flatpak-enter - Man Page

flatpak enter [OPTION...] INSTANCE COMMAND [ARG...]

Enter a running sandbox​.

INSTANCE must be either the pid of a process running in a flatpak sandbox, or the ID of a running application, or the instance ID of a running sandbox​. You can use flatpak ps to find the instance IDs of running flatpaks​.

COMMAND is the command to run in the sandbox​. Extra arguments are passed on to the command​.

This creates a new process within the running sandbox, with the same environment​. This is useful when you want to debug a problem with a running application​.

This command works as a regular user if the system support unprivileged user namespace​. If that is not available you need to run run it like: sudo -E flatpak enter​.

The following options are understood:

-h,  --help

Show help options and exit​.

-v,  --verbose

Print debug information during command processing​.

--ostree-verbose

Print OSTree debug information during command processing​.

$ flatpak enter 15345 sh

flatpak(1), flatpak-run(1) flatpak-ps(1)

flatpak(1), flatpak-run(1).