分类: LINUX
2014-10-23 14:44:33
1、下载(最新版本)
# wget
2、解压缩
# tar zxvf cronolog-1.6.2.tar.gz
3、进入cronolog安装文件所在目录
# cd cronolog-1.6.2
4、运行安装
# ./configure
# make
# make install
5、查看cronolog安装后所在目录(验证安装是否成功)
# which cronolog
一般情况下显示为:/usr/local/sbin/cronolog
6.进入Tomcat的bin目录,打开catalina.sh文件,找到tomcat启动的相关行,或者你直接查找catalina.out,一般我们修改下面行中的内容(因为我们一般不会在-security条件下运行),
# touch "$CATALINA_BASE"/logs/catalina.out
if [ "$1" = "-security" ] ; then
echo "Using Security Manager"
shift
"$_RUNJAVA" $JAVA_OPTS $CATALINA_OPTS \
-Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
-Djava.security.manager \
-Djava.security.policy=="$CATALINA_BASE"/conf/catalina.policy \
-Dcatalina.base="$CATALINA_BASE" \
-Dcatalina.home="$CATALINA_HOME" \
-Djava.io.tmpdir="$CATALINA_TMPDIR" \
org.apache.catalina.startup.Bootstrap "$@" start \
| /usr/local/sbin/cronolog "$CATALINA_BASE"/logs/catalina.%Y-%m-%d.out >> /dev/null &
if [ ! -z "$CATALINA_PID" ]; then
echo $! > $CATALINA_PID
fi
else
"$_RUNJAVA" $JAVA_OPTS $CATALINA_OPTS \
-Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
-Dcatalina.base="$CATALINA_BASE" \
-Dcatalina.home="$CATALINA_HOME" \
-Djava.io.tmpdir="$CATALINA_TMPDIR" \
org.apache.catalina.startup.Bootstrap "$@" start \
|/usr/local/sbin/cronolog "$CATALINA_BASE"/logs/catalina.%Y-%m-%d.out >> /dev/null &
if [ ! -z "$CATALINA_PID" ]; then
echo $! > $CATALINA_PID
fi
fi
修改
org.apache.catalina.startup.Bootstrap “$@” start \
>> “$CATALINA_BASE”/logs/catalina.out 2>&1 &
为
org.apache.catalina.startup.Bootstrap “$@” start 2>&1 \
| /usr/local/sbin/cronolog “$CATALINA_BASE”/logs/catalina.%Y-%m-%d.out >> /dev/null &
同时,上面有一行
touch “$CATALINA_BASE”/logs/catalina.out
可以注释掉,完成之后重起Tomcat就可以了,在logs目录下可以看到catalina.2011-08-29.out的日志,是按日期生成的。
另外一种解决方法,纯shell实现的.
编写一个.sh文件,并放到tomcat下的bin目录,在cron中自动执行,shell脚本如下:
#!/bin/bash
cd `dirname $0`
d=`date +%Y%m%d`
d7=`date -d'7 day ago' +%Y%m%d`
cd ../logs/
cp catalina.out catalina.out.${d}
echo "" > catalina.out
rm -rf catalina.out.${d7}
注,
$0获取当前Shell程序的文件名
dirname $0,获取当前Shell程序的路径
cd `dirname $0`,进入当前Shell程序的目录