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0
votes
How to enable overlayfs (read only mode) on Raspberry Pi 3B + Raspberry Pi OS (Bookworm)
Overlayfs just doesn't seem to work at all, despite assurances to the contrary that "what we have already had been tested and works" in this github post. …
-1
votes
2
answers
239
views
How to enable overlayfs (read only mode) on Raspberry Pi 3B + Raspberry Pi OS (Bookworm)
TL;DR: This doesn't work in bookworm, so if you have this problem ditch it and go back to bullseye where overlayfs 'just works'.
Only read on if you want your eyes to bleed. … What points to the new initrd with overlayfs capabilities? …
3
votes
2
answers
4k
views
Raspbian: Enable/disable OverlayFS from terminal?
I know that I can enable/disable OverlayFS from the raspi-config, but do I do this from the terminal? Via a bash script for example. …
1
vote
1
answer
2k
views
Enabling overlayfs makes external drives read-only
After updating to bookworm enabling overlayfs via raspi-config seems to have changed its behaviour. …
2
votes
Accepted
Enabling overlayfs makes external drives read-only
After much hacking and googling on this:
raspi-config adds overlayroot=tmpfs in cmdline.txt to switch the overlayfs on. …
0
votes
Raspbian buster read-only system with nmcli issue - No plugin supported adding this connection
I could not use overlayfs because of the need to regularly switch to rw mode to store some things persistently.
I used the same technique as the originals poster. …
1
vote
0
answers
526
views
Flush/forget all changes to OverlayFS with read-only SD
raspi-config has the ability to enable the Overlay File System so that no changes are saved to the SD card. That is fantastic, but it seems the changes are saved in RAM. The problem is, when the Pi …
7
votes
2
answers
63k
views
How to get raspi-config on Ubuntu 20.04
I'd like to use it to easily control OverlayFS for example. Is this possible with Ubuntu on RPi 4? …
0
votes
1
answer
1k
views
Unable to change config.txt or cmdline.txt permanently
/etc/fstab mounts the boot partition to defaults, overlayfs does not seem enable (or I did not manage to see it)
Even when I use the raspi-config tool, it changes the files but when rebooting, changes …
1
vote
Read-only SD card and file system in RAM
It then
removes /new_root
creates an empty tmpfs partition (a partition that only lives in RAM)
mounts an OverlayFS partition under the name /new_root
OverlayFS lets you create a overlayed stack of …
1
vote
How can I use an init ramdisk (initramfs) on boot up Raspberry Pi?
Not tested this but have used a similar method to add overlayfs modules and a custom scripts to the the initramfs to enable RO operation. …
7
votes
How do I make the OS reset itself every time it boots up?
There are mainly two union filesystems: overlayfs and aufs. Both have the same basic model. The following is a dramatic simplification:
Filesystems are stacked vertically. … I prefer to use overlayfs because it is simple and part of the kernel. We only have to activate it. There are several scripts and HowTos on the web to do that but I prefer overlayroot. …
0
votes
OpenWrt to Raspberry Pi
For example it uses the Linux OverlayFS in conjunction with a read-only root filesystem image to provide for robust operation in the face of Flash memory corruption and arbitrary power cycling. …
0
votes
2
answers
1k
views
Compile kernel with overlayfs
I'm trying to build a read only version of raspbian using overlayfs, the kernel version my raspberry pi is running apparently doesn't include it i'm wondering how i can recompile my own kernel with overlayfs …
1
vote
Compile kernel with overlayfs
According to this Source:
Kernel version 3.18 and later, have the OverlayFS already on it.
However if you want to compile the kernel on your own following the aforementioned Source link. …