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Tecmint: Linux Howtos, Tutorials & Guides
  • Learn Linux
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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 Commands and Tools

How to Create Hard and Symbolic Links in Linux

vlock: The Smart Way to Lock Your Linux Terminal

How to Find and Remove Duplicate/Unwanted Files in Linux Using ‘FSlint’ Tool

How to Change Runlevels (targets) in SystemD

How to Install Zip and Unzip in Linux

Stop Using Only cd: Learn pushd, popd, and zoxide in Linux

Linux Server Monitoring Tools

How to Monitor Performance Of CentOS 8/7 Server Using Netdata

Collectl: An Advanced All-in-One Performance Monitoring Tool for Linux

Monitor Server Resources with Collectd-web and Apache CGI in Linux

bmon – A Powerful Network Bandwidth Monitoring and Debugging Tool for Linux

btop: A Modern and Resourceful System Monitor

Conky – A System Monitor Tool for Linux Desktop

Learn Linux Tricks & Tips

How to Keep ‘sudo’ Password Timeout Session Longer in Linux

4 Ways to Find Server Public IP Address in Linux Terminal

How to Add or Remove Linux User From Group

How to Delete Root Mails (Mailbox) File in Linux

How to Copy a File to Multiple Directories in Linux

How to Count Word Occurrences in a Text File

Best Linux Tools

Top 6 Telegram Bots to Boost Your Productivity in 2025

16 Best Notepad++ Alternatives for Linux in 2025

17 Best KDE Multimedia Applications for Linux

6 Most Notable Open Source Centralized Log Management Tools

5 Best Microsoft Word Alternatives for Linux in 2024

Top 5 Open-Source Enterprise Software for Linux in 2024

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