If you connect to the database through SSH you may come across this message. Error message Server key did not validate in SQL Developer I frequently use SSH to connect to the Oracle database through some jump server. It is straightforward to set up; I blogged about it over six years ago. Today my Windows PC had the BSoD , and after it came back, I had this error when I tried to connect to the database again: ...
I struggled to connect to the console of a newly created VM. The VM was created using Oracle VM Manager (OVMM) and despite efforts to install the required packages I could not use the console button in the Manager interface. I noticed that the VNC server built into the VM was listening on 127.0.0.1 only (on the OVM server), you can see this if you check the file vm.cfg for the guest. Without analysing how the OVMM would try to connect to the VNC server on the other host I decided to create an ssh tunnel from my Mac to the OVM server: ...
… on a server in the sky I had two things on my agenda, test out HP Cloud and ThinkUp. HP Cloud is still in private beta, but I was lucky to get an invitation after registration. They aim to compete with Amazon Web Services (AWS) and so far I think they have a good chance. It is rather easy to just order and set up a new server in the cloud. A simple and easy interface with few buttons. It is tempting to include a few screen shots here, but I’m not sure if the agreement I just signed allows it. If they expand the interface with more features I hope they keep this simple version for impatient people who just need a server right now. I’ve had great fun with AWS also, but it is crowded with features and things to figure out. For my need of testing a web application the HP Cloud seems just perfect. ...