Background: I had an existing CentOS machine as a virtual machine running on VMWare ESX Server and it was running out of space so for future reference I did the [...]

So I tested out Skipfish today to do a quick check on a website / web server. Hosted on Google at: http://code.google.com/p/skipfish/ download it, extract it and make and run: [...]

Occasionally useful to find out the dimensions of an image without having to load an image editor or file manager. From the ImageMagick toolkit: identify myimage.jpg tiffinfo myimage.tif pnginfo myimage.png

A friend contacted me today running an Ubuntu live CD and trying to scan a windows drive for viruses. So for future reference the following antivirus packages can be tried: [...]

Creating an Audio CD in K3B (my favourite CD burning software) I received an error that MP3 format was not supported and that the files need to be converted to [...]

These are the steps I took to create a centralised location of system logs. In this scenario multiple servers (earth, venus, mars) send their system logs to a central server [...]

Video files can be converted using GUI tools such as Handbrake, Arista, WinFF but if you don’t mind the command line – or if you want to automate video file [...]

To find a text string within files in all sub-directories: find . -type f | xargs -r0 grep -F ‘dodgystring’ or find . -type f -exec grep -l “dodgystring” {} [...]

Uptime of 1214 days on an internal email scanning server running Red Hat Linux 4.

I thought I would jot down a few notes about today’s adventures with SNMP. Specifically using SNMP with Nagios mostly on Red Hat/CentOS. I have an appliance from a third-party [...]