USERDEL(8) Comandi per la gestione del si USERDEL(8)
NOME
userdel - rimuove l'account di un utente ed i file relativi
SINOSSI
userdel [opzioni] LOGIN
DESCRIZIONE
userdel is a low level utility for removing users. On Debian,
administrators should usually use deluser(8) instead.
The userdel command modifies the system account files, deleting all
entries that refer to the user name LOGIN. The named user must exist.
OPZIONI
The options which apply to the userdel command are:
-f, --force
This option forces the removal of the user account, even if the
user is still logged in. It also forces userdel to remove the
user's home directory and mail spool, even if another user uses the
same home directory or if the mail spool is not owned by the
specified user. If USERGROUPS_ENAB is defined to yes in
/etc/login.defs and if a group exists with the same name as the
deleted user, then this group will be removed, even if it is still
the primary group of another user.
Note: This option is dangerous and may leave your system in an
inconsistent state.
-h, --help
Mostra un messaggio di aiuto ed esce.
-r, --remove
I file nella home directory dell'utente verranno rimossi insieme
alla home directory stessa e alla casella di posta dell'utente. I
file collocati in altri file system dovranno essere cercati e
rimossi manualmente.
The mail spool is defined by the MAIL_DIR variable in the
login.defs file.
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the configuration
files from the CHROOT_DIR directory. Only absolute paths are
supported.
-P, --prefix PREFIX_DIR
Apply changes in the PREFIX_DIR directory and use the configuration
files from the PREFIX_DIR directory. This option does not chroot
and is intended for preparing a cross-compilation target. Some
limitations: NIS and LDAP users/groups are not verified. PAM
authentication is using the host files. No SELINUX support.
-Z, --selinux-user
Rimuove tutti gli utenti SELinux assegnati al login utente.
CONFIGURAZIONE
The following configuration variables in /etc/login.defs change the
behavior of this tool:
FILE
/etc/group
Informazioni sugli account di gruppo.
/etc/login.defs
Configurazione del pacchetto password shadow
/etc/passwd
Informazioni sugli account utente.
/etc/shadow
Informazioni sicure sugli account utente.
/etc/shadow-maint/userdel-pre.d/*, /etc/shadow-maint/userdel-post.d/*
Run-part files to execute during user deletion. The environment
variable ACTION will be populated with userdel and SUBJECT with the
username. userdel-pre.d will be executed prior to any user
deletion. userdel-post.d will execute after user deletion. If a
script exits non-zero then execution will terminate.
/etc/subgid
Per user subordinate group IDs.
/etc/subuid
Per user subordinate user IDs.
VALORI RESTITUITI
The userdel command exits with the following values:
0
success
1
can't update password file
2
invalid command syntax
6
specified user doesn't exist
8
user currently logged in
10
can't update group file
12
can't remove home directory
AVVISI/CAVEAT
userdel will not allow you to remove an account if there are running
processes which belong to this account. In that case, you may have to
kill those processes or lock the user's password or account and remove
the account later. The -f option can force the deletion of this
account.
Occorre controllare manualmente tutti i file system per assicurarsi che
non rimanga nessun file di proprietà di questo utente.
Non è possibile rimuovere nessun attributo NIS su un client NIS. Questo
deve essere fatto sul server NIS.
If USERGROUPS_ENAB is defined to yes in /etc/login.defs, userdel will
delete the group with the same name as the user. To avoid
inconsistencies in the passwd and group databases, userdel will check
that this group is not used as a primary group for another user, and
will just warn without deleting the group otherwise. The -f option can
force the deletion of this group.
VEDERE ANCHE
chfn(1), chsh(1), passwd(1), login.defs(5), gpasswd(8), groupadd(8),
groupdel(8), groupmod(8), subgid(5), subuid(5), useradd(8), usermod(8).
shadow-utils 4.13 23/03/2023 USERDEL(8)
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