Free & Open Community Edition Server in a Complete Virtual Machine
...For better performance, Increase the CPU Count & Memory in the VM's Settings, as available on the physical machine. Also, read the koha guidelines, given on the Wiki Page of this site, for choosing the right hardware resources.
Backup the system regularly, to avoid any issues, as in the video.
Google Search helps in finding more about Koha.
DIASER, Geo-data duplication long-term archive system & WAN vault. Manage mixed data archives generated by existing backup software. Ensure availability using commodity hardware. Retain administrative and financial control.