How to clear the cache of squid in Linux system

This article introduces the knowledge of "how to clear the squid cache in the Linux system". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

To clear the proxy cache on linux or Unix running Squid, this is a rough method, and squidclient is also used. A good way is to script, especially if there are many websites and complex url parameters.

Step 1: determine the location of the squid proxy cache

The code is as follows:

# grep cache_dir / etc/squid/squid.conf / / directly grab the path of the cached directory in the configuration file of squid

The output is as follows. Depending on the directory specified by your compilation and installation, the result may be different.

The code is as follows:

# cache_dir ufs / var/spool/squid 100 16 256

Step 2: clear the squid proxy cache

The code is as follows:

# squid-k shutdown / / disable the squid service

# rm-rf / var/spool/squid/ Delete the cache directory

Rebuild cache directory

The code is as follows:

# squid-z

The output is as follows:

The code is as follows:

04:24:19 on 2013-08-24 | Making directories in / var/spool/squid/00

04:24:19 on 2013-08-24 | Making directories in / var/spool/squid/01

04:24:19 on 2013-08-24 | Making directories in / var/spool/squid/02

04:24:20 on 2013-08-24 | Making directories in / var/spool/squid/03

04:24:20 on 2013-08-24 | Making directories in / var/spool/squid/04

04:24:20 on 2013-08-24 | Making directories in / var/spool/squid/05

04:24:20 on 2013-08-24 | Making directories in / var/spool/squid/06

Restart Squid:

The code is as follows:

# squid or # service squid start

Output after running:

The code is as follows:

Starting squid: [OK]

Step 3: confirm that Squid is running

The code is as follows:

# netstat-tulpn | grep: 3128 / / check whether port 3128 used by squid is in use

You can also check the access.log or cache.log of squid to check whether squid is running properly, as follows:

The code is as follows:

# tail-f / var/log/squid/access.log

# tail-f / var/log/squid/cache.log

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