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man: comment a requirement about the static user or group when DynamicUser=yes

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Yu Watanabe 2017-10-18 15:30:00 +09:00
parent e2b0cc3415
commit 3bd493dc93
1 changed files with 4 additions and 1 deletions
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man/systemd.exec.xml
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@ -206,7 +206,10 @@
enabled for a unit, the name of the dynamic user/group is implicitly derived from the unit name. If the unit
name without the type suffix qualifies as valid user name it is used directly, otherwise a name incorporating a
hash of it is used. If a statically allocated user or group of the configured name already exists, it is used
and no dynamic user/group is allocated. Dynamic users/groups are allocated from the UID/GID range
and no dynamic user/group is allocated. Note that if <varname>User=</varname> is specified and the static group
with the name exists, then it is required that the static user with the name already exists. Similarly,
if <varname>Group=</varname> is specified and the static user with the name exists, then it is required that
the static group with the name already exists. Dynamic users/groups are allocated from the UID/GID range
61184…65519. It is recommended to avoid this range for regular system or login users. At any point in time
each UID/GID from this range is only assigned to zero or one dynamically allocated users/groups in
use. However, UID/GIDs are recycled after a unit is terminated. Care should be taken that any processes running