一、通过定时收发email检测网络连通性
#/bin/bash
echo "Daily test mail" > state.txt
mail -s Server_State abc@jb51.net < state.txt
rm -df ./state.txt
~
crontab -e
增加如下任务
10 07 * * * /root/checkNKmail &
分时日月周
二、定时检测网络状态通过email发送
checkserverstat脚本内容：
#/bin/bash
echo "HZtelecomDNS" > state.txt
ping -c 5 202.101.172.35 >> state.txt
echo "
bJU" >> state.txt
ping -c 5 10.X.X.X >> state.txt
echo "ADSL Gateway" >>state.txt
ping -c 5 X.X.X.X >> state.txt
echo "Server_Outside VPN" >>state.txt
ping -c 5 192.168.2.100 >>state.txt
echo "Server_Outside WAN" >> state.txt
ping -c 5 X.X.X.X >> state.txt
echo "VPN in company" >> state.txt
ping -c 5 192.168.1.4 >>state.txt
echo "L2tp at aaa Libweb" >>state.txt
ping -c 5 X.X.X.X & >>state.txt
mail -s Server_State admin@abc.com <state.txt
rm -df ./state.txt
crontab中增加任务
corntab -e
10 16 * * * /root/CheckWeatherState &
10 09 * * * /root/checkserverstate &
10 13 * * * /root/checkserverstate &
10 17 * * * /root/checkserverstate &