在这里详述 Squid清除缓存。
squid清除Cache命令总结
批量清除Cache的工具:
http://www.wa.apana.org.au/~dean/squidpurge/
wget http://www.wa.apana.org.au/~dean ... 20040201-src.tar.gz
tar zxvf purge-20040201-src.tar.gz
cd purge
make
清除Squid缓存示例:
1、清除 URL 以“.mp3”结尾的缓存文件(例如 http://www.s135.com/abc.mp3、http://www.s135.com/01/a.mp3)
./purge -p localhost:80 -P 1 -se '\.mp3$'
2、清除URL中包含s135.com的所有缓存:
./purge -p localhost:80 -P 1 -se 's135.com'
我喜欢将程序推到后台去执行,让它慢慢地去清Squid缓存,同时将输出内容记录到purge.log文件:
./purge -p localhost:80 -P 1 -se 's135.com' > purge.log 2>&1 &
= 方法二 =
脚本 clear_squid_cache.sh
#!/bin/sh squidcache_path="/var/squid/cache" squidclient_path="/usr/local/sbin/squidclient" grep -a -r $1 $squidcache_path/* | strings | grep "http:" | awk -F'http:' '{print "http:"$2;}' > cache_list.txt for url in `cat cache_list.txt`; do $squidclient_path -m PURGE -p 80 $url done
注意:请赋予clear_squid_cache.sh可执行权限(命令:chmod +x ./clear_squid_cache.sh)。请确保脚本所在目录可写。
设置:
squidcache_path= 表示squid缓存目录的路径
squidclient_path= 表示squidclient程序所在的路径,默认为squid安装目录下的bin/squidclient
用法:
1、清除所有Flash缓存(扩展名.swf):
./clear_squid_cache.sh swf
2、清除URL中包含sina.com.cn的所有缓存:
./clear_squid_cache.sh sina.com.cn
3、清除文件名为zhangyan.jpg的所有缓存:
./clear_squid_cache.sh zhangyan.jpg
直接用命令清除一个图片的缓存
sudo /usr/local/sbin/squidclient -m PURGE -p 3338 http://www.icgoo.net/icgoo/portal_skins/Icgoo_images/topbanner9_24.jpg
成功的话,显示如下提示 :
%sudo /usr/local/sbin/squidclient -m PURGE -p 3338 http://www.icgoo.net/icgoo/portal_skins/Icgoo_images/topbanner9_24.jpg/ HTTP/1.0 200 OK Server: squid/2.7.STABLE9 Date: Tue, 25 Sep 2012 09:37:03 GMT Content-Length: 0 Expires: Tue, 25 Sep 2012 09:37:03 GMT X-Cache: MISS from www2.icgoo.net Via: 1.0 www2.icgoo.net:3338 (squid/2.7.STABLE9) Connection: close
还有一个
开发经常会要求清squid缓存...
很无奈,只好用squid的PURGE清除缓存
PUGRE是一种有点危险的http请求
squid.conf中加配置如下:
acl AdminBoxes src 127.0.0.1 acl Purge method PURGE http_access allow AdminBoxes Purge http_access deny Purge
//只允许本地PUGRE
用例如下:
squidclient -h xx.xx.xx.xx -p 80 -U [email protected] -W password -m PURGE http://img1.sss.com/js/s_code.js
放在脚本clear_squid_cache.sh中调用:
#!/bin/sh squidcache_path="/opt/xx/squid/var/cache" squidclient_path="/opt/xx/squid/bin/squidclient" grep -a -r $1 $squidcache_path/* | strings | grep "http:" | awk -F'http:' '{print "http:"$2;}'>cache_list.txt for url in `cat cache_list.txt`; do $squidclient_path -p 80 -U [email protected] -W tuniu2906 -m PURGE -p 80 $url done
这个是张宴的脚本