# chpasswd命令使用起来很简洁 [root@host_221-81 ~]# echo "qa:1234" | chpasswd # 使用passwd命令，也能够实现非交互式修改密码 [root@host_221-81 ~]# echo "1234" | passwd --stdin "qa" Changing password for user qa. passwd: all authentication tokens updated successfully.