X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsysusers.d.xml;h=ac2db98853a367e2926c7593e80920b263901f6f;hb=92ff080be100aff15f292e2631921131c610afe7;hp=58f24a62f5f80d060713db302ea2f8016a5784d5;hpb=cbfaff65cb086e3eb3709cf86dcf63b46622389b;p=elogind.git diff --git a/man/sysusers.d.xml b/man/sysusers.d.xml index 58f24a62f..ac2db9885 100644 --- a/man/sysusers.d.xml +++ b/man/sysusers.d.xml @@ -19,7 +19,8 @@ You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . --> - + sysusers.d @@ -77,13 +78,14 @@ configuration. The file format is one line per user or group - containing name, ID and GECOS field description: + containing name, ID, GECOS field description and home directory: # Type Name ID GECOS u httpd 440 "HTTP User" u authd /usr/bin/authd "Authorization user" g input - - -m authd input +m authd input +u root 0 "Superuser" /root Type @@ -103,11 +105,13 @@ m authd input bearing the same name. The user's shell will be set to /sbin/nologin, - the home directory to - /. The - account will be created - disabled, so that logins are - not allowed. + the home directory to the + specified home directory, or + / if none + is given. The account will be + created disabled, so that + logins are not + allowed. @@ -131,6 +135,25 @@ m authd input will be implicitly created. + + + r + Add a range of + numeric UIDs/GIDs to the pool + to allocate new UIDs and GIDs + from. If no line of this type + is specified the range of + UIDs/GIDs is set to some + compiled-in default. Note that + both UIDs and GIDs are + allocated from the same pool, + in order to ensure that users + and groups of the same name + are likely to carry the same + numeric UID and + GID. + + @@ -151,6 +174,10 @@ m authd input For m lines this field should contain the user name to add to a group. + + For lines of type r + this field should be set to + -. @@ -160,8 +187,8 @@ m authd input g the numeric 32bit UID or GID of the user/group. Do not use IDs 65535 or 4294967295, as they have special placeholder - meanings. Specify "-" for automatic UID/GID - allocation for the user or + meanings. Specify - for + automatic UID/GID allocation for the user or group. Alternatively, specify an absolute path in the file system. In this case the UID/GID is read from the path's owner/group. This is @@ -172,6 +199,14 @@ m authd input For m lines this field should contain the group name to add to a user to. + + For lines of type r + this field should be set to a UID/GID range in + the format FROM-TO where + both values are formatted as decimal ASCII + numbers. Alternatively, a single UID/GID may + be specified formatted as decimal ASCII + numbers. @@ -183,13 +218,32 @@ m authd input Only applies to lines of type u and should otherwise be - left unset. + left unset, or be set to + -. + + + + Home Directory + + The home directory for a new system + user. If omitted defaults to the root + directory. It is recommended to not + unnecessarily specify home directories for + system users, unless software strictly + requires one to be set. + + Only applies to lines of type + u and should otherwise be + left unset, or be set to + -. + + - Overriding vendor configuration + Idempotence Note that systemd-sysusers will do nothing if the specified users or groups @@ -197,31 +251,13 @@ m authd input sysusers.d vendor configuration, except to block certain users or groups from being created. - - Files in /etc/sysusers.d - override files with the same name in - /usr/lib/sysusers.d and - /run/sysusers.d. Files in - /run/sysusers.d override files - with the same name in - /usr/lib/sysusers.d. The scheme is the same as for - tmpfiles.d5, - except for the directory name. - - If the administrator wants to disable a - configuration file supplied by the vendor, the - recommended way is to place a symlink to - /dev/null in - /etc/sysusers.d/ bearing the - same filename. See Also systemd1, - systemd-sysusers8, - tmpfiles.d5 + systemd-sysusers8