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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
  • Tutorials
    • Docker Tutorials
    • Ansible Tutorials
    • Postfix Tutorials
    • Django Tutorials
    • LVM Tutorials
    • RAID Tutorials
    • KVM Tutorials
    • iSCSI Tutorials
    • Red Hat Virtualization
    • Hadoop Tutorials
    • Zentyal Tutorials
    • Create GUI Apps
  • eBooks
    • RHCSA Exam
    • RHCE Exam
    • LFCS Exam
    • LFCE Exam
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  • About
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sudo commands

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

Run Scripts with Sudo Command

How to Run Shell Scripts with Sudo Command in Linux

sudo is a powerful command line tool that enables a “permitted user” to run a command as another user (the

Run Sudo Command Without Password

How to Run ‘sudo’ Command Without Entering a Password in Linux

In case you are running Linux on a machine that you normally use alone, say on a laptop, entering a

Set Sudo Password Timeout Linux

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

In recent articles, we’ve showed you 10 Useful Sudoers Configurations in Linux and Let Sudo Insult You When You Enter

Let Sudo Insult You When You Enter Incorrect Password

Sudoers is the default sudo security policy plugin in Linux, however, experienced system administrators can specify a custom security policy

Sudoers Configuration for sudo in Linux

10 Useful Sudoers Configurations for Setting ‘sudo’ in Linux

In Linux and other Unix-like operating systems, only the root user can run all commands and perform certain critical operations

Manage Users and Groups in Linux

Managing Users & Groups, File Permissions & Attributes and Enabling sudo Access on Accounts – Part 8

Last August, the Linux Foundation started the LFCS certification (Linux Foundation Certified Sysadmin), a brand new program whose purpose is

Difference Between su and sudo

Difference Between su and sudo and How to Configure sudo in Linux

Linux System is much secured than any of its counterpart. One of the way to implement security in Linux is

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Linux Commands and Tools

How to Optimize and Compress JPEG or PNG Images in Linux Commandline

ccat – Show ‘cat Command’ Output with Syntax Highlighting or Colorizing

How to Switch (su) to Another User Account without Password

How to Fix “bash: curl: command not found” Error

Fast – Test Your Internet Download Speed from Linux Terminal

How to Find and Sort Files Based on Modification Date and Time in Linux

Linux Server Monitoring Tools

Monitor Server Logs in Real-Time with “Log.io” Tool on RHEL/CentOS 7/6

How to Use ‘fsck’ to Repair Linux File System Errors

ctop – Top-like Interface for Monitoring Docker Containers

How to Install Nagios Core in Rocky LInux and AlmaLinux

httpstat – A Curl Statistics Tool to Check Website Performance

6 Key Performance Metrics to Monitor in Linux Servers – Part 1

Learn Linux Tricks & Tips

How to Use ‘at’ Command to Schedule a Task on Given or Later Time in Linux

How to Customize Bash Colors and Content in Linux Terminal Prompt

Show a Custom Message to Users Before Linux Server Shutdown

2 Ways to Re-run Last Executed Commands in Linux

How to Set Limits on User Running Processes in Linux

How to Find Difference Between Two Directories Using Diff and Meld Tools

Best Linux Tools

8 Best SSH Clients for Linux in 2024

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

10 Tools to Take or Capture Desktop Screenshots in Linux

23 Best Open Source Text Editors for Linux in 2024

6 Best Command-Line FTP Clients for Linux Users

8 Best MySQL/MariaDB GUI Tools for Linux in 2024

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