This article might be a bit outdated on some parts but just Google if problems arise.

SNMP and MRTG graphs

Statistics and graphs are nice way to follow what the machine is doing. Just a little bit of configuration and scripts you can use f. ex. servers’, routers’ and firewalls’ operational statistical data from their Object Identifiers (OID) with the help of Simple Network Management Protocol (SNMP) and Management Information Base (MIB) which define the available OID functions.… Continue reading →

Normally putting up a web server with PHP and database is easy and the default settings are enough but sometimes there is need for tuning the performance. The server might be low on memory and the CPU and has (too) many things to handle. Also it is good to know how things work.… Continue reading →