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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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    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
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    • Ansible Exam
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Linux Tricks

List Linux File Permissions in Octal Format Using Stat Command

Translate rwx Permissions into Octal Format in Linux

Sometimes you may find it useful to display the access rights of files or directories in octal form instead of

Identify Working Directories Using Shell Characters and Environment Variables

How to Identify Working Directories Using Shell Characters and Variables

Some of the special directories that a Linux user is bound to work with so many times on a shell

Encrypt and Decrypt Tar with OpenSSL in Linux

How to Encrypt and Decrypt Files and Directories Using Tar and OpenSSL

When you have important sensitive data, then its crucial to have an extra layer of security to your files and

Use at Command to Schedule Tasks in Linux

How to Use ‘at’ Command to Schedule a Task on Given or Later Time in Linux

As an alternative to cron job scheduler, the at command allows you to schedule a command to run once at

Easily Correct or Fix Previous Command Typos in Linux

Easily Correct a Typo of Previous Command Using Carat (^) Symbol

Have you ever typed a command and rushed to hit Enter, only to find that you had a typo in

Find Processes By Memory Usage with top

Find Top 15 Processes by Memory Usage with ‘top’ in Batch Mode

Similarly to the previous tip about find out top processes by RAM and CPU usage, you can also use top

Find Top Running Processes by Highest Memory and CPU Usage in Linux

I remember once reading that efficient system administrators are lazy people. The reason is not that they’re not doing their

Change Apache Web Root Directory in Linux

How to Change Default Apache ‘DocumentRoot’ Directory in Linux

Apache web server is probably the most used web server across platforms including different Linux distributions and Windows. The web

Set User Process Limits in Linux

How to Set Limits on User Running Processes in Linux

One of the Linux’s beauties is that you can control almost everything about it. This gives a system administrator a

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

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Linux Commands and Tools

How to Verify Debian and Ubuntu Packages Using MD5 Checksums

How to Get Hardware Information with Dmidecode Command on Linux

How to Generate and Verify Files with MD5 Checksum in Linux

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

6 Useful Tools to Troubleshoot DNS Name Resolution Problems

Progress – Show Percentage of Copied Data for (cp, mv, dd, tar) Commands

Linux Server Monitoring Tools

ngxtop – Monitor Nginx Log Files in Real Time in Linux

Tuned – Automatic Performance Tuning of CentOS/RHEL Servers

ntopng – Web-Based Network Traffic and Security Monitoring Tool

Mytop – A Useful Tool for Monitoring MySQL/MariaDB Performance in Linux

How to Install LibreNMS Monitoring Tool on Debian 11/10

How to Do Security Auditing of Linux System Using Lynis Tool

Learn Linux Tricks & Tips

Understanding Shell Commands Easily Using “Explain Shell” Script in Linux

How to Enable, Disable and Install Yum Plug-ins

How to Restore Deleted /tmp Directory in Linux

How to Show Asterisks While Typing Sudo Password in Linux

2 Ways to Create an ISO from a Bootable USB in Linux

How to Force User to Change Password at Next Login in Linux

Best Linux Tools

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

10 Best Tools to Install on Fresh Linux Mint Installation

5 Best Microsoft Word Alternatives for Linux in 2024

10 Most Popular Download Managers for Linux in 2023

10 Tools to Monitor Linux Disk Partitions and Usage in Linux

16 Best Microsoft Teams Alternatives For Linux in 2024

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