Skip to content
Pro TecMint
Pro TecMint · Now live Ubuntu Handbook
Now live →
Join Root $8/mo →
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
  • Tools
  • Pro Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
    • Ansible Exam
  • Sign In
  • Join Root →
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
  • Tools
  • Pro Courses
    • Bash Scripting
    • Learn Linux
    • AI for Linux
    • RHCSA Certification
    • RHCE Certification
    • LFCS Certification
  • eBooks
    • RHCSA Exam
    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
    • LFCA Exam
    • Ansible Exam
  • Sign In
  • Join Root →

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

Pro TecMint · Root Plan

Take Your Linux Skills to the Next Level

Root members get full access to every course, certification prep track, and a growing library of hands-on Linux content — with new courses added every month.

What You Get
Ad-free access to all premium articles
Access to all courses: Learn Linux, AI for Linux, Bash Scripting, Ubuntu Handbook, Golang and more.
Access to Linux certifications (RHCSA, RHCE, LFCS and LFCA)
Access new courses on release
Get access to weekly newsletter
Priority help in comments
Private Telegram community
Connect with the Linux community
Join Root Plan →
$8/mo · or $59/yr Cancel anytime
Pro TecMint Root Plan
14 courses

Premium Linux Courses

Join Root — Access All Courses →

From $8/mo · or $59/yr · Cancel anytime

Linux Server Monitoring Tools

How to Monitor Linux Performance with Sysstat Tools

How to Install and Configure Zabbix Agents on Remote Linux – Part 3

Stacer – Linux System Optimizer & Monitoring Tool

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

How to Monitor Website and Application with Uptime Kuma

Nmon – Monitor Linux System and Network Performance

Learn Linux Tricks & Tips

12 Ways to Find User Account Info and Login Details in Linux

How to Enable, Disable and Install Yum Plug-ins

Display Command Output or File Contents in Column Format

An Easy Way to Hide Files and Directories in Linux

4 Ways to Batch Convert Your PNG to JPG and Vice-Versa

Translate rwx Permissions into Octal Format in Linux

Best Linux Tools

7 Best Email Clients for Linux Systems

8 Best Command-Line/Terminal Email Clients for Linux

Top 4 Google Docs Alternatives for Linux in 2024

10 Top Open Source Artificial Intelligence Tools for Linux

The 27 Best IDEs and Code Editors for Linux

60 Must-Have Free and Open-Source Linux Tools for 2026

Tecmint: Linux Howtos, Tutorials & Guides © 2026. All Rights Reserved.

The material in this site cannot be republished either online or offline, without our permission.

Hosting Sponsored by : Linode Cloud Hosting