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Article Setup an email alert on SSL / TLS certificate expiration
by Pierre-Yves Landuré published Dec 06, 2011 last modified Oct 22, 2018 07:51
SSL / TLS certificates are signed by certificate authority for a defined period, usually 1 year. Once the expiration date has passed, the certificate is considered invalid by the clients (browsers, mail clients, etc.). Being alerted of a server expired certificates help to anticipate renewals.
Located in Debian GNU/Linux / Servers / HTTP
Article Get the real IP address of a visitor accessing to a Apache 2 server behind a reverse proxy
by Pierre-Yves Landuré published Dec 08, 2011 last modified Mar 02, 2018 08:35
Reverse proxy usage has many reasons: cache the served pages (Varnish), set up a load balancing (HAProxy) or serve the content of many servers on only one IP address. The reverse proxy provide the visitor real IP address in the X-Forwarded-For header. This howto provides a method to get the IP address from this header and use it as the client IP address instead of the reverse proxy IP address.
Located in Debian GNU/Linux / Servers / Apache 2
Article Backup Google Agenda on Debian
by Pierre-Yves Landuré published Dec 13, 2011 last modified Dec 05, 2012 08:28
Google Agenda is very useful tool to synchronize an agenda between various users and hardwares. Synchronization errors can create lost, duplicated or edited events. This howto help to setup a frequent backup of Google Agenda. It ease the restoration of events in case of synchronization error.
Located in Debian GNU/Linux / System / Software
Article Translate portlets and homepage of a site with LinguaPlone
by Pierre-Yves Landuré published Dec 21, 2011 last modified Dec 21, 2011 10:46
The LinguaPlone product enable the creation of multilingual sites with Plone. Although simple to implement, its default configuration has to be finalized. This article helps to set up LinguaPlone on a Zope / Plone site.
Located in Development / Plone / Configuration
Article Configuration
by Pierre-Yves Landuré published Dec 21, 2011 last modified Dec 21, 2011 10:46
Resources and tutorials about Zope / Plone configuration.
Located in Development / Plone
Article Fixing common Plone errors
by Pierre-Yves Landuré published Dec 26, 2011 last modified Jan 05, 2012 11:28
This article help solving common Plone problems.
Located in Development / Plone / Configuration
Article PS document Apache 2 configuration tips
by Pierre-Yves Landuré published Feb 27, 2012 last modified Mar 02, 2018 08:35
Handy or rarely used Apache 2 setups.
Located in Debian GNU/Linux / Servers / Apache 2
Article Optimize MySQL on Debian
by Pierre-Yves Landuré published Apr 25, 2012 last modified Nov 11, 2017 03:07
The performances of a MySQL server are greatly dependant of the hardware where it is hosted. The hard drive latency, the available memory and the processor computation power are the main parameters of the equation. This howto help you to adjust MySQL server settings to the hardware where it is hosted.
Located in Debian GNU/Linux / Servers / MySQL
Article Setup the Dotdeb apt repository on Debian
by Pierre-Yves Landuré published Apr 26, 2012 last modified Aug 10, 2013 02:08
The Dotdeb repository hosts software unavailable by default in the official Debian repositories. It provides PHP 5.4, the nginx HTTP server, the Percona toolkit, etc... This howto setup this repository with a minimal impact on the system: only the wanted software are installed, the other packages available in Dotdeb repositories are ignored.
Located in Debian GNU/Linux / System / Software
Article Log PHP errors with Syslog
by Pierre-Yves Landuré published Apr 26, 2012 last modified Aug 16, 2018 05:46
Function of the server configuration, the PHP messages are not logged to HTTP server error log. In this case, it is necessary to setup PHP to log errors to a dedicated log file, or to Syslog. This howto propose a simple setup to log PHP errors in the file "/var/log/php.log"
Located in Debian GNU/Linux / Servers / Syslog