一行代码修改Linux机器密码和Samba服务密码

passwd=**** && (echo $passwd;echo $passwd) | sudo -A smbpasswd username -s
options:
  -L                   local mode (must be first option)
  -h                   print this usage message
  -s                   use stdin for password prompt #-s就是标准输出
  -c smb.conf file     Use the given path to the smb.conf file
  -D LEVEL             debug level
  -r MACHINE           remote machine
  -U USER              remote username (e.g. SAM/user)
extra options when run by root or in local mode:
  -a                   add user
  -d                   disable user
  -e                   enable user
  -i                   interdomain trust account
  -m                   machine trust account
  -n                   set no password
  -W                   use stdin ldap admin password
  -w PASSWORD          ldap admin password
  -x                   delete user
  -R ORDER             name resolve order

echo "password" |passwd --stdin user
Usage: passwd [OPTION...] <accountName>
  -k, --keep-tokens       keep non-expired authentication tokens
  -d, --delete            delete the password for the named account (root only)
  -l, --lock              lock the password for the named account (root only)
  -u, --unlock            unlock the password for the named account (root only)
  -e, --expire            expire the password for the named account (root only)
  -f, --force             force operation
  -x, --maximum=DAYS      maximum password lifetime (root only)
  -n, --minimum=DAYS      minimum password lifetime (root only)
  -w, --warning=DAYS      number of days warning users receives before password expiration (root only)
  -i, --inactive=DAYS     number of days after password expiration when an account becomes disabled (root only)
  -S, --status            report password status on the named account (root only)
  --stdin                 read new tokens from stdin (root only)

   70  echo "zgh234" |passwd --stdin root
   71  history
   72  passwd --help
   73  history