[CI:DOCS] Rewrite rootless --userns=auto docs

* Remove the statement that rootless --userns=auto does not work. * Mention that --userns=keep-id consumes all subuids and subgids. Co-authored-by: Tom Sweeney <[email protected]> Signed-off-by: Erik Sjölund <[email protected]>
flouthoc · Apr 12, 2022 · 923d454 · 923d454
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commit 923d454
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diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md
@@ -1288,7 +1288,8 @@ The `--userns=auto` flag, requires that the user name `containers` and a range o
 
 Example: `containers:2147483647:2147483648`.
 
-Podman allocates unique ranges of UIDs and GIDs from the `containers` subordinate user ids. The size of the ranges is based on the number of UIDs required in the image. The number of UIDs and GIDs can be overridden with the `size` option. The `auto` options currently does not work in rootless mode
+Podman allocates unique ranges of UIDs and GIDs from the `containers` subordinate user ids. The size of the ranges is based on the number of UIDs required in the image. The number of UIDs and GIDs can be overridden with the `size` option.
+The rootless option `--userns=keep-id` uses all the subuids and subgids of the user. Using `--userns=auto` when starting new containers will not work as long as any containers exist that were started with `--userns=keep-id`.
 
   Valid `auto` options: