Simple nginx,mysql,http Daemon Boot program

#!/bin/bash  #shell自检启动守护程序   #有时候服务进程会挂掉, can run a daemon script, detect running status, start, email checkmysql= ' pgrep mysql '   checknginx= ' Pgrep nginx '  checkhttpd= ' pgrep httpd '   while : do      date=$ (date + "%y-%m-%d %h:%m:%s")           if [ -n  "$checkMysql"  ]; then                  echo  ' Mysql normal '  >/dev/null 2 >&1         else                  /usr/local/mysql/bin/mysqld_safe -- defaults-file=/usr/local/mysql/my.cnf                  echo  ' checked error: mysqld at  '   $date  > > /root/server_error.log                  #send  mail        fi           if [ -n  "$checkNginx"  ]; then                  echo  ' Nginx normal '  >/dev/null  2>&1         else                  /usr/local/nginx/sbin/nginx                  echo  ' checked error: nginx at  '   $date  >> /root/server_error.log                   #send  mail         fi          if [ -n  "$CHECKHTTPD"  ]; then                  echo  ' Httpd normal '  >/dev/null 2>&1          else                  /usr/local/apache/bin/apachectl start                  echo  ' Checked error: httpd at   '   $date  >> /root/server_error.log                   #send  mail         fi           #休眠           sleep&nbsP;5 done 

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Simple nginx,mysql,http Daemon Boot program