Category Archives: General

Securing Postfix on a shared Webserver

I’m operating a webserver for shared webspace accounts. I’m not responsible for the stuff hosted on the webspace, but for the server itself. Many people like to host their wordpress or joomla on this server, both scripts are well known … Continue reading

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Fighting PHP spam

A good friend owns a very old joomla website which has been hacked. It is massively sending spam, how can we investigate this? First of all, reject outgoing mails in your firewall (ferm.conf style): Now we have time to investigate. … Continue reading

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#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

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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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