Magnus' blog

Cut-Through Forwarding necessary on dd-wrt and tomato for throughput higer than 300Mbit

2015-04-25

It all started when I decided to upgrade my router at home. Since my setup is a bit different than most other people’s, I wanted a couple of routers that I could tweak in any way I liked.

Meta monitoring revisited - EC2 meta monitoring

2014-05-21

How to compare the inventory in AWS with another inventory

Using sudo and redirecting output to a file

2014-02-04

Sudo is a cool tool to have under your belt. I have heard excuses for not using sudo so many times, that if I was given a penny every time I would at least be able to buy myself a coffee.

One liner to kill Oracle expdp job

2014-01-30

This is a very obscure one liner to kill a running an Oracle expdp job.

Hotplugging more than 15 scsi devices in Ubuntu

2013-08-24

Today I ran into something that took me a bit to figure out. I could not add new disks to a virtual machine running Ubuntu.

Who monitors the monitor?

2013-05-20

How do you know that all virtual machines (VM’s) in a VMWare environment is actually monitored in your monitoring system (read Nagios, Op5)?

No more insane clicking in ESXi - setup your testbed in a minute

2013-02-19

Very often, I find myself in the situation where I have to quickly setup a test environment. In my case that usually means that I will quickly setup a:

Alias is silver, function() is gold!

2013-01-07

Everyone who has reached the first advancement of any meaningful martial arts, know that in order to get that first level you need to learn some very basic, yet useful techniques.

Sawtooth - The power of a waveform!

2012-11-23

Triangles are nice. They are robust, the strongest shape of them all. A triangle will also help you spot anomalies in contextually complex situations. Today we will use this shape to make sure that your backups are running properly, as well as showing you one of the amazing capabilities of the human brain; pattern recognition.