Questions tagged [overlayfs]
For questions concerning the Overlay Filesystem, which was included in Linux kernel 3.18.
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systemd-remount-fs randomly fails with "mount: /: mount point is busy."
I recently switched to a read-only root filesystem using Yocto (Kirkstone version) and use the Yocto volatiles feature to keep some directories writable - for instance the entire /etc, /home, etc...
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Remounting an overlayfs on underlying filesystem failure
I have quite a bit complex setup.
I'm running https://github.com/demostanis/demolinux. The root filesystem is made out of an overlayfs between a btrfs read-only subvolume and a read-write btrfs ...
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Load image to docker without dockerd
I want to load docker image without dockerd. (like docker load -i image.tar )
I see that when I load docker image there are files that added to only 2 directories: overlay2,image
How can I set the ...
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Mounting overlayfs in a user namespace with child mounts
I am trying to mount an overlayfs on /tmp from within a separate user & mount namespace. This works well unless /tmp already has a child mount in the original namespace, in which case this ...
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Separate default configurations and my own changes with a layered FS : /Data/etc/ upper layer in RO and /etc/ lower layer in RW?
I wish to separate the default packages configuration files (/etc/), and the configuration files I edited e.g. in /Data/etc/ (normally should be /usr/local/etc/, but let assume /Data/etc/).
This to ...
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Combing OverlayFS with A/B partition scheme
I'm wondering if it's possible to combine OverlayFS with A/B upgrade scheme and do so in a completely RO only way. This combines a few pieces of technology, so I'm not sure if its possible or the ...
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Mount overlay and assign owner to myuser
I've an entry in /etc/fstab like this:
overlay /etc/myfolder overlay defaults,x-systemd.requires-mounts-for=/var/data,lowerdir=/etc/myfolder,upperdir=/var/data/overlay/myfolder/upper,workdir=/var/...
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Hide docker mounts from udisks / file explorer
Recently, I moved my docker data from /var/lib/docker to the home directory: /home/me/data/docker. Since then, I see mounted storages in my file explorer (Nemo).
I've tried to google for udisks rules ...
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How to create a temporary filesystem overlay so all modified files go in one archive?
TLDR : I would like to execute a command that may read, create or modify files in the current folder. But I'd like all modified/created file to end up in an archive, and not actually modify the ...
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Unable to run Julia "BinaryBuilder" as part of a CI process in Ubuntu 22.04 environment
We have a GitLab CI runner set up on an on-prem computer. The runner is using the "shell" executor," so the jobs are running directly in the host environment.
We have an analysis tool ...
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EOVERFLOW when opening any file for writing
I'm writing a custom container engine. When I attempt to open any file for writing somewhere in the container (as long as that place is writeable, permissions-wise), I get an EOVERFLOW error (Value ...
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Overlayfs not working on kernel 6.1.31 on a Gentoo VPS
I have a VPS with Gentoo on it and the kernel overlay fs is not working.
These are the kernel options related to overlay
compiled into the kernel
cat .config | grep -i overlay
...
- 111
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Splitting disk writes between two filesystems based on file extension
Background
I am running a proprietary video & audio management application. It reads & writes large multimedia files but also uses a home-grown "database" for metadata. The database ...
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Mounting OverlayFS in fstab at startup
Is It possible to Mount OverlayFS from external partition in fstab and benefit from systemd services extensions at startup ? Thus overlay directory tree will add new systemd services configuration ...
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Chagnes done to the rootfs do not redirect to the overlay set in fstab
The fstab is a link to the next fstab file:
# <file system> <mount pt> <type> <options> <dump> <pass>
/dev/root / ext2 ro,noauto 0 1
proc ...
