Learn how to add, delete, and grant sudo privileges to users in Red Hat Enterprise Linux (RHEL), AlmaLinux and Rocky Linux.

はじめてLinuxに触れる初心者にとって最初の壁となる存在、それがコマンドラインである。WindowsやmacOSのGUI、あるいはスマホのタッチUIしか知らないユーザにとって、ターミナルエミュレータにコマンドラインを入力し、さまざまな作業を行うことはかなり ...

To start your journey with the Linux command line, it's important to know a few things before diving in. These aspects of the terminal are fundamental to getting the most out of the tool. Shall we ...

T he usermod command is a tool for updating details about an existing user account in your system. It's kind of like editing ...

Linuxの基本＆コマンドの作法をまとめた入門書。巻頭＆巻末には， 基本コマンドのQuickリファレンスを特別収録。 本書では， Linuxシステムの「今の基本」を押さえつつ， コマンドラインの基礎知識＆テクニックを平易に解説。ユーザーやファイル ...

You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...

Getting started on the Linux command line might seem overwhelming at first, but the many commands you need to use will fall into place more quickly than you might imagine. If you are just getting ...

I use Linux for both desktop and server. My preference for a server OS is one without a GUI, which means I have to turn to a lot of command-line tools. In some cases, I prefer to use the same ...

You can check user groups in Linux with commands like groups, id, getent, and /etc/group to manage permissions easily.