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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
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    • Rolling Linux Distros
    • KDE Linux Distros
    • Linux Distros for Old PC
    • Linux Distros for Kids
    • Linux Distributions for Students
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Ubuntu FAQ’s

Fix Username is not in the sudoers file in Ubuntu

How to Fix “Username is not in the sudoers file. This incident will be reported” in Ubuntu

In Unix/Linux systems, the root user account is the super user account, and it can therefore be used to do

Fix NTFS Partition Failed to Mount Error

How to Fix NTFS Partition Failed to Mount Error in Linux

In this article, we will show how to fix NTFS failed to mount errors such as “Failed to mount ‘/dev/sdax’:

Some index files failed to download.” Error In Ubuntu

How to Fix “W: Some index files failed to download.” Error In Ubuntu

Sometimes you might encounter the error “W: Some index files failed to download.” on Ubuntu when updating the system. Here’s

Fix MySQL ERROR 1819 (HY000)

How to Fix “MySQL ERROR 1819 (HY000):” in Linux

When creating a MySQL user with a relatively weak password, you might encounter the error ‘MySQL ERROR 1819 (HY000): Your

Fix ERROR 1130 (HY000): Host Not Allowed to Connect Mysql

How to Fix ERROR 1130 (HY000): Host is not allowed to connect to this MySQL server

In this quick article, you will learn how to solve the “ERROR 1130 (HY000): Host x.x.x.x is not allowed to

Fix Could not get lock /var/lib/apt/lists/lock Ubuntu

Fix “Unable to lock the administration directory (/var/lib/dpkg/)” in Ubuntu

While using the apt-get command or the relatively new APT package management tool in Ubuntu Linux or its derivatives such

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Linux Server Monitoring Tools

How to Install Zabbix Monitoring Tool on Debian 11/10

Sysstat – All-in-One System Performance and Usage Activity Monitoring Tool For Linux

How to Monitor Node.js Applications Using PM2 Web Dashboard

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

How to Install LibreNMS Monitoring Tool on Debian 11/10

MTR – A Network Diagnostic Tool for Linux

Learn Linux Tricks & Tips

How to Assign Multiple IPs to a Single Network Interface in Linux

How to Find a Specific String or Word in Files and Directories

How to Use fsck to Check and Repair Linux Filesystem Errors

30 Useful Linux Commands for System Administrators

13 CLI Tools Every Developer Should Master in 2025

5 Commands to Manage File Types and System Time in Linux

Best Linux Tools

4 Best QR Code Generator Tools for Linux

5 Must-Try AI Tools for Linux Users in 2026

17 Best KDE Multimedia Applications for Linux

7 Best Calendar Apps for Linux Desktop in 2024

20 Useful Security Features and Tools for Linux Admins

13 Best Photo Editing Software for Linux in 2024

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