Month: March 2013
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How to set up SNMP monitoring (snmpd) on Ubuntu 12.04
This one caused a bit of hassle recently – a few online guides don’t seem to work with the current version of Ubuntu. We found that this works, at least in the ~10 or so servers we have tried so far: sudo apt-get install snmpd Back up your snmpd.conf file: sudo…
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MySQL: How to create a database
To create a simple database (e.g. if you need to create one for a WordPress or Wiki install) use the following after logging in to MySQL as the root user: create database [nameOfDatabase]; Don’t forget the ; at the end, or you’ll end up on a new line consisting of a >…
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Ubuntu: How to update PHP’s timezone
We came across this one recently when setting up a Zabbix server, where the installation would not proceed until the PHP timezone was set. This is quite straightforward – using your favourite editor edit: /etc/php5/apache2/php.ini Look for the Module Settings section or search for: date.timezone (in vi /date.timezone should get…
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How to remove/delete old or unused kernels in Ubuntu
If you have upgraded your kernel you will have found that Ubuntu keeps the older ones around, which can be handy if something breaks in the newer kernel and you have to boot from your old system. Over time, however, these can add up in terms of the amount of space consumed – at…