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 account), we want every user (typically our PostgreSQL database and system administrators) in the group called postgres to switch to the
Linux Commands - DesignLinux
How to Force cp Command to Overwrite without Confirmation
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 to force the cp command to overwrite a copy operation without confirmation in Linux. Related Article: 10 SCP Commands to Transfer
How to Add or Remove a User from a Group in Linux
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 from creating, updating, and deleting user accounts or user groups on a Linux system. In this short quick article, you will
Install Linux from USB Device or Boot into Live Mode Using Unetbootin and dd Command
Installing Linux from a USB mass storage device or logging into Live Linux Environment is a cool Idea. Booting from a USB mass storage device is sometimes necessary, especially when the ROM media device is not working. Booting Windows from a USB mass storage device is not difficult, and with the availability of various software,
Diskonaut – A Terminal Disk Space Navigator for Linux
diskonaut is a simple terminal disk space navigator built using Rust and supports Linux and macOS. To use it, specify an absolute path in your file system, for example, /home/tecmint or run it in the directory of interest, it will scan the directory and maps it to memory enabling you to explore its contents. It
CDIR – A Faster Way to Navigate Folders and Files on Linux
Are you tired of running multiple cd commands and ls commands while searching files and directories on your system? cdir is a cool and easy-to-use command-line utility that provides a pleasant way to navigate the bash shell and search for files. It is written in Python and uses the curses module. Let’s briefly have an
4 Ways to Generate a Strong Pre-Shared Key (PSK) in Linux
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 is held by both parties to the communication to authenticate each other, usually before other authentication methods such as usernames and
How to Append Text to End of File in Linux
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 a file. In this short article, you will learn different ways to append text to the end of a file in
Zaloha.sh – A Simple Local Directory Synchronizer Script for Linux
Zaloha.sh is a tiny and simple shell script used to synchronize two local directories: a source directory and a backup directory. It employs standard Linux/Unix tools such as find, sort, awk, mkdir, rmdir, cp and rm to support its underlying functionality. Zaloha obtains information about the directories and files via the find command. Both directories
How to Compress Files Faster with Pigz Tool in Linux
Written by Mark Adler, Pigz is an acronym for Parallel Implementation of GZip. It’s a nifty compression tool that helps you compress files with blazing fast speeds. As an improvement of the good old gzip utility, it leverages multiple cores and processors to compress data. This guide shines more light on Pigz and takes you