Stuff…

Creating QR Code with perl module Imager::QRCode http://perltraining.com.au/tips/2009-10-08.html http://contentdeveloper.com/2010/01/how-to-customize-qr-codes-with-your-brands-identity/ http://qrcode.kaywa.com/ – Code generator http://fredtruman.com/how-to-create-qr-codes-using-the-mecard-format – MECARD format http://code.google.com/p/zxing/ http://code.google.com/p/zxing/wiki/BarcodeContents The following code generates this image: Code: #!/usr/bin/perl use strict; use warnings; use Getopt::Std; use Imager::QRCode; my $MECARD=<<END; MECARD: N:co.uk,moe; ADR:Address Field; NOTE:Testing; TEL:+440123456789; EMAIL:spam\@moe.co.uk; URL:http://www.moe.co.uk;; END $MECARD =~ s/\n//; my %opts = ( o => [...]

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There are a number of different light weight webservers that can proxy/accelerate performance of traditional webservers such as apache/iis. Some of these are: nginx – lightweight, high-performance web server, reverse proxy and e-mail proxy (IMAP/POP3) litespeed http://www.varnish-cache.org/ Lighttpd – open-source web server, optimized for speed-critical environments Polipo – a caching web proxy Have seen good [...]

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Google have released an Apache module to optimise content on the fly.  Going to try it out soon: http://code.google.com/speed/page-speed/docs/overview.html

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Having strange intermittent issues with horde IMP webmail returning “Requested message not found” when clicking on a message in the inbox. Packages: psa-horde-3.1.7-cos5.build93091230.06 php-5.2.14-2.el5.art php-imap-5.2.14-2.el5.art psa-9.3.0-cos5.build93091230.06 courier-imap-3.0.8-cos5.build93091230.06 psa-imp-4.1.6-cos5.build93091230.06 Additions: xcache 1.3.0 mod_security I have tested disabling mod_security which did not help.  Also, tried disabling xcache which also has not helped. Trying to find the problem [...]

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Horde webmail was displaying a blank page on login, or, in firefox asking to download redirect.php. OS: CentOS 5.5 Plesk: 9.3.x In the error_log for the mail webserver saw a lot of errors: [Tue Oct 05 16:38:38 2010] [notice] child pid 4349 exit signal Segmentation fault (11) [Tue Oct 05 16:38:38 2010] [notice] child pid [...]

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