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Diffstat (limited to 'docs/source/markdown/podman-run.1.md')
| -rw-r--r-- | docs/source/markdown/podman-run.1.md | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index 8f72d4f49..52143c934 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -1290,6 +1290,15 @@ When a user namespace is not in use, the UID and GID used within the container a Set the user namespace mode for the container. It defaults to the **PODMAN_USERNS** environment variable. An empty value ("") means user namespaces are disabled unless an explicit mapping is set with the **--uidmap** and **--gidmap** options. +Rootless user --userns=Key mappings: + +Key | Host User | Container User +----------|---------------|--------------------- +"" |$UID |0 (Default User account mapped to root user in container.) +keep-id |$UID |$UID (Map user account to same UID within container.) +auto |$UID | nil (Host User UID is not mapped into container.) +nomap |$UID | nil (Host User UID is not mapped into container.) + Valid _mode_ values are: **auto**[:_OPTIONS,..._]: automatically create a unique user namespace. @@ -1299,6 +1308,7 @@ 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 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: @@ -1313,10 +1323,11 @@ The rootless option `--userns=keep-id` uses all the subuids and subgids of the u **keep-id**: creates a user namespace where the current rootless user's UID:GID are mapped to the same values in the container. This option is ignored for containers created by the root user. +**nomap**: creates a user namespace where the current rootless user's UID:GID are not mapped into the container. This option is ignored for containers created by the root user. + **ns:**_namespace_: run the container in the given existing user namespace. **private**: create a new namespace for the container. - This option is incompatible with **--gidmap**, **--uidmap**, **--subuidname** and **--subgidname**. #### **--uts**=*mode* |