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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 Get Total Inodes of Root Partition

How to Record and Replay Linux Terminal Sessions

20 Useful ‘apt-get’ Commands for Ubuntu Package Management

How to Change Linux Partition Label Names on EXT4 / EXT3 / EXT2 and Swap

16 Top Command Examples in Linux [Monitor Linux Processes]

How to Use sed and awk to Modify Config Files in Linux

Linux Server Monitoring Tools

systemd-analyze – Find System Boot-up Performance Statistics in Linux

How to Boost Linux Server Internet Speed with TCP BBR

rtop – An Interactive Tool to Monitor Remote Linux Server Over SSH

A Shell Script to Monitor Disk Usage and Send an Alert if it Exceeds 80%

All You Need To Know About Processes in Linux [Comprehensive Guide]

Linfo – Shows Linux Server Health Status in Real-Time

Learn Linux Tricks & Tips

5 Ways to Find a ‘Binary Command’ Description and Location on File System

Learn How to Set Your $PATH Variables Permanently in Linux

Tips to Create ISO from CD, Watch User Activity and Check Memory Usages of Browser

How to Add or Remove Linux User From Group

How to Find Most Used Disk Space Directories and Files in Linux

10 Practical Examples Using Wildcards to Match Filenames in Linux

Best Linux Tools

8 Best Command-Line/Terminal Email Clients for Linux

5 Best Open-Source School Management Software for Linux

6 Most Notable Open Source Centralized Log Management Tools

10 Top Open Source Caching Tools for Linux in 2024

17 Best KDE Multimedia Applications for Linux

Top 5 Diagram Tools for Linux Users in 2025 (Free & Open-Source)

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