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Pshem Kowalczyk

Pshem Kowalczyk 11

I'm a technology enthusiast with over 20 years of history of dealing with Linux, programming and networking. I keep looking for new ways of doing things. Auckland, New Zealand
04 Mar 2020

Running (and debugging) iptables inside a Docker container

Sometimes there's a need to run iptables inside a Docker container. The most common scenario is probably when the container is attached not to a…

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01 Jul 2019

Automatically configuring EC2 instance using Ansible in pull mode during bootstrap

In two previous posts I showed how to use Ansible to configure an EC2 instance, after it was created. Even though that might be useful…

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28 Jun 2019

Copying files into an EC2 instance during bootstrap using CloudFormation

It might be useful to copy files into an EC2 instance whilst it's being built. Those can be configuration files for the application, authentication keys…

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25 Jun 2019

Automatically mounting an EBS volume using Ansible

When creating new EC2 instances that require persistent EBS volumes there's a number of steps that have to be carried out before the disk can…

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24 May 2019

Automatically setting hostname of an EC2 instance using Ansible

Sometimes there's a need to automatically setup the hostname of an EC2 instance. This post shows how to do it from 'outside' of the instance…

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