Water

For the summer period, Stu set us Tuesday Challenge Summer Homework. After much um-ing and ah-ing, I settled upon the theme of Water. I’ve interpreted the theme quite loosely – all of these photos have water in them in some way, but not necessarily the focal point. Llys-y-Fran dam, Pembrokeshire Tenby harbour, Pembrokeshire Raindrops onContinue reading “Water”

Fedora, kmod-nvidia and akmod-nvidia

If you have Fedora and an nVidia graphics card, chances are you’ll want to use kmod-nvidia as your graphics driver. It is closed-source, but produced by nVidia themselves and has several advantages over the default open-source drivers that are typically bundled with most distributions – for example, 3D hardware acceleration. If you have already installedContinue reading “Fedora, kmod-nvidia and akmod-nvidia”

Setting up NRPE remote Linux monitoring with Nagios

This a short and simple guide, explaining how to set up remote monitoring of Linux hosts using NRPE in Nagios. The procedure is simple, but having searched for information on this earlier today I didn’t find a straightforward all-inclusive guide, so I’ve written my own. These instructions were written with Nagios 3.0.6, and they assumeContinue reading “Setting up NRPE remote Linux monitoring with Nagios”

Checking for the latest kernel with Nagios

I’ve just written a module for Nagios that will determine if the currently running kernel is the latest kernel available on the system. It will not tell you if there is a newer kernel in a yum repository or similar. The main gotcha is that you need an RPM-based system for my script to work,Continue reading “Checking for the latest kernel with Nagios”

Changing the verbosity of wpa_supplicant on Ubuntu

Sometimes you need to change the log verbosity of wpa_supplicant for debugging purposes. First check which log verbosity you are currently running with. ps -ef | grep wpa_supplicant | grep -v grep -d represents verbose -dd represents extra verbose To change the log verbosity, edit /usr/share/dbus-1/system-services/fi.epitest.hostap.WPASupplicant.service and add -d or -dd as appropriate. Example: [D-BUSContinue reading “Changing the verbosity of wpa_supplicant on Ubuntu”