linux 自动检查ssh脚本

check_ssh.sh

#!/bin/bash

#*/5 * * * * /home/check_ssh.sh                                                                   
process_day=`date -d today +"%Y-%m-%d %H:%M"`                                
process=`ps -ef | grep -v 'grep' | grep "\<sshd\>" | awk '{print $2}' |wc -l`
my_log="/home/check_sshd.log"                                   
if [ $process -gt 0 ]                                                        
then                                                                         
   echo ${process_day} "sshd is running" >> $my_log                          
else                                                                         
   echo ${process_day} >> $my_log                                            
  /etc/init.d/sshd start >> $my_log                                          
fi