forked from root/public
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942 B
942 B
OS Deployment
Image creation steps
- Installation of Ubuntu
- minimal OS installation (downloads ~200 MB)
- Software installation (downloads ~900 MB)
- Optimization
- improve speed
- reduce image size
- reduce power (CPU) & memory usage
- reduce surface of attack
- reduce bandwidth usage
- Customization
- machine-dependent (drivers, bug workarounds...)
- time zone of the school
- school scripts
- Cleaning
- logs
- temporary files
- histories
- caches
- auto-generated IDs
- Preparation of the disk image
- zero unallocated space of filesystem (~7 GB of data remains)
- (optional) create compressed image with lz4 (the resulting image is ~3.2 GB)
Network installation
- Boot through PXE UDPcast which allows an efficient transfer of the disk image (using multicast or broadcast)