On May 16th I visited the SUSE Expert Day in Zürich. An interesting Agenda was waiting for me, all under the topic: “My kind of open”
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A few days ago I had the interesting mission to build a two Node Patroni Postgres 9.6 Cluster using etcd in our openDB Appliance environment. Sounds easy, one leader, one secondary, both running etcd, that’s it. But that’s only the first impression.
After the minimal setup of the DC/OS in my further articles, I wanted to extend my DC/OS and add a loadbalancer. There are two options for loadbalancing in DC/OS 1. Marathon-LB (a layer 7 load balancer, used for external requests, based on HAProxy) 2. Named VIPs (a layer 4 load balancer used for internal TCP traffic) In this article we will use Marathon-LB. In case you want to read more about the VIP solution, just…
Finally, after all the configuration stuff is done, we can run the playbooks Create SSH Access First the SSH Access on all nodes need to be created. Therefore the access-onprem.yml is used: Be careful, I used CentOS on my system, so I commented the apt-get and the debian-based part out. If you want to run the playbook on another operating system, adjust it carefully. --- # This playbook enable access to all ansible targets via...
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To start into this topic I want to shortly explain some basics. Afterwards I show you how to prepare the configuration files.
I had an exiting and informational day at Redhat Forum Zurich. After starting with a short welcome in the really full movie theater in Zurich Sihlcity, we had the great pleasure to listen to Jim Whitehurst. With humor he told about the success of Redhat during the last 25 years. The partner and success stories of Vorwerk / Microsoft / Accenture / Avaloq / Swisscom and SAP showed impressivly the potential and the usage of…