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authorErik Sjölund <erik.sjolund@gmail.com>2022-01-15 12:59:32 +0100
committerErik Sjölund <erik.sjolund@gmail.com>2022-01-15 12:59:32 +0100
commitbb3097cd0a0c9df9818a3eb48eee92eed6107061 (patch)
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[CI:DOCS] Unprivileged native overlayfs is now supported
Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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@@ -25,8 +25,8 @@ can easily fail
* When a container root process like YUM attempts to create a file owned by a different UID, NFS Server/GPFS denies the creation.
* Does not work with homedirs mounted with noexec/nodev
* User can setup storage to point to other directories they can write to that are not mounted noexec/nodev
-* Can not use overlayfs driver, but does support fuse-overlayfs
- * Ubuntu supports non root overlay, but no other Linux distros do.
+* Support for using native overlayfs as an unprivileged user is only available for Podman version >= 3.1 on a Linux kernel version >= 5.12, otherwise the slower _fuse-overlayfs_ may be used.
+ * A few Linux distributions (e.g. Ubuntu) have supported even older Podman and Linux kernel versions by modifying the normal Linux kernel behaviour.
* Only other supported driver is VFS.
* Cannot use ping out of the box.
* [(Can be fixed by setting sysctl on host)](https://github.com/containers/podman/blob/master/troubleshooting.md#5-rootless-containers-cannot-ping-hosts)