不能root要用普通用户

#!/bin/bash
name=$1
useradd -m $name -s /bin/bash 
sub=`echo $name|md5sum|head -c 5` 
echo "$name:$name$sub" >> user.txt
echo "$name:$name$sub" | chpasswd
mkdir -p /home/$name/.ssh
touch /home/$name/.ssh/authorized_keys
chown $name:$name  -R /home/$name