bash Cookbook by Carl Albing and JP Vossen

Author:Carl Albing and JP Vossen
Language: eng
Format: mobi, pdf
Publisher: O'Reilly Media, Inc.
Published: 2017-10-19T16:00:00+00:00

Tip

When sudo asks for your password, it’s really asking for your password. As in, your user account. Not root. For some reason people often get confused by this at first.

Discussion

Unfortunately, sudo is not installed by default on every system. It is usually installed on Linux, macOS, and OpenBSD; other systems will vary. You should consult your system’s documentation and install it if it’s not already there.

Warning

You should always use visudo to edit your /etc/sudoers file. Like vipw, visudo locks the file so that only one person can edit it at a time, and it performs some syntax sanity checks before replacing the production file so that you don’t accidentally lock yourself out of your system.

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