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Diffstat (limited to 'docs/source/markdown/podman-pod-create.1.md')
| -rw-r--r-- | docs/source/markdown/podman-pod-create.1.md | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/docs/source/markdown/podman-pod-create.1.md b/docs/source/markdown/podman-pod-create.1.md index 1bf14efdb..403a317ea 100644 --- a/docs/source/markdown/podman-pod-create.1.md +++ b/docs/source/markdown/podman-pod-create.1.md @@ -17,7 +17,11 @@ containers added to it. The pod id is printed to STDOUT. You can then use #### **--add-host**=_host_:_ip_ -Add a host to the /etc/hosts file shared between all containers in the pod. +Add a custom host-to-IP mapping (host:ip) + +Add a line to /etc/hosts. The format is hostname:ip. The **--add-host** +option can be set multiple times. +The /etc/hosts file is shared between all containers in the pod. #### **--cgroup-parent**=*path* @@ -187,7 +191,10 @@ NOTE: A container will only have access to aliases on the first network that it #### **--no-hosts** -Disable creation of /etc/hosts for the pod. +Do not create _/etc/hosts_ for the pod. +By default, Podman will manage _/etc/hosts_, adding the container's own IP address and any hosts from **--add-host**. +**--no-hosts** disables this, and the image's _/etc/hosts_ will be preserved unmodified. +This option conflicts with **--add-host**. #### **--pid**=*pid* @@ -308,14 +315,30 @@ several times to map different ranges. Set the user namespace mode for all the containers in a pod. It defaults to the **PODMAN_USERNS** environment variable. An empty value ("") means user namespaces are disabled. +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 namespace. It is possible to specify these options to `auto`: + - *auto[:*_OPTIONS,..._*]*: automatically create a namespace. It is possible to specify these options to `auto`: + - *gidmapping=*_CONTAINER_GID:HOST_GID:SIZE_ to force a GID mapping to be present in the user namespace. + - *size=*_SIZE_: to specify an explicit size for the automatic user namespace. e.g. `--userns=auto:size=8192`. If `size` is not specified, `auto` will estimate a size for the user namespace. + - *uidmapping=*_CONTAINER_UID:HOST_UID:SIZE_ to force a UID mapping to be present in the user namespace. -- *host*: run in the user namespace of the caller. The processes running in the container will have the same privileges on the host as any other process launched by the calling user (default). -- *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. + + - *host*: run in the user namespace of the caller. The processes running in the container will have the same privileges on the host as any other process launched by the calling user (default). + + - *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. #### **--volume**, **-v**[=*[[SOURCE-VOLUME|HOST-DIR:]CONTAINER-DIR[:OPTIONS]]*] |