Auth: Jin

Date: 20140403

Content: 

1 #!/bin/bash - 2 ### auth: Jin 3 ### date: 20140311 4 ### Desc: 创建没有写入权限的普通用户，创建修改随机密码脚本changepassword.sh并将脚本加入crontab  5 ### Usage: ./tmp.sh  6  7 #user and permit 8 groupadd viewer && useradd viewer -g viewer && cat /proc/sys/kernel/random/uuid|passwd --stdin viewer && printf "umask 222\n" >> ~viewer/.bashrc && chmod 500 /home/viewer 9 #ssh key10 mkdir ~viewer/.ssh/ && cp ~root/.ssh/authorized_keys ~viewer/.ssh/11 12 13 #change password shell14 mkdir -p  /home/gbin && touch /home/gbin/changepassword.sh && chmod 750 /home/gbin/changepassword.sh15 #content16 shellcontent="#/bin/bash17 ### auth: Jin18 ### date: 2014031119 20 secret=\`cat /proc/sys/kernel/random/uuid | cut -d'-' -f1,3,5\`21 22 passwd <
     
       /home/gbin/changepassword.sh << EOF34 $shellcontent35 EOF36 37 #注意几个转意的地方38 #add crontal39 cat >> /var/spool/cron/root << EOF40 0 2 * * * /home/gbin/changepassword.sh >> /home/gbin/changepassword.log 2>&141 EOF42 43 #test change password shell44 /home/gbin/changepassword.sh >> /home/gbin/changepassword.log 2>&1 && cat /home/gbin/changepassword.log45 46 trap "rm -f ./tmp.sh;exit" 0