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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
  • 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
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Matei Cezar

I'am a computer addicted guy, a fan of open source and linux based system software, have about 4 years experience with Linux distributions desktop, servers and bash scripting.
Setup HTTPS with Lets Encrypt to Secure Nginx on RHEL

How to Install Let’s Encrypt SSL Certificate to Secure Nginx on RHEL 9/8

In this article, we’ll guide you on how to generate and install an SSL/TLS certificate obtained for free from Let’s

Create OU and Enable GPO in Zentyal

How to Create Organizational Units (OU) and Enable GPO (Group Policy) in Zentyal – Part 3

After my previous two tutorials on installing, basic configurations and remotely accessing Zentyal PDC from a Windows-based node it’s time to

Manage Zentyal PDC from Windows

How to Manage Zentyal PDC (Primary Domain Controller) from Windows System – Part 2

This tutorial will demonstrate how you can access and manage your Zentyal Server Development Edition as a Primary Domain Controller

Install Zentyal and Add Windows to PDC

Install Zentyal as PDC (Primary Domain Controller) and Integrate Windows System – Part 1

This series will be titled Preparation for the setting up and managing Zentyal as PDC (Primary Domain Controller) through Parts

Putty SSH Passwordless Linux Login

Configure “No Password SSH Keys Authentication” with PuTTY on Linux Servers

SSH (Secure SHELL) is one of the most used network protocols to connect and login to remote Linux servers, due

Add Windwos Host to Zabbix Monitoring

How to Install Zabbix Agent and Add Windows Host to Zabbix Monitoring – Part 4

Following previous tutorials concerning the Zabbix series, this article describes how to install and set up an instance of a

Add Zabbix Agent on Linux

How to Install and Configure Zabbix Agents on Remote Linux – Part 3

Continuing the Zabbix series, this tutorial will guide you on how you can install and configure Zabbix agents on Linux

Zabbix Mail Alerts to Gmail Account

How to Configure Zabbix to Send Email Alerts to Gmail Account – Part 2

If you are using Zabbix to monitor your infrastructure you might want to receive email alerts from your local domain

Install Zabbix on Linux

How to Install Zabbix on RHEL/CentOS and Debian/Ubuntu – Part 1

Zabbix is an Open Source, high-level enterprise software designed to monitor and keep track of networks, servers, and applications in

Configure Network Interface in CentOS 7

How to Configure Network Static IP Address on RHEL/CentOS 8/7

The scope of this tutorial is to explain how we can edit and make changes to Network Configurations on RHEL/CentOS

Install Multiple CentOS Servers using FTP

How to Install Multiple CentOS/RHEL Servers Using FTP Network Sources

This tutorial will demonstrate how you can install RHEL/CentOS 8/7, using an FTP server (vsftpd) as Network Source. This allows

Build Configure Docker Images with Dockerfile

How to Automatically Build and Configure Custom Docker Images with Dockerfile – Part 3

This tutorial will concentrate on how to build a custom Docker image based on Ubuntu with Apache service installed. The

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Linux Commands and Tools

How to Set Limits on User Running Processes in Linux

How to Use ‘fsck’ to Repair Linux File System Errors

How to Find Number of Files in a Directory and Subdirectories

Linux Tricks: Play Game in Chrome, Text-to-Speech, Schedule a Job and Watch Commands in Linux

PhotoRec – Recover Deleted or Lost Files in Linux

How To Create a Linux Swap File

Linux Server Monitoring Tools

How To Install Elasticsearch, Logstash, and Kibana (ELK Stack) on RHEL

4 Ways to Watch or Monitor Log Files in Real Time

How to Add Hosts in OpenNMS Monitoring Server

How to Do Security Auditing of Linux System Using Lynis Tool

Sysmon – A Graphical System Activity Monitor for Linux

How to Create a Centralized Log Server with Rsyslog in CentOS/RHEL 7

Learn Linux Tricks & Tips

Add Rainbow Colors to Linux Command Output in Slow Motion

How to Check Remote Ports are Reachable Using ‘nc’ Command

How to Set Limits on User Running Processes in Linux

Linux_Logo – Print ASCII Logo Of Linux with System Information

How to Increase Number of Open Files Limit in Linux

How to Compress and Decompress a .bz2 File in Linux

Best Linux Tools

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

11 Best Open Source Note-Taking Apps for Linux

4 Best Tools for Creating Fillable PDF Forms on Linux

11 Best Free and Low-Cost SSL Certificate Authorities

5 Best PDF Page Cropping Tools For Linux

5 GUI Tools to Free Up Space on Debian, Ubuntu and Linux Mint

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