Some time ago I’ve noticed that Skype UI on my Ubuntu machine was insisting on the need to apply updates constantly, and required message was in place in spite of running sudo apt update / sudo apt upgrade. After looking more carefully at sudo apt update output it turned out to be an issue with … Unable to update Skype on Ubuntu 20.04 – GPG/signature error
Sometimes one can commit a code with some (relatively) sensitive info into a public git repository. Typical first action in such scenario is to do a new commit with sensitive data removed, but one can be slow to remember that public GitHub repository has its commit history visible to everyone so irrespective of new commit … Clearing GitHub repo history
Recently it was necessary for me to prepare couple of VMs with CentOS Linux 8 to do some labs/practice, and in this blog post I just want to share my notes about the process/steps involved into creating CentOS 8 VM using Virtual Box. My base OS is Ubuntu 20.04, so I first needed grab DEB … Running CentOS 8 with Oracle VirtualBox
This blog post just lists AWS whitepapers recommended per specific AWS exam. You can find AWS whitepapers recommendations on each AWS exam page, but in this post I just tried to aggregate all of them in one place. So in case you want to convert yourself into AWS guru your summer reading list is ready. … AWS whitepapers & FAQs recommended per specific AWS exam
Just a quick note on removal of a node(s) from K2 servers farm. When you run K2 uninstall on one of the nodes, and obviously when you suddenly lose one of your nodes (server failure without ability to restore it), information about it still stored in K2 database and additional steps are required in that … Removing K2 node from K2 farm
