This article will explore building geo-distributed applications, with a particular focus on using NewSQL databases.
If you can endure some theory, you will be richly awarded in the end with sample code to run your WordPress-powered blog or CMS across three (!) Kubernetes clusters in three (!) different geographical regions.
Backups are important. How many times have you read that you should always backup before doing this or that? How many times did the documentation actually explain how and what you should backup? And if it did, did it also explain how to restore the backup if needed? Unfortunately, backup and restore documentation is often lacking. And this is the case even for serious projects like Kubernetes. Read on to learn more about backups in Kubernetes how to do them, what to include and why.
A very serious security flaw (CVE-2018-1002105) has just been found and patched for Kubernetes. It affects versions prior to v1.10.11, v1.11.5, and v1.12.3. The newly released v1.13 is not affected. Update your Kubernetes clusters immediately, and then come back to read about it here!