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Scout24 / kiosk-browser

Debian package to set up a system as a kiosk browser
GNU General Public License v3.0
33 stars 16 forks source link

Read-only filesystem #8

Closed probonopd closed 9 years ago

probonopd commented 9 years ago

Make filesystem read-only so that power can be cut off at any time without any danger to the system. E.g., a combination of overlayfs and squashfs could be used, as it is done in OpenWrt. http://wiki.openwrt.org/doc/techref/filesystems

schlomo commented 9 years ago

ATM kiosk-browser is intended to be used on a regular Ubuntu/Debian Linux distribution. The software maintenance model for those distros is to run package updates over a long period of time. kiosk-browser fits well into this model (our web terminals update every night).

Having a read-only file system would have to be implemented on the OS level, not in kiosk-browser. Since a couple of months ago kiosk-browser uses a temporary directory as a HOME directory so that kiosk-browser itself actually would also work if installed on a system with /usr mounted read-only.

Of course, you would have to solve the software maintenance problem somehow differently.