gogolok

Korifi 0.12.0

Wed, 05 Jun 2024 11:26:03 +0200

The Korifi community has released Korifi 0.12.0. If you want to quickly try it out, please check the install Korifi on kind guide.

What is Korifi Link to heading

Korifi is an offering built by the Cloud Foundry community. Korifi’s purpose is to deliver an inherently higher order abstraction over Kubernetes, ultimately enabling developers to focus on building applications.

What’s Changed? Link to heading

For the official relese changes, take a look at the release notes for Korifi 0.12.0.

Built-in min and max functions in Go 1.21

Tue, 08 Aug 2023 07:47:12 +0200

Go 1.21 brings the two built-in functions min and max to compute the smallest or largest value of a fixed number of arguments of ordered types.

Only a fixed number of arguments is supported. Go needs to know the number of arguments at compile time.

For string arguments the result for min is the first argument with the smallest (or for max, largest) value, compared lexically byte-wise.

Quickly Setup Samba on FreeBSD 13

Mon, 13 Mar 2023 00:00:00 +0000

Some notes how I’ve quickly set up Samba share for my macOS machines in the local network.

Installation Link to heading

# pkg install samba413

Samba Configuration Link to heading

# vim /usr/local/etc/smb4.conf

[global]
workgroup = WORKGROUP
server string = FreeBSD Server Samba
netbios name = freebsd-desktop
wins support = yes
security = user
passdb backend = tdbsam


[archive]
path = /backuppool/archive
valid users = gogo
public = no
writable  = yes
browsable = yes
read only = no
guest ok = no
create mask = 0755
directory mask = 0755

pdbedit -a -u gogo
new password:
retype new password:

Enable Samba Server Link to heading

sysrc samba_server_enable="YES"

service samba_server start

My Freebsd 13 Setup

Sun, 25 Apr 2021 00:00:00 +0000

From time to time I’m doing some stuff on FreeBSD. I still like it for its simplicity (I’m old and Linux is progressing way to fast ;-).

I’m keeping some notes how to set up FreeBSD manually in this blog post. For newer versions of FreeBSD I’ll create a new post.

Disadvantages:

manual setup

Update to Latest Stable Version Link to heading

After a fresh install, we first apply latest updates to the current FreeBSD version.

Kubernetes: Finalizers and Custom Controllers

Sun, 25 Oct 2020 00:00:00 +0000

Authors Link to heading

Matthew Doherty
Philipp Kuntz
Robert Gogolok

Introduction Link to heading

In the last blog post we provided an introduction to Kubernetes Finalizers.

In the introduction we covered the basic mechanics of how finalizers allow controllers to implement asynchronous pre-delete hooks. Simply put they inform the Kubernetes control plane that an action needs to take place before Kubernetes garbage collection logic can be performed.

Happy Programmer's Day 2020

Sat, 12 Sep 2020 00:00:00 +0000

I love programming.

A long time ago in a galaxy far, far away … I’ve got a Nintendo NES. It was nice to play Super Mario, Mega Man, and other classic games, but the games were rather expensive. So I convinced my parents to buy an even more expensive personal computer (PC). Games for the PC were also expensive, so I looked into other stuff I can do with a PC. I’ve figured out that a PC can be used in many different ways beyond gaming and I got a book about C++, learned about Linux, got into the Internet, and found out about the K Desktop environment (KDE). This is when I became more familiar with programming and started contributing to KDE and other Open Source projects.

Kubernetes: Finalizers in Custom Resources

Thu, 10 Sep 2020 00:00:00 +0000

Authors Link to heading

Matthew Doherty
Philipp Kuntz
Robert Gogolok

Introduction Link to heading

When extending the Kubernetes API with CustomResourceDefinitions you’ll come across the dilemma to clean up external resources when deleting a custom resource. Although you can create a custom resource simply to store and retrieve structured data, most of the time there is some entity involved, like custom controllers . The controller will manage this resource and create other external resources to handle the semantics of that resource. Those external resources should not live forever once the custom resource does not exist anymore.

My iTerm2 Setup

Mon, 04 May 2020 00:00:00 +0000

I extend the default installation of iTerm2 in the following ways.

Key Shortcuts Link to heading

Move Cusrsor One Worl Left Link to heading

Keyboard shortcut: option + left arrow

Action: Send Hex Code

Code: 0x1b 0x62

Move Cusrsor One Worl Right Link to heading

Keyboard shortcut: option + right arrow

Action: Send Hex Code

Code: 0x1b 0x66

My Freebsd 12 Setup

Sat, 18 Apr 2020 00:00:00 +0000

From time to time I’m doing some stuff on FreeBSD. I still like it for its simplicity (I’m old and Linux is progressing way to fast ;-).

I’m keeping some notes how to set up FreeBSD manually in this blog post. For newer versions of FreeBSD I’ll create a new post.

Disadvantages:

manual setup

Update to Latest Stable Version Link to heading

# freebsd-update fetch install
# shutdown -r now

# pkg
The package management tool is not yet installed on your system.
Do you want to fetch and install it now? [y/N]:

Sudo Link to heading

# pkg install sudo

# vi /usr/local/etc/sudoers
%wheel ALL=(ALL) ALL

Shell Link to heading

# pkg install bash zsh

New User And Default Shell Link to heading

# adduser
Username: gogo
Full name:
Uid (Leave empty for default):
Login group [gogo]: wheel
Login group is wheel. Invite gogo into other groups? []:
Login class [default]:
Shell (sh csh tcsh bash rbash zsh rzsh nologin) [sh]: zsh
Home directory [/home/gogo]:
Home directory permissions (Leave empty for default):
Use password-based authentication? [yes]
Use an empty password? (yes/no) [no]:
Use a random password? (yes/no) [no]:
Enter password:
Enter password again:
Lock out the account after creation? [no]:
Username   : gogo
Password   : *****
Full name  :
uid        : 1001
Class      :
Groups     : wheel
Home       : /home/gogo
Home Mode  :
Shell      : /usr/local/bin/zsh
Locked     : no
Ok? (yes/no): yes
adduser: INFO: Successfully added (gogo) to the user database.
Add another user? (yes/no): no
Goodbye!

Please log in to the new user from now on.

Switched to Hugo

Mon, 20 Aug 2018 23:52:39 +0200

This site is being generated by Hugo from now on.

Enable Insecure Registry on Kitematic

Tue, 09 Feb 2016 23:47:55 +0200

In order to use an insecure registry with Kitematic, you can follow the steps below:

Login to the Kitematic box, e.g. double click in VirtualBox on the kitematic machine that is named ‘default’ by default :-)
Edit the file /var/lib/boot2docker/profile and append to EXTRA_ARGS the --insecure-registry parameter:

EXTRA_ARGS='
...
--insecure-registry myregistrydomain.com:5000
'

Restart docker /usr/local/etc/init.d/docker restart

You should now be able to push an image to your insecure registry.

How to Use ActiveSupport Within Sinatra

Fri, 15 Aug 2014 23:36:32 +0200

# Gemfile
source 'https://rubygems.org'

gem 'sinatra', '1.4.5'
gem 'activesupport', '4.1.4'

# app.rb
require 'active_support/all'
require 'sinatra'

Time::DATE_FORMATS[:my_datetime] = "%Y-%m-%d Hour: %H Minute: %M Second: %S"

get '/' do
  Time.now.to_s(:my_datetime)
end

https://gist.github.com/gogolok/5877734

Rails Girls Luxembourg: Rails Coach

Wed, 16 Apr 2014 23:45:30 +0200

I’m helping Rails Girls Luxembourg as a Rails coach this May.

Generating PDFs With Prawn and Ruby

Wed, 16 Apr 2014 23:41:37 +0200

I’ve written a guest post at http://blog.anynines.com/generating-pdfs-prawn-ruby/.

Freebsd 9.1 Upgrade

Thu, 03 Jan 2013 23:44:27 +0200

I’ve upgrade all my servers to FreeBSD 9.1. It’s an easy task following the ‘Upgrading Using “FreeBSD Update”’ section.

Railswaycon 2012 Mobile Backends in Ruby on Rails

Wed, 10 Oct 2012 23:42:59 +0200

Julian Fischer Avarteq GmbH und Robert Gogolok Avarteq GmbH

17.10.2012 | 10:30 – 11:30 Uhr | Zagrebsaal 2

Ruby on Rails has become a well accepted and highly appreciated tool for building modern web apps. A complete and well cultivated eco system has been created over the years. Now the increasing demand for mobile applications raises a demand for well designed (JSON) APIs to talk to. It is not less than a perfect match. Ruby on Rails is so sweet to build both web apps as well as APIs to be consumed by mobile apps. In this talk you will have a look at common challenges such as authentication, designing the API’s JSON structures as well as how to minimize traffic between your mobile app and its backend. Exemplary ways to encounter those challenges will be illustrated on both sides: the rails server and the mobile app. At the end of this talk you will have a basic plan on how to approach a mobile app using Ruby on Rails and how build its backend, easily.

Euruko 2012 Trip Report

Sun, 03 Jun 2012 23:07:36 +0200

Last week, I was able to attend Euruko 2012 in Amsterdam with a few of my colleagues from Avarteq. We arrived thursday night, hence we missed the boat party at thursday night.

The conference was held in the Pathé Tuschinski. Pathé Tuschinski is a beautiful movie theatre. Nearly 600 attendees occupied the theatre, quite amazing, as the “Happy Friday Hug” depicts.

My favorite talk at the conference was “JRuby, dudes!” by Charles Nutter. He successfully gave an in-depth presentation of JRuby with practical examples. I also liked the beginner friendly talk “Ruby’s big men” by Elise Huard. Elise described in a simple manner the garbage collector in Ruby and its various implementations. As an iOS developer I also enjoyed Eloy Duran with his talk about CocoaPods.

Sinatra and I18n Support

Fri, 18 Nov 2011 23:22:18 +0200

I’ve posted a sample sinatra app using the i18n gem on https://github.com/gogolok/examplegogo/tree/master/sinatra/i18n.

bcfg2 - Talk and Paper

Thu, 01 Mar 2007 00:00:00 +0000

Gave a talk with Marko Jung in german about bcfg2. The talk was part of the GUUG-Frühjahrsfachgespräch 2007 in Berlin.

The german abstract says:

Bcfg2 hilft Systemadministratoren eine konsistente, reproduzierbare und verifizierbare Spezifikation ihrer Systemumgebung zu erstellen und bietet mit Visualisierungs- und Reporting-Tools notwendige Werkzeuge für alltägliche administrative Aufgaben.

Das distributions- und plattformübergreifende Tool basiert auf einem Modell, in welchem die Systembeschreibung verwendet werden kann, um den Status von Systemen zu validieren und (optional) anzupassen. Als Alleinstellungsmerkmal bietet bcfg2 die Möglichkeit, die Vollständigkeit der Spezifikation aufgrund der Rückmeldungen der Konfigurationsclients zu überprüfen. Dieses Feature ermöglicht es eine akkurate, allumfassende Konfiguration zu definieren.

Bilder von Spiesen, Saarland, Deutschland

Mon, 01 Jan 0001 00:00:00 +0000

Ein Blick auf das Tal, wenn es aufwacht.

Ein Blick von der Straße Mühlentalblick auf den Fußballplatz.

Impressum

Mon, 01 Jan 0001 00:00:00 +0000

Impressum Link to heading

Angaben gemäß § 5 TMG

Robert Gogolok

Kontakt:

E-Mail: robertgogolok@yahoo.de

Verantwortlich für den Inhalt nach § 55 Abs. 2 RStV:

Robert Gogolok

Haftungsausschluss:

Haftung für Links

Unser Angebot enthält Links zu externen Webseiten Dritter, auf deren Inhalte wir keinen Einfluss haben. Deshalb können wir für diese fremden Inhalte auch keine Gewähr übernehmen. Für die Inhalte der verlinkten Seiten ist stets der jeweilige Anbieter oder Betreiber der Seiten verantwortlich. Die verlinkten Seiten wurden zum Zeitpunkt der Verlinkung auf mögliche Rechtsverstöße überprüft. Rechtswidrige Inhalte waren zum Zeitpunkt der Verlinkung nicht erkennbar. Eine permanente inhaltliche Kontrolle der verlinkten Seiten ist jedoch ohne konkrete Anhaltspunkte einer Rechtsverletzung nicht zumutbar. Bei Bekanntwerden von Rechtsverletzungen werden wir derartige Links umgehend entfernen.

Projects

Mon, 01 Jan 0001 00:00:00 +0000

Spielberichte K1

Mon, 01 Jan 0001 00:00:00 +0000

Für K1 hab ich mir die Mühe gemacht und für einige Fußball-Spieltage Spielberichte geschrieben, die dann auch auf Facebook unter anderem veröffentlicht wurden.

2022-03-26 - F-Jugend - 2. Spieltag Bildstock Link to heading

Männliche F-Jugend: Keine Punkte in Bildstock

Der 2. Spieltag im neuen Jahr fand am Samstag, 26.03.2022, für die F-Jugend in Bildstock statt. Bei sehr schönem sonnigen Wetter war jedoch nicht viel drin. Zwei Spiele wurden klar verloren. Die zwei weiteren Spiele wurden jeweils mit 0:1 abgegeben, wobei eins davon in der 19. (!) Spielminute irregulär verloren wurde, da der Treffer durch einen weiten Abschlag kurz vor das Tor der Spieser Jungs eingeleitet wurde. Wie dem auch sei, für den nächsten Spieltag müssen noch einige Jungs aus dem Winterschlaf aufwachen und dann folgen sicherlich wieder Siege.

The Now Page

Mon, 01 Jan 0001 00:00:00 +0000

WHAT I’M DOING NOW Link to heading

(This is a now page, and if you have your own site, you should make one, too.)

Where Link to heading

I’m currently living in Saarland, Germany, probably for the rest of my life.

What Link to heading

Mastering Go and Rust.
Reading stuff about Cryptography and How AI Works.
Trying to figure out how to boost my pension, for example with ETFs.
Helping my kids through challenges of life without being myself a challenge for them.

THG-Prämie

Mon, 01 Jan 0001 00:00:00 +0000

Wir besitzen zwei E-Autos.

Folgende THQ-Prämien haben wir bisher verdient:

Auto 1 Link to heading

Jahr	Anbieter	Typ	Betrag
2022	Geld für eAuto	Fix	400
2023	Geld für eAuto	Fix	250
2024	ADAC	Fix	120
2025	E-GELD24	Fix	87
2026	Quotlix	Fix	315

Auto 2 Link to heading

Jahr	Anbieter	Typ	Betrag
2024	ADAC	Fix	110
2025	E-GELD24	Fix	87
2025	E-GELD24	Fix	87
2026	Carbonify	Fix	298