Shell writes ping packets and ARP monitoring and sends text messages through the shell

2. #!/bin/bash
4. now= "' Date +%y%m%d-%h:%m:%s '"
6. phones=15134567893
8. ip=10.100.8.78
10. gateway=10.100.30.1
12. #ping失误的短信内容
14. Content1= "host is failed"
16. #arp主机网关失误的短信内容
18. Content2= "GW is failed"
20. #ping日志路径
22. logfile= '/tmp/ping ' Date "+%y%m%d-%h-%m-%s" '. Log '
24. #ping对方主机100个包并将结果输出到日志
26. ping-c100 $IP &> $LogFile
28. #用if, the Else statement determines whether the ping pass,
30. If ["$?" = = "0"];
32. Then
34. echo "$NOW $IP is ok" >> $LogFile
36. Else
38. echo "$NOW $IP is down" >> $LogFile &/usr/bin/curl-d "phones= $PHONES &content= $NOW $IP" "Content-ty Pe:application/x-www-form-urlencoded;charset=utf-8 "" http:/SMS Gateway 8080 "
40. Fi
42. #分隔符
44. echo "================================" >> $LogFile
46. #arp自己网关
48. ARP $GATEWAY &>> $LogFile
50. num=$ (cat $LogFile |grep eth0|wc-l)
52. If ["$num" = = "0"];
54. Then
56. echo "$NOW $GATEWAY is down" >> $LogFile &/usr/bin/curl-d "phones= $PHONES &content= $NOW $GATEWAY $content 1" "Content-type:application/x-www-form-urlencoded;charset=utf-8" "http:/SMS Gateway 8080"
58. Fi

Shell writes ping packets and ARP monitoring and sends text messages through the shell