CentOS

Learn about gzip command in Linux.

Learn about gzip command in Linux

Certainly! The gzip command in Linux is used to compress and decompress files using the GNU zip (gzip) compression algorithm. It is commonly used to reduce the size of files to save disk space or to prepare files for efficient transfer over networks. The .gz extension is often appended to compressed files. Here’s a detailed

Learn about grep command in Linux.

Learn about grep command in Linux

The grep command in Linux is a powerful utility used for searching and filtering text in files or input streams. It stands for “Global Regular Expression Print” and is primarily used to search for patterns (regular expressions) within text files. Here’s a detailed explanation of how the grep command works: Basic Syntax: Example Usage:Suppose you

Learn about kmod command in Linux.

Learn about mkdir command in Linux

The mkdir command in Linux is used to create directories (folders) in a file system. It stands for “make directory.” The command allows you to specify the name of the directory you want to create, and you can also provide various options and arguments to customize the behavior of the command. Here’s a detailed explanation

Linux, awk

Learn about awk command in Linux

awk is a powerful and versatile text processing tool available in Unix-like operating systems, including Linux. It is primarily used for extracting and manipulating data from text files, particularly when the data is organized in a structured format. awk is often used for tasks such as data extraction, report generation, and data transformation. The basic

Learn about Find command in Linux.

Learn about Find command in Linux

The find command in Linux is a powerful utility used to search for files and directories within a specified directory hierarchy based on various criteria. It’s an essential tool for system administrators and users who need to locate specific files or perform batch operations on files that match certain conditions. The find command provides a

Learn about Linux mv command.

Learn about MV command in Linux

The mv command in Linux is used to move or rename files and directories. It stands for “move,” but it can also be used to rename files and directories within the same location. The mv command is a powerful tool that allows you to manipulate files and directories efficiently. Here’s a detailed explanation of how

Learn about cp command in Linux.

Learn about CP command in Linux

The cp command in Linux is used to copy files and directories from one location to another. It stands for “copy” and is an essential tool for managing and duplicating files. The basic syntax of the cp command is as follows: Here, source represents the file or directory you want to copy, and destination is

Explore the LS command in Linux.

Learn about LS command in Linux

The ls command in Linux is used to list the files and directories in a specified directory. It provides various options and arguments to customize the output and the information displayed. Here’s a detailed explanation of the ls command: Basic Usage: Options: Examples: Note: The above examples cover some commonly used options of the ls

A yellow padlock on a wooden door.

How to generate self-signed certificate in Linux

In this tutorial, I will be using CentOS 7 to generate self-signed certificates. You can use any Linux operating system as long as it is Openssl install. To install Openssl follow the below guide: Openssl installation CentOS, Redhat, Fedora: Ubuntu, Debian Generating certificate with password Command: Interactive view: Verify output Generating certificate without password Command:

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