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Julia Gugel

pgconf.eu – Welcome to the community

18.10.2019 by Julia Gugel

On tuesday I started my journey to Milan to attend my first pgconf.eu, which was also my first big conference. I was really excited what will come up to me. How will it be, to become a visible part of(…)

Database Administration & Monitoring

Patroni Operations – switchover and failover

11.10.2019 by Julia Gugel

In this post we will have a look at switchover and failover of a Patroni cluster. As well as a look at the maintenance mode Patroni offers, which gives the opportunity to prevent from an automatic failover.

Operating systems

Upgrading from OpenLeap to SLES15

19.08.2019 by Julia Gugel

Sometimes business plans change and maybe you need to move your OpenLeap 15 Server to the supported version SUSE Linux Enterprise Server 15. Upgrade is getting really easy with version 15. It can be performed online. So your server does(…)

Database Administration & Monitoring

SUSE Expert Day Zürich

28.05.2019 by Julia Gugel

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"(…)

Database Administration & Monitoring

Two node patroni does not failover when one node crashes

30.04.2019 by Julia Gugel

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(…)

Database Administration & Monitoring

DC/OS: Install Marathon-LB with keepalived

13.11.2018 by Julia Gugel

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,(…)

Database Administration & Monitoring

Deploy DC/OS using Ansible (Part 2) – Playbooks

26.10.2018 by Julia Gugel

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(…)

Database Administration & Monitoring

Deploy DC/OS using Ansible (Part 1) – Getting Started

26.10.2018 by Julia Gugel

To start into this topic I want to shortly explain some basics. Afterwards I show you how to prepare the configuration files.

Redhat Forum 2018 – everthing is OpenShift

12.09.2018 by Julia Gugel

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(…)