Tomcat的日志分割三种方法

wget  https://files.cnblogs.com/files/crazyzero/cronolog-1.6.2.tar.gz
tar zxvf cronolog-1.6.2.tar.gz 
cd cronolog-1.6.2
./configure 
make && make install 

which cronolog
一般情况下显示为：/usr/local/sbin/cronolog 

org.apache.catalina.startup.Bootstrap "$@" start       >> "$CATALINA_OUT" 2>&1 &

org.apache.catalina.startup.Bootstrap "$@" start 2>&1 | /usr/local/sbin/cronolog /usr/local/tomcat/logs/icatalina.%Y-%m-%d.out >>/dev/null &

#  touch "$CATALINA_OUT"

ls /usr/local/tomcat/logs

log4j.rootLogger=INFO, R 
log4j.appender.R=org.apache.log4j.RollingFileAppender 
log4j.appender.R.File=${catalina.home}/logs/tomcat.newlog  #设定日志文件名
log4j.appender.R.MaxFileSize=100KB   #设定文件到100kb即分割
log4j.appender.R.MaxBackupIndex=10   #设定日志文件保留的序号数
log4j.appender.R.layout=org.apache.log4j.PatternLayout 
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n

#!/bin/bash
# 定清理7天前的日志
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}