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Linux Tricks

Find Which Process Using Port in Linux

3 Ways to Find Out Which Process Listening on a Particular Port

6 Comments

A port is a logical entity that represents an endpoint of communication and is associated with a given process or service in an operating system. In previous articles, we explained how to find out

Check Hardware and System Information in Linux

10 Commands to Collect System and Hardware Info in Linux

38 Comments

It is always a good practice to know the hardware components of your Linux system is running on, this helps you to deal with compatibility issues when it comes to installing packages, drivers on

Find Largest Files and Directories Size in Linux

How to Find Out Top Directories and Files (Disk Space) in Linux

21 Comments

As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find unnecessary junk and free up them from your hard disk. This

Switch to Another User without Password

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

2 Comments

In this guide, we will show how to switch to another or a specific user account without requiring a password. For example, we have a user account called postgres (the default PostgreSQL superuser system

Force cp Command to Overwrite without Confirmation

How to Force cp Command to Overwrite without Confirmation

9 Comments

The cp command (which stands for a copy) is one of the commonly used commands on Linux and other UNIX-like operating systems, for copying files and directories. In this guide, we will show how

Add- User to Group in Linux

How to Add or Remove a User from a Group in Linux

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Linux is by default a multi-user system (meaning many users can connect to it simultaneously and work), thus user management is one of the fundamental tasks of a system administrator. User management includes everything

Search Strings in Files Linux

6 Best CLI Tools to Search Plain-Text Data Using Regular Expressions

2 Comments

This guide takes a tour of some of the best command-line tools that are used for searching matching strings or patterns in text files. These tools are usually used alongside regular expressions – shortened

Append Text to File in Linux

How to Append Text to End of File in Linux

4 Comments

While working with configuration files in Linux, sometimes you need to append text such as configuration parameters to an existing file. To append simply means to add text to the end or bottom of

Generate Pre Shared Key in Linux

4 Ways to Generate a Strong Pre-Shared Key (PSK) in Linux

5 Comments

A Pre-Shared Key (PSK) or also known as a shared secret is a string of characters that is used as an authentication key in cryptographic processes. A PSK is shared before being used and

Increase Linux Inodes on Filesystem

How to Increase Disk Inode Number in Linux

9 Comments

When a new file system is created on a partition on a disk in Linux, and the kernel keeps aside space for inodes during the initial structuring of the file system. The number of

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Learn Linux Commands and Tools

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

10 Useful du (Disk Usage) Commands to Find Disk Usage of Files and Directories

Cheat – An Ultimate Command Line ‘Cheat-Sheet’ for Linux Beginners and Administrators

6 WC Command Examples to Count Number of Lines, Words, Characters in Linux

15 Examples of How to Use New Advanced Package Tool (APT) in Ubuntu/Debian

How to Force cp Command to Overwrite without Confirmation

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Linux Server Monitoring Tools

Iotop – Monitor Linux Disk I/O Activity and Usage Per-Process Basis

Configure Collectd as a Central Monitoring Server for Clients

How to Install Tripwire IDS (Intrusion Detection System) on Linux

How to Use Nmap Script Engine (NSE) Scripts in Linux

Limit CPU Usage of a Process in Linux with CPULimit Tool

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

Learn Linux Tricks & Tips

12 Useful PHP Commandline Usage Every Linux User Must Know

3 Useful Hacks Every Linux User Must Know

How to Count Word Occurrences in a Text File

2 Ways to Create an ISO from a Bootable USB in Linux

How to Create Hard and Symbolic Links in Linux

How to Disable Shutdown and Reboot Commands in Linux

Best Linux Tools

9 Best Twitter Clients for Linux That You Will Love to Use

25 Free Open Source Applications I Found in Year 2021

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5 Most Frequently Used Open Source Shells for Linux

10 Useful Tools to Create Bootable USB from an ISO Image

16 Open Source Cloud Storage Software for Linux in 2020

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