Linux Create system administrator user

Ubuntu Add System User (below)

[Email protected]:~# sudo useradd-s/bin/bash-mr solin[email protected]:~# passwd solin [email protected]:~# sudo adduse R Solin sudo# View created user [email protected]:~# cat/etc/passwd ...

View Help

[email protected]:~# useradd --help  usage: useradd [option]  Login        useradd -d      useradd -d [options] Option:   -b,  --base-dir base_dir the base directory of the new account's home directory   -c, --comment COMMENT           New Account  GECOS  fields   -d, --home-dir HOME_DIR         the home directory of the new account   -d, --defaults display or change the default  useradd  configuration   - e, --expiredate expire_date   expiration date of new account   -f, --inactive INACTIVE         new account's password inactivity period   -g, --gid group The name of the new owner group or  ID   -g, --groups groups List of additional groups for new accounts   -h, --help                      displays this help information and launches   -k,  --skel skel_dir useThis directory is used as skeleton directory   -K, --key KEY=VALUE             Do not use the default value in  /etc/login.defs    -l, --no-log-init do not add this user to the most recent logon and logon failure database   -m ,  --create-home creates a user's home directory   -m, --no-create-home does not create a user's home directory   -n, -- No-user-group does not create a group with the same name   -o, --non-unique allow duplicate  UID  create user   -p, --password New account password after  password encryption   -r, --system                    Create a System account   -r, --root chroot_dir          chroot  to the directory   -s, --shell  Shell New Account Login  shell  -u, --uid uid new account user  id  -u, -- User-group Create a group with the same name as the user   -z, --selinux-user seuser use the specified  seuser for the  SELinux  user mappings

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Linux Create system administrator user