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Tuesday, March 7, 2023

how to setup mariadb galera cluster in docker container

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 1. create network (one time)    docker network create --subnet=172.18.0.0/16 mynet123 2. create image that can start service in container (...
Thursday, February 24, 2022

Best place I think docker container is for

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 docker container has been with us for many years. For software engineer which deal with legacy application, it can be intimidating to migra...
Friday, June 25, 2021

How to cherry pick on a commit but only a few files from upstream patch

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I forked a repository from upstream and there was a patch I like and I would like that patch goes into my forked repository. But at the same...
Monday, June 21, 2021

Continuous Integration with GitHub Action

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This is a contribution to the SUSE Cloud Native Foundations Scholarship Program which I received and some of the peers want a CI online dem...
Friday, December 18, 2020

OpenHAB vs Xiaomi Sensor

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original from https://www.planetknauer.net/blog/archives/2020-12-OpenHAB-vs-Xiaomi-Sensoren.html   Some time ago I started to use OpenHAB to...
Thursday, November 26, 2020

How does Reverse DNS work behind the scene - a layman explanation

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Ever wonder what actually happen behind the scene when you do a reverse DNS query? It is quick and it return a value. $ time dig -x 8.8.8....
Friday, October 2, 2020

cassandra 4.0 important points

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Recently I have read a very good apache cassandra 4.0 books as available here . I would really like to recommend this book if you are new or...