Month: April 2012

Adding a Fibre Channel disk to a Debian Linux server

Posted by – Sunday 2012-04-29

Given the deep economic crisis Spain is living, budgets are shrinking and in particular, reusing old computers has become mandatory for many people working in organizations that rely on information technologies.

Giving old computers a new life might come with some curious problems. At work we decided to reuse a HP Proliant server which was bought circa year 2005. It has a four cores Itanium processor, which make it suitable for a task like serving web pages dinamically generated. The problem is its small storage capacity by today’s standards: just two hard disks of 36 GB each one.

Fortunately, the server has two HP QLogic ISP2312 Fibre Channel adapters. Thus storage shortage can be solved without buying additional hard disks (supossing they are avaialable for sale); instead, the needed storage is added via Fibre Channel (FC).

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A short note about setting Apache Tomcat 7 environment variables under Debian 6.

Posted by – Sunday 2012-04-22

In this post we will see a way of setting Apache Tomcat, version 7, environment variables when running under Debian 6.

Let’s suposse that Apache Tomcat – Tomcat for short – has been installed in the directory TOMCAT_DIR and that we want to set the used Java virtual machine and the amount of used RAM memory.

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