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Manual.md: document system accounts with underscore requirement.

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maxice8 2018-09-06 16:21:55 -03:00
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@ -1032,8 +1032,8 @@ by blanks. Optionally the **gid** can be specified by delimiting it with a
colon, i.e `system_groups="mygroup:78"` or `system_groups="foo blah:8000"`.
- `system_accounts` This specifies the names of the new **system users/groups** to be created,
separated by blanks, i.e `system_accounts="foo blah:22"`. Optionally the **uid** and **gid**
can be specified by delimiting it with a colon, i.e `system_accounts="foo:48"`.
separated by blanks, i.e `system_accounts="_foo _blah:22"`. Optionally the **uid** and **gid**
can be specified by delimiting it with a colon, i.e `system_accounts="_foo:48"`.
Additional variables for the **system accounts** can be specified to change its behavior:
- `<account>_homedir` the home directory for the user. If unset defaults to `/var/empty`.
@ -1046,6 +1046,12 @@ The **system user** is created by using a dynamically allocated **uid/gid** in y
and it's created as a `system account`, unless the **uid** is set. A new group will be created for the
specified `system account` and used exclusively for this purpose.
System accounts must be prefixed with an underscore to prevent clashing with names of user
accounts.
> NOTE: The underscore policy does not apply to old packages, due to the inevitable breakage of
> changing the username only new packages should follow it.
<a id="32bit_pkgs"></a>
### 32bit packages