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Linux Tricks - DesignLinux

Oct 03 2020
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    • Linux Commands
How to Switch (su) to Another User Account without Password

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

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Oct 02 2020
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    • Linux Commands
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

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Sep 26 2020
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    • Linux Commands
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

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May 29 2020
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    • Linux Commands
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

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May 29 2020
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    • Linux Commands
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

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