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Rrc en 21:21 16 oct 2014
2014-10-16T21:21:07Z
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* [[:#userdel | userdel]]<br />
<br />
== userdel ==<br />
<br />
<syntaxhighlight lang="bash"><br />
<br />
Userdel puede modificar /etc/passwd, /etc/shadow, /etc/gshadow y /etc/group.<br />
También puede crear los carpetas de hogar y archivos spool de correo.<br />
Su comportamiento se define mediante el archivo /etc/login.defs.<br />
<br />
[root@Llawyr ~]# userdel --help<br />
Usage: userdel [options] LOGIN<br />
<br />
Options:<br />
-f, --force force removal of files,<br />
even if not owned by user<br />
-h, --help display this help message and exit<br />
-r, --remove remove home directory and mail spool<br />
-R, --root CHROOT_DIR directory to chroot into<br />
<br />
[root@Llawyr ~]# userdel DelMe1<br />
<br />
[root@Llawyr ~]# tail -n 5 /etc/passwd /etc/group /etc/shadow /etc/gshadow<br />
==> /etc/passwd <==<br />
sshd:x:485:476:system user for openssh:/var/empty:/bin/true<br />
chrony:x:484:475:system user for chrony:/var/lib/chrony:/sbin/nologin<br />
nobody:x:65534:65534:Nobody:/:/bin/sh<br />
rrc:x:500:500:Richard Couture:/home/rrc:/bin/bash<br />
DelMe2:x:502:502:Del Me 2:/mnt/DelMe2:/usr/sbin/nologin<br />
<br />
==> /etc/group <==<br />
sshd:x:476:<br />
chrony:x:475:<br />
lpadmin:x:474:<br />
rrc:x:500:<br />
DelMe2:x:502:<br />
<br />
==> /etc/shadow <==<br />
gdm:!:16335::::::<br />
sshd:!:16335::::::<br />
chrony:!:16335::::::<br />
rrc:$2a$08$BlahBlahBlah:16335:0:99999:7:::<br />
DelMe2:!:16359:0:99999:7:::<br />
<br />
==> /etc/gshadow <==<br />
sshd:!::<br />
chrony:!::<br />
lpadmin:!::<br />
rrc:!::<br />
DelMe2:!::<br />
<br />
[root@Llawyr ~]# ls -al /home<br />
total 32<br />
drwxr-x--x 5 root adm 4096 Oct 16 15:40 ./<br />
drwxr-xr-x 20 root adm 4096 Oct 14 10:24 ../<br />
drwxr-xr-x 4 501 501 4096 Oct 16 15:40 DelMe1/<br />
drwxr-x--x 2 root root 16384 Jul 29 05:50 lost+found/<br />
drwxr-x--x 49 rrc rrc 4096 Oct 16 15:39 rrc/<br />
<br />
[root@Llawyr ~]# userdel -r DelMe1<br />
userdel: user 'DelMe1' does not exist<br />
<br />
[root@Llawyr ~]# echo $?<br />
6<br />
<br />
[root@Llawyr ~]# userdel -r DelMe2<br />
userdel: DelMe2 mail spool (/var/spool/mail/DelMe2) not found<br />
<br />
[root@Llawyr ~]# echo $?<br />
0<br />
<br />
[root@Llawyr ~]# tail -n 5 /etc/passwd /etc/group /etc/shadow /etc/gshadow<br />
==> /etc/passwd <==<br />
gdm:x:486:477:system user for gdm:/var/lib/gdm:/bin/false<br />
sshd:x:485:476:system user for openssh:/var/empty:/bin/true<br />
chrony:x:484:475:system user for chrony:/var/lib/chrony:/sbin/nologin<br />
nobody:x:65534:65534:Nobody:/:/bin/sh<br />
rrc:x:500:500:Richard Couture:/home/rrc:/bin/bash<br />
<br />
==> /etc/group <==<br />
gdm:x:477:<br />
sshd:x:476:<br />
chrony:x:475:<br />
lpadmin:x:474:<br />
rrc:x:500:<br />
<br />
==> /etc/shadow <==<br />
lightdm:!:16335::::::<br />
gdm:!:16335::::::<br />
sshd:!:16335::::::<br />
chrony:!:16335::::::<br />
rrc:$2a$08$BlahBlahBlah:16335:0:99999:7:::<br />
<br />
==> /etc/gshadow <==<br />
gdm:!::<br />
sshd:!::<br />
chrony:!::<br />
lpadmin:!::<br />
rrc:!::<br />
<br />
[root@Llawyr ~]# ls -al /mnt<br />
total 8<br />
drwxr-x--- 2 root adm 4096 Oct 16 16:02 ./<br />
drwxr-xr-x 20 root adm 4096 Oct 14 10:24 ../<br />
<br />
The userdel command exits with the following values:<br />
<br />
0<br />
success<br />
<br />
1<br />
can't update password file<br />
<br />
2<br />
invalid command syntax<br />
<br />
6<br />
specified user doesn't exist<br />
<br />
8<br />
user currently logged in<br />
<br />
10<br />
can't update group file<br />
<br />
12<br />
can't remove home directory<br />
<br />
</syntaxhighlight><br />
<br />
[[Category:Comandos de la terminal]]</div>
Rrc