tramp-methods variable currently has an exhaustive list of
predefined methods. Any part of this list can be modified with more
suitable settings. Refer to the Lisp documentation of that variable,
accessible with C-h v tramp-methods RET.
In the ELPA archives, there are several examples of such extensions. They can be installed with Emacs’s Package Manager. This includes
Integration for LXC containers. A container is accessed via /lxc:container:/path/to/file, ‘container’ has the same meaning as with the docker method. A ‘user’ specification is ignored.
Integration for LXD containers. A container is accessed via /lxd:user@container:/path/to/file, ‘user’ and ‘container’ have the same meaning as with the docker method.
Browsing Git repositories with
magit. A versioned file is
accessed via /git:rev@root-dir:/path/to/file.
‘rev’ is a Git revision, and ‘root-dir’ is a virtual host
name for the root directory, specified in
Access of a hadoop/hdfs file system. A file is accessed via /hdfs:user@node:/path/to/file, where ‘user’ is the user that you want to use, and ‘node’ is the name of the hadoop server.
Access to environments provided by systemd-nspawn. A file is accessed via /nspawn:user@container:/path/to/file, where ‘user’ is the (optional) user that you want to use, and ‘container’ is the container to connect to. systemd-nspawn and its container utilities often require super user access to run, use multi-hop file names with doas or sudo to raise your privileges.
Convenience method to access vagrant boxes. It is often used in multi-hop file names like /vagrant:box|sudo:box:/path/to/file, where ‘box’ is the name of the vagrant box.