Ubuntu Manpage: lurker-prune — prunes the web-server cache

NAME

       lurker-prune — prunes the web-server cache

SYNOPSIS

       lurker-prune [-c <config-file>]  [-f <frontend>]  [-m <days>]  [-a <days>]  [-p -v]

DESCRIPTION

       lurker-prune  prunes  obsolete  or stale files from the web-server accessible cache. This command must be
       run at regular intervals from eg. a cronjob. If it is not run, then the lurker web interface will  appear
       to  not  be  receiving  new  mail  or have contradictory links between pages. A good interval is every 15
       minutes and should not exceed one hour.

       Be aware that it is possible for an attacker to use up a large amount of disk space  through  lurker.  An
       attacker  could  request  many  distinct lurker web pages each of which is cached, thus using disk space.
       Please setup a quota for the lurker user, read your logs, and follow whatever site-specific policies  you
       have for denial of service.

       A  good  script  to  run  in  parallel  with  normal  lurker-prune  use is one similar to: if test `du -s
       /var/www/lurker | cut -f1` -gt 32768; then lurker-prune -p; fi This might help guard against a  potential
       denial-of-service attack.

OPTIONS

-c config-file
Use this config file for lurker settings.

-f frontend
The directory of the lurker frontend cache to clean. You can selectively purge cache with this
option. By default, lurker-prune will clean all frontends specified in the config file.

-m days Keep cached files for at most this many days. Any cached file regardless of last access will be
deleted after the specified number of days (defaults to 7). Files which are obsolete due to new
mail, config changes, or no accesses will be deleted earlier. Deleted files will be
automagically regenerated if needed.

-a days Kill cache files not accessed for this many days. Any cached file which has not been read from
for the specified number of days (defaults to 1) will be deleted. Files which are obsolete due
to new mail or config changes will be deleted earlier. Deleted files will be automagically
regenerated if needed.

-p Purge mode. Delete all cache files even if they do not appear to be expired. This will only
deletes files that are generated by lurker, and is thus preferable to rm */*.

-v Verbose operation. Indicate which files are being deleted and the reasoning behind lurker's
decisions. This can help in tracking down why some files are deleted and not others.

COPYRIGHT

       Copyright (C) 2002: Wesley W. Terpstra <terpstra@users.sourceforge.net>

       This program is free software; you can redistribute it and/or modify  it  under  the  terms  of  the  GNU
       General Public License as published by the Free Software Foundation; version 2.

       This  program  is  distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  Public
       License for more details.

       You  should have received a copy of the GNU General Public License along with this program; if not, write
       to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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