The goal is to understand what happens with HashiCorp Vault when we choose the auto unseal option. I will show you by using GCP Cloud KMS for the unsealing. Disclaimer: I assume that you have at least one GCP project where you can create and manage KMS keys. …

We wanted to migrate from one database to an other. For the sake of simplicity let’s say we moved from MySQL to PostgreSQL. Our database had 100 million rows in certain tables, so that’s not the easiest migration. Many things can occur because even in the best case scenarios it…

This post will guide you how to setup Keep Network’s local environment. It will follow the original guidance but in more details. At the time of writing this guide I used CentOS 8, so it aims that OS, but I tried to cover the other ones too with links. Install prerequisites These…

This is a story about my latest question on Stackoverflow (and probably the last). The question is mostly about implementing a trait in Rust, but I have faced some issues. …

Okay…I wasn’t actually hacked, they only tried to hack me. This is the story of me analysing what could have really happened. Story Back in the days I used to play travian, I liked to compete with other players, build the WW as a clan and win. But what I really…

However the storage under the VM instances are limited, it doesn’t mean that the storage is limited. If we have a scenario where the database is close to the storage limitation we can enlarge that with the flexibility of the xfs. We have two scenarios where I used Couchbase (because…

Co-author: Robert Boros In the previous posts we set up a Percona XtraDB Cluster for 5.7 and 8.0 as well. So this post assumes that you have these clusters and they are running properly. The idea behind the zero-downtime migration is to setup a replication between the 5.7 and 8.0…

I wrote a post about the setup of the 5.7 version. In this post I don’t want to repeat myself, so I just highlight the differences/new things under the setup of 8.0, so it’s strongly recommended to read that post first. Note: If you read the previous post, keep in…

This post will walk you through how to setup Percona XtraDB Cluster 5.7. There are 2 nodes available for which I have previously created. The first one is a CentOS 8 server and the second one is a Debian 10. Based on these servers I can explain both installation processes. …