linux grupos usuarios e comandos.txt

sudo useradd ahitt
[sudo] password for everton:
useradd: user 'ahitt' already exists
useradd ahitt
useradd: user 'ahitt' already exists
useradd ctee
useradd: user 'ctee' already exists
sudo useradd kath
sudo useradd ahitt
useradd: user 'ahitt' already exists
usermod -c "representante de vendas" ahitt
usermod: Permission denied.
usermod: cannot lock /etc/passwd; try again later.
sudo usermod -c "representante de vendas" ahitt
sudo usermod -e 2024-10-25
Usage: usermod [options] LOGIN

Options:
  -b, --badnames                allow bad names
  -c, --comment COMMENT         new value of the GECOS field
  -d, --home HOME_DIR           new home directory for the user account
  -e, --expiredate EXPIRE_DATE  set account expiration date to EXPIRE_DATE
  -f, --inactive INACTIVE       set password inactive after expiration
                                to INACTIVE
  -g, --gid GROUP               force use GROUP as new primary group
  -G, --groups GROUPS           new list of supplementary GROUPS
  -a, --append                  append the user to the supplemental GROUPS
                                mentioned by the -G option without removing
                                the user from other groups
  -h, --help                    display this help message and exit
  -l, --login NEW_LOGIN         new value of the login name
  -L, --lock                    lock the user account
  -m, --move-home               move contents of the home directory to the
                                new location (use only with -d)
  -o, --non-unique              allow using duplicate (non-unique) UID
  -p, --password PASSWORD       use encrypted password for the new password
  -R, --root CHROOT_DIR         directory to chroot into
  -P, --prefix PREFIX_DIR       prefix directory where are located the /etc/* files
  -s, --shell SHELL             new login shell for the user account
  -u, --uid UID                 new UID for the user account
  -U, --unlock                  unlock the user account
  -v, --add-subuids FIRST-LAST  add range of subordinate uids
  -V, --del-subuids FIRST-LAST  remove range of subordinate uids
  -w, --add-subgids FIRST-LAST  add range of subordinate gids
  -W, --del-subgids FIRST-LAST  remove range of subordinate gids
  -Z, --selinux-user SEUSER     new SELinux user mapping for the user account

sudo usermod -c "repreeentante de vendas" ahitt -e 2024-10-25
sudo usermod -c "gerente de rh" ctee -e 2024-10-25
pwd
/home/everton
sudo usermod ahitt -p P@ssword1234!!
sudo usermod ahitt -p P@ssword1234pwd
sudo getent passwd | cut -d: -f1
root
daemon
bin
sys
sync
games
man
lp
mail
news
uucp
proxy
www-data
backup
list
irc
gnats
nobody
systemd-network
systemd-resolve
systemd-timesync
messagebus
syslog
_apt
tss
uuidd
tcpdump
sshd
landscape
pollinate
everton
ahitt
ctee
kath
sudo groupadd vendas
sudo groupadd rh
sudo groupadd pessoal
sudo groupadd CEO
sudo groupadd expedicao
sudo groupadd gerentes
sudo gpasswd -a ahitt vendas
Adding user ahitt to group vendas
sudo gpasswd -a ctee rh
Adding user ctee to group rh
sudo gpasswd -a ctee gerentes
Adding user ctee to group gerentes
#aswd gerentes fancyawesomeunicornsuperlong123!!!
pwd
/home/everton
sudo groupadd vendas
groupadd: group 'vendas' already exists
sudo groupadd rh
groupadd: group 'rh' already exists
sudo groupadd financas
sudo groupadd pessoal
groupadd: group 'pessoal' already exists
sudo groupadd CEO
groupadd: group 'CEO' already exists
sudo groupadd expedicao
groupadd: group 'expedicao' already exists
sudo groupadd gerentes
groupadd: group 'gerentes' already exists
sudo -a -G vendas ahitt
usage: sudo -h | -K | -k | -V
usage: sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]
usage: sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user]
            [command]
usage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p
            prompt] [-T timeout] [-u user] [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p
            prompt] [-T timeout] [-u user] file ...