安装nmap：
yum install nmap -y
nmap 127.0.0.1
脚本
vim apache_is_start.sh
chmod 755 apache_is_start.sh
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
#!/bin/bash# 判断apache是否启动# Author:James 2016-10-14# apache所在机器的IP(默认apache端口为80)ipport=127.0.0.1# 获取apache是否启动状态(通过-w全量匹配tcp的80端口)isopen=$(nmap $ipport| grep -w 80/tcp | grep http | awk '{print $2}')
if [ "$isopen" == "open" ]
then
echo "$(date) httpd is ok!" >> /tmp/apache.log
else
# 启动apache
/etc/rc.d/init.d/httpd start &>/dev/null
echo "$(date) restart httpd!" >> /tmp/apache-err.log
fi |