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Prepare three linux hosts We need three Linux nodes: HOST Specs For this tutorial i am using a RHEL linux distro (CentOS 7.9). Hostname IP RAM vCPUs srvrancher 192.168.202.10 4 GB 4 srvk8node01 192.168.202.11 4 GB 4 srvk8node01 192.168.202.12 4…
When working with databases in production is quite common that we start dealing with (too) large tables too late when there are zillions of rows and hundreds of GB of data. Therefore we got a little bit scared of “touching”…
Prepare DOcker Containers First we create two containers: one which for the replication Publisher and the other for replication Subscrber NOTE: we are using values suitable for testing purposes (eg. trust auth method and default password for postgres user) Logical…
This is a quick tutorial on how to use git. Git is a software for tracking changes in any set of files, usually used for coordinating work among programmers collaboratively developing source code during software development. Its goals include speed,…
This is a short tutorial on how to install, configure and start your own Kubernetes cluster.
