Monthly Archives: November 2015

#vDM30in30 review and thoughts

Wuhu I made it \o/ this is the 32. post that I create in this November (if I finish it in the next 8 minutes…). I started the 30 posts in 30 posts action on the 2. of November because … Continue reading

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Baking awesome Cookies (like a software engineer)!

Christmas time is cookie time in germany, here is a recipe, for uhm, many: Ingredients: 500gr flour 250gr normal butter (no light version or something if extra salt) 250gr suggar 16 gr vanilla sugar 4 middle sized eggs [because of … Continue reading

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Fiddling with MySQL

Let us have a look at a simple procedure in MySQL 5.6: Easy one. A note about variables. id1 is a local/user defined variable, the scope is limited to the BEGIN/END block, @id2 is a global variable, accessible from everywhere. … Continue reading

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Why the internet sucks part 2

[Here is part 1] The Internet is split up into three different provider types. The first type are the access provider. They provide you with DSL access via old copper based phone lines or with access to their shared TV-cable. … Continue reading

Posted in 30in30, General, IT-Security | 1 Comment

Cooking Chicken Mango Curry

We need for 3 dinners: Ingredients: 400gr chicken breast fillet 300gr mango a bunch of scallions 6 hand full of rice Spices: cane sugar lemon juice 300ml coconut milk curry paste curry powder garlic powder seasalt curcuma coriander olive oil … Continue reading

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Zabbix Autodiscovery for KVM VM Images

A very short description about Zabbix: Zabbix Agent: Executes Checks on a system that you want to monitor (for example checking the avialable memory). Zabbix Server: Central part that receives values from the agents, serves the frontend with data, throws … Continue reading

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Getting started with Hiera

I am using puppet since the end of 2012 and I finally found a use case for Hiera. This is my way of implementing it: What is Hiera Hiera is split into two parts: The backend is a key/value store … Continue reading

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Link collection of the week

Here is another collection of links I found during the past week: Comparison of PHP and Ruby How (not) to sanitize your user input How to handle your job (automate that shit!) Broken Performance Tools How to boot Linux in … Continue reading

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Extending Disk Capacity for KVM Virtual Machines

From time to time, your data grows and a virtual machine is getting filled up. Here is a short tutorial for extending the disk capacity for KVM machines on LVM2: First step: Poweroff the machine. This is a good situation … Continue reading

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DRY – Don’t Repeat Yourself

Don’t Repeat Yourself – This is an important mantra, I’m trying to work like this for the past years, but the fancy abbreviation never came up my mind, I just found it online. What does it mean? We system administrators … Continue reading

Posted in 30in30, General, Linux, Puppet | 1 Comment