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doc/idmap: Clarify subuid/subgid configuration

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Signed-off-by: Stéphane Graber <stgraber@stgraber.org>
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Stéphane Graber
2024-11-04 19:58:23 -05:00
parent 0282a237cc
commit 31d411d857
1 changed files with 5 additions and 1 deletions
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doc/userns-idmap.md
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@@ -26,7 +26,7 @@ kernels but will refuse to start containers.
## Allowed ranges
On most hosts, Incus will check `/etc/subuid` and `/etc/subgid` for
allocations for the `incus` user and on first start, set the default
allocations for the `root` user and on first start, set the default
profile to use the first 65536 UIDs and GIDs from that range.
If the range is shorter than 65536 (which includes no range at all),
@@ -91,3 +91,7 @@ host, and the third entry is the range inside the container. These ranges must
be the same size.
This property requires a container reboot to take effect.
Remember that you may need to add an entry for the `root` user into
`/etc/subid` and/or `/etc/subgid` so the container is allowed to make
use of it.