Skip to content
NEW: Get Lifetime access to 8 courses, 3 certifications, 5 eBooks, and all future courses for just $199 - [Claim Offer]
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
  • Tools
  • Pro Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
    • Ansible Exam
  • About
    • Contact
    • Hiring
    • Newsletter
    • Testimonials
    • Donate
    • Advertise
    • Submit Article Request
    • Suggest an Update
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
  • Tools
  • Pro Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
    • Ansible Exam
  • About
    • Contact
    • Hiring
    • Newsletter
    • Testimonials
    • Donate
    • Advertise
    • Submit Article Request
    • Suggest an Update

OpnSense Firewall

Install and Configure OPNSense Firewall

How to Install and Configure Basic OpnSense Firewall

In a prior article, a firewall solution known as PfSense was discussed. In early 2015 a decision was made to

Upgrade Your Linux Learning with Pro.Tecmint

If you find TecMint helpful, consider supporting us by subscribing to Pro.Tecmint.com – our premium platform with exclusive guides, ad-free experience, early access to tutorials, and much more.

Your support helps us keep creating quality Linux content for everyone.

Get Lifetime Access

Linux Commands and Tools

How to Download Files to Specific Directory Using Wget

A Complete Guide to Usage of ‘usermod’ command – 15 Practical Examples with Screenshots

11 Commands to View Linux Hardware Details (CPU, RAM, Disk)

How to Set Static IP Address and Configure Network in Linux

Find Out All Live Hosts IP Addresses Connected on Network in Linux

How to Copy a File to Multiple Directories in Linux

Linux Server Monitoring Tools

Perf- A Performance Monitoring and Analysis Tool for Linux

How to Monitor Apache Performance using Netdata on CentOS 7

Install Munin (Network Monitoring) in RHEL, CentOS and Fedora

Htop – An Interactive Process Viewer for Linux

How to Setup and Manage Log Rotation Using Logrotate in Linux

Limit CPU Usage of a Process in Linux with CPULimit Tool

Learn Linux Tricks & Tips

Mhddfs – Combine Several Smaller Partition into One Large Virtual Storage

How to Boot into Single User Mode in CentOS/RHEL 7

How to Find a Specific String or Word in Files and Directories

Tips to Create ISO from CD, Watch User Activity and Check Memory Usages of Browser

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

How to Switch (su) to Another User Account without Password

Best Linux Tools

11 Best Self-Hosted Alternatives to Google Photos

5 Best Mathematical Equation and Formula Writing Tools for Linux

8 Useful GUI Email Clients for Linux Desktop

15 Best Tiling Window Managers for Linux in 2025

3 Essential Linux Disk Scanning Tools (GUI and Terminal Based)

12 Best Media Server Software for Linux in 2024

Tecmint: Linux Howtos, Tutorials & Guides © 2026. All Rights Reserved.

The material in this site cannot be republished either online or offline, without our permission.

Hosting Sponsored by : Linode Cloud Hosting