LINUXOPOLIS ( 2019-08-07 ) ~ Users
USERS
Published with SteemPeakSUMMARY
01 USERS .............................................................. v1 19-07
04 config ............................................................. v1 19-07
03 create ............................................................. v1 19-07
05 modify ............................................................. v1 19-07
06 delete ............................................................. v2 19-08 update
02 sources ............................................................ v1 19-07
#06
06 DELETE
# userdel -r user1 // low level utility
# deluser --remove-home user1 // wrapper - Debian tool
# passwd -l user1 // lock
# passwd -u user1 // unlock
$ man userdel
05 MODIFY
# usermod -c "Another full name" user1
# chown -R user1:user1 /home/userxyz
# vim /etc/sudoers
$ man usermod
04 CONFIG
# vim /etc/default/useradd
# vim /etc/passwd
# vim /etc/shadow
# vim /etc/group
03 CREATE
VERSION I
# ls -lisa /etc/skel
# vim /etc/adduser.conf
# adduser user1
# passwd -S user1
$ clear; finger; echo; finger user1; echo
$ id user1
VERSION II
# ls -lisa /etc/skel
# useradd -D
# vim /etc/default/useradd
# useradd user1 // Default
# useradd user1 -c "User's full name" -d /home/test -u 1099 // Modified
# passwd user1
# passwd -S user1
$ clear; finger; echo; finger user1; echo
$ id user1
$ man useradd
$ man adduser // Wrapper
02 SOURCES
DebianAdmin : debianadmin.com/users-and-groups-administration-in-linux.html
Manpages $ man useradd usermod userdel adduser deluser
01 USERS
# passwd -S user1
$ clear; finger; echo; finger user1; echo
$ cut -d: -f1 < /etc/passwd | sort | xargs
# find /home -uid 1000 | wc -l
# find /home -uid 1000 | tee 1000-files.txt
# find / -uid 1000 -exec chown -v 1002:1002 {} \;
$ id -u root
$ id -u user1
$ id user1
$ fuser -v /media/xyz
$ getent passwd user1
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