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Tecmint: Linux Howtos, Tutorials & Guides
  • Latest Tutorials
  • Commands
    • A – Z Linux Commands
    • 100+ Linux Commands
  • Tools
  • 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
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    • Linux Distributions for Students
    • Linux Distros for Windows
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    • Learn Linux
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  • About
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Fix Passwd: Authentication token manipulation Error

How to Fix “passwd: Authentication token manipulation error” in Linux

In Linux, the passwd command is used to set or change user account passwords, while using this command sometimes users

OSQuery Linux Security Tool

How to Monitor Linux Server Security with Osquery

Osquery is a free open source, powerful and cross-platform SQL-based operating system instrumentation, monitoring, and analytics framework for Linux, FreeBSD,

whowatch – Monitor Linux Users and Processes

whowatch – Monitor Linux Users and Processes in Real Time

whowatch is a simple, easy-to-use interactive who-like command line program for monitoring processes and users on a Linux system. It

Deprecated Linux Networking Commands

Deprecated Linux Networking Commands and Their Replacements

In our previous article, we have covered some useful command line networking utilities for Sysadmin’s for network management, troubleshooting and

Alacritty Terminal Emulator for Linux

Alacritty – A Fastest Terminal Emulator for Linux

Alacritty is a free open-source, fast, cross-platform terminal emulator, that uses GPU (Graphics Processing Unit) for rendering, which implements certain

Teleconsole – Share Your Linux Terminal with Your Friends

Teleconsole – Share Your Linux Terminal with Your Friends

Teleconsole is a free open source and powerful command-line tool for sharing your Linux terminal session with people you trust.

Install MongoDB on Ubuntu 18.04

How to Install MongoDB on Ubuntu 18.04

MongoDB is an open-source, modern document database management system designed for high performance data persistence, high availability, as well as

Shows Network Bandwidth in Ubuntu

CBM – Shows Network Bandwidth in Ubuntu

CBM (Color Bandwidth Meter) is a simple tool that shows the current network traffic on all connected devices in colors

How to Upgrade to Linux Mint 19

Linux Mint 19 code named “Tara”, is the latest release of the Mint project. It is a Long Term Support

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

Learn Vim Commands with PacVim Game

PacVim – A Game That Teaches You Vim Commands

Although Vim (short for VI Improved) is a popular text editor on Linux systems, people still find it hard to

ctop - Monitor Docker Containers in Linux

ctop – Top-like Interface for Monitoring Docker Containers

ctop is a free open source, simple and cross-platform top-like command-line tool for monitoring container metrics in real-time. It allows

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Linux Server Monitoring Tools

ngrep – A Network Packet Analyzer for Linux

7 Best Tools to Monitor and Debug Disk I/O Performance in Linux

24 Best Command Line Tools to Monitor Linux Performance

How to Install Cacti (Network Monitoring) Tool on RHEL Systems

ngxtop – Monitor Nginx Log Files in Real Time in Linux

5 Modern VnStat PHP Replacements for Bandwidth Monitoring

Learn Linux Tricks & Tips

MTR – A Network Diagnostic Tool for Linux

3 Ways to Extract and Copy Files from ISO Image in Linux

How To Install and Use Android Debug Bridge (adb) in Linux

15 Useful ‘Sockstat Command Examples’ to Find Open Ports in FreeBSD

How to Manage Let’s Encrypt SSL Certificates with Certbot Commands

How to Run a Linux Command Without Saving It in History

Best Linux Tools

5 Best Open-Source PDF Annotation Tools for Linux in 2024

Top 5 Linux Programs for Students in 2025

17 Best KDE Multimedia Applications for Linux

5 Google Docs Alternatives You Can Self-Host on Linux

11 Best Screen Recorders For Linux in 2024

8 Best PowerPoint Alternatives for Linux

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