

How to Monitor Performance Of CentOS 8/7 Server Using Netdata

How to Monitor Linux Server Security with Osquery

btop: A Modern and Resourceful System Monitor

vtop – A Linux Process and Memory Activity Monitoring Tool

Monitor Server Logs in Real-Time with “Log.io” Tool on RHEL/CentOS 7/6

bmon – A Powerful Network Bandwidth Monitoring and Debugging Tool for Linux

Learn Linux Tricks & Tips

How to Increase Disk Inode Number in Linux

Learn How to Set Your $PATH Variables Permanently in Linux

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

3 Ways to Find Out Which Process Listening on a Particular Port

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

5 Useful Ways to Do Arithmetic in Linux Terminal

Best Linux Tools

50+ Best Free and Open-Source Software for Linux in 2025

20 Useful Security Features and Tools for Linux Admins

Universal Package Managers for Linux: Snap, Flatpak, and AppImage

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

Top 6 Partition Managers (CLI + GUI) for Linux

11 Best Graphical Git Clients and Git Repository Viewers for Linux

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