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我想让ubuntu下的tomcat7 实现8个小时就自动重启一次。要怎么弄? 求各路大神献计献策。谢谢!
认证高级PHP讲师
我给你搜这个吧http://stackoverflow.com/questions/20454435/how-to-restart-a-process-every-4-hours-using-crontab 每八小时这么写。* */8 * * * user-name command to be executed
* */8 * * * user-name command to be executed
顺道推荐一个靠谱的管理tomcat的脚本
#!/bin/bash # # tomcat This shell script takes care of starting and stopping Tomcat # # chkconfig: - 80 20 # ### BEGIN INIT INFO # Provides: tomcat # Required-Start: $network $syslog # Required-Stop: $network $syslog # Default-Start: # Default-Stop: # Short-Description: start and stop tomcat ### END INIT INFO export JAVA_HOME=/usr/java/jdk1.6.0_43 TOMCAT_HOME=/usr/local/apache-tomcat-6.0.37 SHUTDOWN_WAIT=45 tomcat_pid() { echo `ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | awk '{ print $2 }'` } start() { pid=$(tomcat_pid) if [ -n "$pid" ] then echo "Tomcat is already running (pid: $pid)" else # Start tomcat echo "Starting tomcat" $TOMCAT_HOME/bin/startup.sh fi return 0 } stop() { pid=$(tomcat_pid) if [ -n "$pid" ] then echo "Stoping Tomcat" $TOMCAT_HOME/bin/shutdown.sh let kwait=$SHUTDOWN_WAIT count=0 count_by=5 until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ] do echo "Waiting for processes to exit. Timeout before we kill the pid: ${count}/${kwait}" sleep $count_by let count=$count+$count_by; done if [ $count -gt $kwait ]; then echo "Killing processes which didn't stop after $SHUTDOWN_WAIT seconds" kill -9 $pid fi else echo "Tomcat is not running" fi return 0 } case $1 in start) start ;; stop) stop ;; restart) stop start ;; status) pid=$(tomcat_pid) if [ -n "$pid" ] then echo "Tomcat is running with pid: $pid" else echo "Tomcat is not running" fi ;; esac exit 0
使用crontab定时任务解决。
# 设置定时任务 root> crontab -e # 8点,每天,每月执行脚本 root> 0 8 * * * /full/path/to/tomcat/restart/script # 查看定时任务列表 root> crontab -l
http://stackoverflow.com/questions/3474280/how-to-set-up-a-cron-job-to-run-an-executable-every-hour?answertab=oldest#tab-top
#!/bin/sh
. /etc/profile
pid=ps aux | grep tomcat7_portal | grep -v grep | grep -v retomcat7_portal | awk '{print $2}'echo $pid
ps aux | grep tomcat7_portal | grep -v grep | grep -v retomcat7_portal | awk '{print $2}'
if [ -n "$pid" ]then{ echo ===========shutdown================ /opt/tomcat7_portal/bin/shutdown.sh sleep 1 pid=ps aux | grep tomcat7_portal | grep -v grep | grep -v retomcat7_portal | awk '{print $2}' if [ -n "$pid" ] then
{ sleep 1 echo ========kill tomcat7_portal============== kill -9 $pid }
fi sleep 1 echo ===========startup.sh============== /opt/tomcat7_portal/bin/startup.sh }elseecho ===========startup.sh==============/opt/tomcat7_portal/bin/startup.sh
fi
我给你搜这个吧
http://stackoverflow.com/questions/20454435/how-to-restart-a-process-every-4-hours-using-crontab
每八小时这么写。
* */8 * * * user-name command to be executed
顺道推荐一个靠谱的管理tomcat的脚本
使用crontab定时任务解决。
http://stackoverflow.com/questions/3474280/how-to-set-up-a-cron-job-to-run-an-executable-every-hour?answertab=oldest#tab-top
#!/bin/sh
. /etc/profile
pid=
ps aux | grep tomcat7_portal | grep -v grep | grep -v retomcat7_portal | awk '{print $2}'
echo $pid
if [ -n "$pid" ]
then
{
echo ===========shutdown================
/opt/tomcat7_portal/bin/shutdown.sh
sleep 1
pid=
ps aux | grep tomcat7_portal | grep -v grep | grep -v retomcat7_portal | awk '{print $2}'
if [ -n "$pid" ]
then
fi
sleep 1
echo ===========startup.sh==============
/opt/tomcat7_portal/bin/startup.sh
}
else
echo ===========startup.sh==============
/opt/tomcat7_portal/bin/startup.sh
fi