pacemaker won’t start because duplicate node but can’t remove dupe node because pacemaker won’t start

OK! Really new to pacemaker/corosync, like 1 day new. Software: Ubuntu 18.04 LTS and the versions associated with that distro. pacemakerd: 1.1.18 corosync: 2.4.3 I accidentally removed the nodes from my entire test cluster (3 nodes) When I tried to bring everything back up using pcsd GUI, that failed because the nodes were “wiped out”.…

How can I easily (e.g. as easy as rsync or SCP) do a high speed (1gpbs) file transfer over an Internet-latency link?

A few times per year, I need to transfer massive files (20+GBs) over the Internet (latency 20-100ms), but with reasonably fast connections on the order of 1gbps between servers. Unfortunately, when I use rsync to do so it has all sorts of issues and repeatedly fails to saturate the connection, only using all of it…

What pieces are involved in managing sub domains DNS records in this example

I’m trying to educate myself on DNS management, trying to get the big picture on large domain names architectures. If this is not the right place to ask this kind of question, please let me know! Let’s say we have example.com, serving different services like www.example.com, service1.example.com, service2.example.com from a central point (servers cluster, with…