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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
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    • AI for Linux
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    • RHCE Certification
    • LFCS Certification
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Linux Tricks

Increase Linux Open File Limits

How to Increase Number of Open Files Limit in Linux

In Linux, you can change the maximum amount of open files. You may modify this number by using the ulimit

Linux Filesystem Backup Using 'cat' Command

How to Backup or Clone Linux Partitions Using ‘cat’ Command

A rough utilization of Linux cat command would be to make a full disk backup or a disk partition backup

Set PATH Variables Permanently in Linux

Learn How to Set Your $PATH Variables Permanently in Linux

In Linux (also UNIX) $PATH is environment variable, used to tell the shell where to look for executable files. $PATH variable

Learn more and less Command in Linux

Learn Why ‘less’ is Faster Than ‘more’ Command for Effective File Navigation

More is a *nix command line used to display the contents of a file in a console. The basic usage

Set System Hostname in Linux

How to Set or Change System Hostname in Linux

Device or system hostnames are used to easily recognize a machine within a network in a human readable format. It

Set Static Network IP Address in Linux

How to Set Static IP Address and Configure Network in Linux

If you are a Linux system administrator, time will come when you will need to configure networking on your system.

Linux cat and tac Command Usage

How to Use ‘cat’ and ‘tac’ Commands with Examples in Linux

This article is a part of our Linux Tricks and Tips series, in this article we will cover some basic

Run Linux Command Every Second

How to Run or Repeat a Linux Command Every X Seconds Forever

A system administrator often needs to run a command repeatedly in a certain periods of time. Often such tasks can

Keep SSH Sessions Running After Disconnection

5 Ways to Keep Remote SSH Sessions and Processes Running After Disconnection

SSH or Secure Shell in simple terms is a way by which a person can remotely access another user on

Set and Unset Linux Environment Variables

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

Environment Variables are some special variables that are defined in shell and are needed by programs while execution. They can

Find and Sort Files by Date and Time in Linux

How to Find and Sort Files Based on Modification Date and Time in Linux

Usually, we are in habit of saving a lot of information in form of files on our system. Some, hidden

Compress and Optimize Images in Linux

How to Optimize and Compress JPEG or PNG Images in Linux Commandline

You have a lot of images, and want to optimize and compress the images without losing its original quality before

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Linux Commands and Tools

How to Count Number of Files and Subdirectories inside a Given Directory

How to Run or Repeat a Linux Command Every X Seconds Forever

Fd – The Best Alternative to ‘Find’ Command for Quick File Searching

How to Show Asterisks While Typing Sudo Password in Linux

22 Linux Networking Commands for Sysadmin

How to Convert From RPM to DEB and DEB to RPM Package Using Alien

Linux Server Monitoring Tools

How to Configure Custom Access and Error Log Formats in Nginx

How to Add Hosts in OpenNMS Monitoring Server

Smem – Reports Memory Consumption Per-Process and Per-User in Linux

How to Install Nagios Core in Rocky LInux and AlmaLinux

Trickle – Control Network Traffic Bandwidth Of Applications in a Linux

How to Monitor Nginx Performance Using Netdata on CentOS 7

Learn Linux Tricks & Tips

How to Backup or Clone Linux Partitions Using ‘cat’ Command

4 Ways to Send Email Attachment from Linux Command Line

How to Find Most Used Disk Space Directories and Files in Linux

How to Find Difference Between Two Directories Using Diff and Meld Tools

How to Create a Shared Directory for All Users in Linux

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

Best Linux Tools

10 Best API Gateways and Management Tools in 2024

5 Best PDF Page Cropping Tools For Linux

8 Best SSH Clients for Linux in 2024

4 Best Tools for Creating Fillable PDF Forms on Linux

20 Useful Security Features and Tools for Linux Admins

6 Best Command-Line FTP Clients for Linux Users

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