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podman/docs/source/markdown/podman-machine-start.1.md
Ashley Cui d9ff0fd15d Only allow Rootless runs of Podman Machine 
Podman Machine crashes if run as root. When creating the machine, we write the ignition so that the UID of the core user matches the UID of the user on the host. We by default, create the root user on the machine with UID 0. If the user on the host is root, the core UID and the Root UID collide, causing a the VM not to boot.

[NO NEW TESTS NEEDED]

Signed-off-by: Ashley Cui <acui@redhat.com>
2022-06-29 09:19:09 -04:00

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% podman-machine-start(1)

NAME

podman-machine-start - Start a virtual machine

SYNOPSIS

podman machine start [name]

DESCRIPTION

Starts a virtual machine for Podman.

Rootless only.

Podman on MacOS and Windows requires a virtual machine. This is because containers are Linux - containers do not run on any other OS because containers' core functionality are tied to the Linux kernel. Podman machine must be used to manage MacOS and Windows machines, but can be optionally used on Linux.

Only one Podman managed VM can be active at a time. If a VM is already running, podman machine start will return an error.

podman machine start starts a Linux virtual machine where containers are run.

OPTIONS

--help

Print usage statement.

EXAMPLES

$ podman machine start myvm

SEE ALSO

podman(1), podman-machine(1)

HISTORY

March 2021, Originally compiled by Ashley Cui acui@redhat.com