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raspberry:read_only [2021/05/27 13:51] admin [Read-Only SD Card] |
raspberry:read_only [2021/05/27 14:23] (current) admin [Remount] |
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===== Read-Only SD Card ===== | ===== Read-Only SD Card ===== | ||
- | How to change your SD card to a read-only mode.\\ | ||
- | [[http:// | ||
- | [[https:// | ||
- | ==== Fstab ==== | + | If one needs a Raspberry Pi that shuts down save by just unplugging and without having the risk of corrupting the SD card one has to change the SD card to a read-only mode.\\ |
- | in: | + | |
+ | ---- | ||
+ | ==== Drives | ||
+ | In the fstab: | ||
$ sudo nano /etc/fstab | $ sudo nano /etc/fstab | ||
- | change: | + | one has to change |
/ | / | ||
tmpfs / | tmpfs / | ||
---- | ---- | ||
- | ==== Disable some Programms | + | ==== Disable some Programs |
- | disable rsyslog and dphys-swapfile: | + | One has to disable |
$ sudo systemctl disable rsyslog | $ sudo systemctl disable rsyslog | ||
$ sudo systemctl disable dphys-swapfile | $ sudo systemctl disable dphys-swapfile | ||
+ | |||
+ | If one needs a programs that requires writing one has to make sure that will be in the temporary drive. That could be done for example with a symbolic link: | ||
+ | $ ln -s / | ||
---- | ---- | ||
==== Remount ==== | ==== Remount ==== | ||
- | To remount the partition | + | |
+ | For changes in the system one has to remount the partition | ||
$ sudo mount / -o remount,rw | $ sudo mount / -o remount,rw | ||
+ | |||
+ | ---- | ||
+ | ==== Links ==== | ||
+ | |||
+ | [[http:// | ||
+ | [[https:// | ||
---- | ---- |