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Entries Tagged as 'Operating System'

Plesk 9.5.2 to 9.5.4 update bad practise

March 11th, 2011 · Comments Off

It seems like the Plesk developers have decided to do the following during the upgrade process, which, seems like a bad idea: ===> Installing Apache Server Trying to stop service httpd… done Copying apache files… done ===> Installing Quotas Trying to change quota limits… done Run quotacheck. This may take some time. quotacheck: Scanning /dev/md1 [...]

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Tags: Control Panels · Linux · Operating System

More FastCGI application processes in Plesk Linux

March 7th, 2011 · No Comments

Received a number of issues running a PHP site under FastCGI on Plesk 9.5.3 / CentOS 5.5 64 bit.  Saw a number of errors in the error log: [warn] (103)Software caused connection abort: mod_fcgid: ap_pass_brigade failed in handle_request function [warn] (110)Connection timed out: mod_fcgid: ap_pass_brigade failed in handle_request function [warn] mod_fcgid: can’t apply process slot [...]

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Tags: Control Panels · Linux · Operating System

QR barcodes and Perl

February 25th, 2011 · No Comments

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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Tags: Coding · Linux · Protocols

HTTP accelerators/proxies

February 24th, 2011 · No Comments

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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Tags: Linux · Networking · Operating System · Protocols

Plesk 9.5 doesn’t install on CentOS 5.5 if updated

February 18th, 2011 · No Comments

OS: CentOS 5.5 CP: Plesk 9.5.4 URL: http://download1.parallels.com/Plesk/PPP9/CentOS5/parallels_installer_v3.6.0_build100407.15_os_CentOS_5_i386 When installing CentOS 5.5 it has become a habit to immediately run “yum upgrade” to make sure all the patches/bug fixes are installed prior to doing anything else. This, however, breaks the Plesk installation and has done for many years. Ran the Plesk installer and selected Plesk [...]

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Tags: Control Panels · Operating System