创建免密码sudo用户
#!/bin/bash c1=`grep -w ‘bkuser‘ /etc/passwd | wc -l` if [ "$c1" -eq 1 ]; then echo "bkuser已经存在" c2=`grep -w ‘bkuser‘ /etc/sudoers | wc -l` if [ "$c2" -ge 1 ]; then echo "bkuser sudo成功." exit else echo "bkuser sudo失败" cp /etc/sudoers /etc/sudoers.bak.`date +%Y_%m_%d_%S` >/dev/null echo "bkuser ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers sleep 1 echo "bkuser sudo已成功添加" fi else echo "bkuser不存在" useradd bkuser echo "1234567" | passwd --stdin bkuser >/dev/null cp /etc/sudoers /etc/sudoers.bak.`date +%Y_%m_%d_%S` echo "bkuser ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers echo "bkuser已经成功添加,且加入sudo" sleep 2 c2=`grep -w ‘bkuser‘ /etc/sudoers | wc -l` if [ "$c2" -ge 1 ]; then echo "bkuser sudo成功." exit else echo "bkuser sudo失败" cp /etc/sudoers /etc/sudoers.bak.`date +%Y_%m_%d_%S` >/dev/null echo "bkuser ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers sleep 1 echo "bkuser sudo已成功添加" exit fi fi