JPA and postgres transaction isolation

The short story: the default Postgres transaction isolation level can lead to trouble in a web application. I'm showing here a way to change it in a Spring/JPA application. The long story: One of the applications I worked recently on consists of a rich client which issues an HTTP request for every little thing it … Continue reading JPA and postgres transaction isolation →

Ubuntu: physical power button not working

At some point the physical power button on my file server (ubuntu 12.04) stopped working and I had to do a software shutdown everytime. The solution is to (re) install acpi: sudo apt-get install acpi sudo apt-get install --reinstall acpi-support