So wechseln Sie Benutzer im Ubunut Terminal
first --
sudo su
then --
su username
Gorgeous Gannet
first --
sudo su
then --
su username# -l changes login name
# -d changes home directory
# -m copies over contents from old home directory
usermod -l <newname> -d /home/<newname> -m <oldname>
# NOTE: will not work if you are currently logged on as user
# - workaround by temporarily enabling root account and running above command there
# [sudo passwd root]
# - after root account has been used to change username lock it using
# [sudo passwd -l root]