Here are the steps I did to enable VirtualBox to work properly in Ubuntu with UEFI Secure Boot fully enabled*. The problem is the requirement that all kernel modules must be signed by a key trusted by the UEFI system, otherwise loading will fail. Ubuntu does not sign the third party vbox* kernel modules, but […]
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Gracefully killing a Java process managed by systemd
The basic way for systemd to stop a running service is by sending the SIGTERM signal (a regular kill) to the process control group of the service, and after a configurable timeout, a SIGKILL to make things really go away if not responding. Of course, all the details are configurable, and often times you’d have […]