Linux下定时重启Tomcat（修改）
1.写一个shell脚本test.sh，重新启动tomcatview plaincopy
[*] #!/bin/sh
[*]
[*]. /etc/profile
[*]
[*]pid=`ps aux | grep tomcat | grep -v grep | grep -v retomcat | awk '{print $2}'`
[*]echo $pid
[*]
[*]if [ -n "$pid" ]
[*]then
[*]{
[*] echo ===========shutdown================
[*] /opt/tomcat/bin/shutdown.sh
[*] sleep 1
[*] pid=`ps aux | grep tomcat | grep -v grep | grep -v retomcat | awk '{print $2}'`
[*] if [ -n "$pid" ]
[*] then
[*] {
[*] sleep 1
[*] echo ========kill tomcat==============
[*] kill -9 $pid
[*] }
[*] fi
[*] sleep 1
[*] echo ===========startup.sh==============
[*] /opt/tomcat/bin/startup.sh
[*] }
[*]else
[*]echo ===========startup.sh==============
[*]/opt/tomcat/bin/startup.sh
[*]
[*]fi
2.把test.sh文件放到root目录下
3.提高权限
chmod a+x test.sh
4.在控制台上输入以下命令
crontab -e
5.按i键编辑这个文本文件，输入以下内容，每天凌晨4：30重启tomcat
30 04 * * * /root/test.sh
按esc键退出编辑，输入wq回车保存
6.启动定时服务
# service crond stop
# service crond start
查看日志
/var/log/cron
参考http://blog.iyunv.com/xiyuan1999/article/details/8160998
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