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Tecmint: Linux Howtos, Tutorials & Guides
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    • A – Z Linux Commands
    • 100+ Linux Commands
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CentOS

Setup Local HTTP Yum Repository on CentOS 7

How to Setup Local HTTP Yum Repository on CentOS 7

A software repository (“repo” in short) is a central file storage location to keep and maintain software packages, from which

Install OpenSSL from Source in CentOS and Ubuntu

How to Install OpenSSL from Source in CentOS and Ubuntu

OpenSSL is a full-featured software library that contains an open-source implementation of the Transport Layer Security (TLS) and Secure Sockets

Install OPcache in CentOS 7

Install OPCache to Improve PHP Performance in CentOS 7

PHP is one of the most popular programming language for developing applications, you will find it on every web hosting

Install Apache Maven in CentOS 7

How to Install Apache Maven on CentOS 7

Apache Maven is a open source software project management and build automation tool, that is based on the conception of

Compile Kernel in CentOS 7

How to Compile Linux Kernel on CentOS 7

Running a custom compiled Linux Kernel is always useful, specially when you are looking to enable or disable specific Kernel

Install VirtualBox Guest Additions in CentOS

Install VirtualBox Guest Additions in CentOS, RHEL & Fedora

VirtualBox Guest Additions are software (typically device drivers and other special system applications) that enable seamless integration between the host

Enable NUX Dexktop Repository on CentOS

How to Enable NUX Dextop Repository on RHEL/CentOS 7/6

Nux Dextop is a third-party RPM repository that contains multimedia and desktop packages for Enterprise Linux distributions such as RHEL,

Check CentOS Version

4 Ways to Check CentOS or RHEL Version

Do you know the version of CentOS/RHEL release you are running on your server? Why is this even important? There

How to Rebuild Corrupted RPM Database in CentOS

The RPM database is made up of files under the /var/lib/rpm/ directory in CentOS and other enterprise Linux distributions such

Install PHP 5.6 in CentOS 7

How to Install PHP 5.6 on CentOS 7

By default the CentOS 7 official software package repositories have PHP 5.4, which has reached the end of life and

Install Kernel Headers in CentOS 7

How to Install Kernel Headers in CentOS 7

When you compile a custom kernel module such as a device driver on a CentOS system, you need to have

Password Protect Single User Mode in CentOS 7

How to Password Protect Single User Mode in CentOS 7

In one of our earlier articles, we described how to boot into single user mode on CentOS 7. It is

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Linux Server Monitoring Tools

How To Install Pandora FMS Monitoring Tool in Ubuntu 18.04

LibreNMS – A Fully Featured Network Monitoring Tool for Linux

Install OpenNMS Network Monitoring in Debian and Ubuntu

How to Monitor Nginx Performance Using Netdata on CentOS 7

A Shell Script to Monitor Network, Diske, Uptime, Load, and RAM in Linux

20 Netstat Commands for Linux Network Management

Learn Linux Tricks & Tips

hyperfine: Find Linux Command Execution Time Accurately

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

How to Disable ‘su’ Access for Sudo Users

4 Ways to Find Out What Ports Are Listening in Linux

at Command: Schedule One-Time Linux Tasks Without Cron

How to Check DNS Server IP Address in Linux

Best Linux Tools

8 Useful GUI Email Clients for Linux Desktop

Top 7 Free Odoo Apps for Linux Users in 2025

10 Best File Comparison and Difference (Diff) Tools for Linux

Top 5 Open-Source OCR Tools for Linux in 2025

5 Most Frequently Used Open Source Shells for Linux

6 Best Linux Apps for Downloading Movie Subtitles

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