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

4 hours 19 min ago
The post How to Use sed and awk to Modify Config Files in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Linux configuration files are often plain text, which makes them easily editable using command-line tools. Among the most powerful of

The post How to Use sed and awk to Modify Config Files in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Let Sudo Insult You When You Enter Incorrect Password

Wed, 07/16/2025 - 13:00
The post Let Sudo Insult You When You Enter Incorrect Password first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

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

The post Let Sudo Insult You When You Enter Incorrect Password first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How Linux Services and Daemons Work (and How to Control Them)

Mon, 07/14/2025 - 12:42
The post How Linux Services and Daemons Work (and How to Control Them) first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

When starting out with Linux, you may encounter the terms “services” and “daemons” quite frequently, which refer to background processes

The post How Linux Services and Daemons Work (and How to Control Them) first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

10 Core Linux Interview Questions and Answers – Part 4

Thu, 07/10/2025 - 10:32
The post 10 Core Linux Interview Questions and Answers – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Thanks again for the amazing response to Parts 1, 2, and 3 of our Linux Interview Questions series here on

The post 10 Core Linux Interview Questions and Answers – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Top 5 Open-Source OCR Tools for Linux in 2025

Tue, 07/08/2025 - 14:34
The post Top 5 Open-Source OCR Tools for Linux in 2025 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

OCR stands for optical character recognition, and software of this type is designed to convert images, pictures, or scanned documents

The post Top 5 Open-Source OCR Tools for Linux in 2025 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

10 Little-Known Linux Commands You Probably Missed – Part 5

Wed, 07/02/2025 - 12:00
The post 10 Little-Known Linux Commands You Probably Missed – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

After four highly appreciated and successful articles in our series on Lesser-Known Linux Commands, we’re excited to bring you the

The post 10 Little-Known Linux Commands You Probably Missed – Part 5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

10 Linux Interview Questions with Examples – Part 3

Tue, 07/01/2025 - 13:29
The post 10 Linux Interview Questions with Examples – Part 3 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Welcome back to our Linux Interview Questions series on Tecmint! We’re truly grateful for the encouraging feedback on the first

The post 10 Linux Interview Questions with Examples – Part 3 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Install ‘atop’ to Monitor Real-Time System Performance

Mon, 06/30/2025 - 14:00
The post How to Install ‘atop’ to Monitor Real-Time System Performance first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

atop is a full-screen performance monitoring tool that provides detailed reports about all system processes, including those that have already

The post How to Install ‘atop’ to Monitor Real-Time System Performance first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Set Up Incremental Backups with rsync and cron on Linux

Mon, 06/23/2025 - 12:59
The post Set Up Incremental Backups with rsync and cron on Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Backups are like insurance; you don’t need them every day, but when disaster strikes, such as accidental file deletion, a

The post Set Up Incremental Backups with rsync and cron on Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Create a Simple IP Blocker Script Using iptables and Fail2Ban

Fri, 06/20/2025 - 14:07
The post How to Create a Simple IP Blocker Script Using iptables and Fail2Ban first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Today, I’m going to show you a simple but effective way to automatically block suspicious IPs using a small script

The post How to Create a Simple IP Blocker Script Using iptables and Fail2Ban first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

5 Bash Scripts I Use Daily as a Linux SysAdmin

Thu, 06/19/2025 - 13:00
The post 5 Bash Scripts I Use Daily as a Linux SysAdmin first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

If you’ve spent any time managing Linux systems, you already know how repetitive and time-consuming some tasks can be. Whether

The post 5 Bash Scripts I Use Daily as a Linux SysAdmin first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

20 Daily Linux Commands System Administrators Use in Production

Wed, 06/18/2025 - 14:58
The post 20 Daily Linux Commands System Administrators Use in Production first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

As a Linux SysAdmin working in a production environment, your daily routine is all about keeping systems stable, secure, and

The post 20 Daily Linux Commands System Administrators Use in Production first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Automate Daily Linux Health Checks with a Bash Script + Cron

Wed, 06/18/2025 - 12:58
The post How to Automate Daily Linux Health Checks with a Bash Script + Cron first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Managing Linux servers daily can be fun and stressful, especially when you’re dealing with unexpected downtimes or service failures. One

The post How to Automate Daily Linux Health Checks with a Bash Script + Cron first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Fix USB Sticks Mounted as Read-Only in Linux

Wed, 06/11/2025 - 15:38
The post How to Fix USB Sticks Mounted as Read-Only in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

If you’ve ever plugged in a USB stick on a Linux machine and found that you can’t copy, delete, or

The post How to Fix USB Sticks Mounted as Read-Only in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Stop and Disable Unwanted Services from Linux System

Mon, 05/26/2025 - 14:00
The post How to Stop and Disable Unwanted Services from Linux System first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

When you build a server according to your plan and requirements, you want it to run quickly and efficiently, right?

The post How to Stop and Disable Unwanted Services from Linux System first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

Top 15 VsFTP Server Interview Questions with Detailed Answers

Mon, 05/26/2025 - 12:00
The post Top 15 VsFTP Server Interview Questions with Detailed Answers first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

FTP stands for File Transfer Protocol and is one of the most widely used and standard protocols over the Internet,

The post Top 15 VsFTP Server Interview Questions with Detailed Answers first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

How to Trigger and Fix a Linux Kernel Panic

Thu, 05/22/2025 - 14:00
The post How to Trigger and Fix a Linux Kernel Panic first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Imagine you’re happily working on your Linux system, maybe compiling a package, running updates, or just browsing and suddenly, your

The post How to Trigger and Fix a Linux Kernel Panic first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

10 Must-Know Linux Commands You Probably Missed – Part 4

Tue, 05/20/2025 - 14:00
The post 10 Must-Know Linux Commands You Probably Missed – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Welcome back to our ongoing journey through the world of powerful but often overlooked Linux commands. If you’ve been following

The post 10 Must-Know Linux Commands You Probably Missed – Part 4 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

LogKeys: Monitor Keyboard Keystrokes in Linux

Mon, 05/19/2025 - 14:00
The post LogKeys: Monitor Keyboard Keystrokes in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Keylogging, short for “keystroke logging” is the process of recording the keys struck on a keyboard, usually without the user’s

The post LogKeys: Monitor Keyboard Keystrokes in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

15 Linux Interview Questions with Answers (Level Up) – Part 2

Mon, 05/19/2025 - 12:00
The post 15 Linux Interview Questions with Answers (Level Up) – Part 2 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

Welcome back to our Linux Interview Questions series on Tecmint! After laying a strong foundation in the first article, we’re

The post 15 Linux Interview Questions with Answers (Level Up) – Part 2 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

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