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Tecmint: Linux Howtos, Tutorials & Guides
  • 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
    • Essential Linux Commands
  • Tools
  • Tutorials
    • Docker Tutorials
    • Ansible Tutorials
    • Postfix Tutorials
    • Django Tutorials
    • LVM Tutorials
    • RAID Tutorials
    • KVM Tutorials
    • iSCSI Tutorials
    • Red Hat Virtualization
    • Hadoop Tutorials
    • Zentyal Tutorials
    • Create GUI Apps
  • eBooks
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    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
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firewalld Tips

Open Port for IP Address in CentOS

How to Open Port for a Specific IP Address in Firewalld

How can I allow traffic from a specific IP address in my private network or allow traffic from a specific private network through firewalld, to

A Beginners Guide To Learn Linux for Free [with Examples]
Red Hat RHCSA/RHCE 8 Certification Study Guide [eBooks]
Linux Foundation LFCS and LFCE Certification Study Guide [eBooks]

Linux Commands and Tools

How to Create and Manage Cron Jobs on Linux

Exa – A Modern Replacement for “ls Command” Written in Rust

fswatch – Monitors Files and Directory Changes or Modifications in Linux

How to Set Static IP Address and Configure Network in Linux

20 Linux YUM (Yellowdog Updater, Modified) Commands for Package Management

6 Useful X-based (Gui Based) Linux Commands – Part II

Linux Server Monitoring Tools

Monit – A Open Source Tool for Managing and Monitoring Linux System

A Shell Script to Send Email Alert When Memory Gets Low

rtop – An Interactive Tool to Monitor Remote Linux Server Over SSH

Cockpit – A Powerful Tool to Monitor and Administer Multiple Linux Servers via Browser

How to Limit Time and Memory Usage of Processes in Linux

How to Install Nagios 4 in Ubuntu and Debian

Learn Linux Tricks & Tips

How to List Files Installed From a RPM or DEB Package in Linux

How to Manipulate Filenames Having Spaces and Special Characters in Linux

10 Amazing and Mysterious Uses of (!) Symbol or Operator in Linux Commands

How to Find a Process Name Using PID Number in Linux

How to Clear BASH Command Line History in Linux

How to Generate/Encrypt/Decrypt Random Passwords in Linux

Best Linux Tools

Useful GUI Email Clients for Linux Desktop

3 Useful GUI and Terminal Based Linux Disk Scanning Tools

The 8 Best Open Source Web Servers

10 Best Clipboard Managers for Linux

18 Best NodeJS Frameworks for App Development in 2023

10 Best Linux File and Disk Encryption Tools

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