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base-passwd for Debian ---------------------- This package supplies the "master" copies of /etc/passwd and /etc/group, in /usr/share/base-passwd. It also supplies the utility "update-passwd", which automatically makes sure that uids and gids in the 0-99 range on your system are consistent with the Debian master copies. This means that all entries in the masterfiles in that range have to be present on your system, and only those entries. The reason for not allowing other entries is that Debian reserves that range for future use. All packages assume that the users and groups listed in those master-files are always present on a system. If they are not present for some reason they may break unexpectedly. To ensure your system is correct you can use the update-passwd utility to check it and optionally make the necessary changes. There are some exceptions to this: * root is never removed or changed. If it doesn't exist a root account will be added though. * the home directory for the ftp user is preserved, and it is neither added nor removed automatically since this can affect how FTP daemons handle anonymous access * the home directory for the www-data user is preserved * if a user or group exists but with an uid outside our reserved range we don't change it The following uid/gid pairs have been allocated in the static range 60000-64999. They are created by their respective packages. This is the registry of allocations. Reserved uids: uid | name | description ------+-------------------+--------------- 63434 | netplan | netplan 64000 | ftn | fidogate 64001 | mysql | mysql-server 64005 | tac-plus | tac-plus user 64010 | alias | qmail alias 64011 | qmaild | qmail daemon 64012 | qmails | qmail send 64013 | qmailr | qmail remove 64015 | qmailq | qmail queue 64016 | qmaill | qmail log 64017 | qmailp | qmail pw 64020 | asterisk | asterisk 64025 | vpopmail | vpopmail 64030 | slurm | slurm-llnl package 64035 | hacluster | heartbeat 64045 | ceph | ceph object storage 64050 | opensrf | Evergreen ILS 64055 | libvirt-qemu | libvirt guest migration support 64060 | nova | OpenStack Compute 64061 | cinder | OpenStack Block Storage 64062 | glance | OpenStack Image Reserved gids: gid | name | description ------+-------------------+--------------- 63434 | netplan | netplan 64000 | ftn | fidogate 64001 | mysql | mysql-server 64005 | tac-plus | tac-plus group 64010 | qmail | qmail 64020 | asterisk | asterisk 64025 | vchkpw | vpopmail group 64030 | slurm | slurm-llnl package 64035 | haclient | heartbeat 64040 | grsec-tpe | linux-grsec-base 64041 | grsec-sock-all | linux-grsec-base 64042 | grsec-sock-clt | linux-grsec-base 64043 | grsec-sock-srv | linux-grsec-base 64044 | grsec-proc | linux-grsec-base 64045 | ceph | ceph object storage 64050 | opensrf | Evergreen ILS 64055 | libvirt-qemu | libvirt guest migration support 64060 | nova | OpenStack Compute 64061 | cinder | OpenStack Block Storage 64062 | glance | OpenStack Image (Next uid/gid allocation: 64065.) You *may not* use any uids or gids in the 60000-64999 range without *first* requesting an allocation from base-passwd@packages.debian.org and waiting for confirmation that the allocation has been granted.