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76 lines
1.7 KiB
Markdown
76 lines
1.7 KiB
Markdown
# The `useradd` command
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Creates new users.
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1. [TL;DR](#tldr)
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1. [Sources](#sources)
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## TL;DR
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```sh
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# Create *regular* (non-system) users.
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sudo useradd 'username'
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sudo useradd -p 'encrypted password' 'username'
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sudo useradd --password 'encrypted password' 'username'
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# Create *system* users without an home directory.
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sudo useradd -r 'username'
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sudo useradd --system 'username'
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# Specify the user ID.
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sudo useradd -u '1005' …
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sudo useradd --uid '1002' …
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# Specify the primary group.
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sudo useradd -g '100' …
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sudo useradd --gid 'users' …
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# Specify the expiration date.
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sudo useradd -e '2022-10-10' …
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sudo useradd --expiredate '2022-04-13' …
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# Specify the login shell.
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sudo useradd -s '/bin/bash' …
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sudo useradd --shell '/usr/bin/fish' …
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# Add the new users to *additional* groups.
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sudo useradd -G 'audio' …
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sudo useradd --groups 'video,wheel' …
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# Force the creation of the new users' default home directory.
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sudo useradd -m …
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sudo useradd --create-home …
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# Avoid the creation of the new users' default home directory.
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sudo useradd -M …
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sudo useradd --no-create-home …
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# Force the creation of a group with the same name as the users.
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sudo useradd -U …
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sudo useradd --user-group …
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# Avoid the creation of a group with the same name as the users.
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sudo useradd -N …
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sudo useradd --no-user-group …
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# Create the users' home directory with specific template files.
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sudo useradd -k 'path/to/template/directory' -m …
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sudo useradd --skel 'path/to/template/directory' -m …
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# Create a regular user with a home directory and the 'users' group as its
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# primary group.
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sudo useradd -mN -g 'users' -p '1234' 'user'
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```
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## Sources
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- [cheat.sh]
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<!--
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References
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-->
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<!-- Others -->
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[cheat.sh]: https://cheat.sh/useradd
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