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Docker on openSUSE

October 2, 2019 by Igor Drobot Leave a Comment

The official Docker documentation is more than enough for the installation and configuration.

For the quick jump into the docker world I wrote some references from the official documentation down.
So the most important steps from the requirements and the main guideline for the installation:
– Docker requires a 64-bit installation
– Kernel must be 3.10 at minimum

[Read more…]

Filed Under: Linux Tagged With: Docker, openSUSE

git diff side-by-side

September 30, 2019 by Igor Drobot Leave a Comment

During committing of larger feature over GIT, I recognised a need to perform a side by side diffs instead the typical line-in-line diffs which are default by running git diff or the same line-by-line diff which is provided by the Fork.app

However you can do side-by-side diffs with git!

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Filed Under: Linux Tagged With: developer, GIT

WireGuard site2site VPN

September 29, 2019 by Igor Drobot Leave a Comment

WireGuard(WG) aims to provide a VPN that is both simple and highly effective.
Also to make a really good alternative technology to the existing like IPsec or OpenVPN.


WG is a free and open-source software application and communication protocol that implements virtual private network (VPN) techniques to create secure point-to-point connections in routed or bridged configurations.

I tried WG in a complex high availability datacenter setup and replaced a couple of existing OpenVPN connections with wireguard.
The result was performant and simple at once.

[Read more…]

Filed Under: Linux Tagged With: IPsec alternative, OpeVPN alternative, security, VPN, WireGuard

Bootstrapping EC2 instances

August 17, 2019 by Igor Drobot Leave a Comment

You are using for sure agile methods to manage your infrastructure or deploy code on your application-systems and maybe running automatically patch-management on them.
AWS EC2-instances can be also automated and this can happen at the creation point of each single instance.

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Filed Under: Linux Tagged With: Amazon, AWS, Bootstrapping, EC2

Switch from bash to zsh

August 8, 2019 by Igor Drobot Leave a Comment

Over last six years I used bash-it framework on my MAC OS X system on my work and was really happy with the flexibility.
Only the performance was getting over the time very bad.
Sometimes I had to wait ~3 seconds for a new session or terminal window.
I have also to say, my bash-environment was overloaded with different sources, checks and autocompletions, which are triggered by .bash_profile…

[Read more…]

Filed Under: Linux Tagged With: bash, MAC OS X, oh my zsh

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