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| author | Vincent Whitchurch <vincent.whitchurch@axis.com> | 2022-03-10 13:42:30 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2022-03-11 10:50:42 +0100 |
| commit | 4ef5a0b2e1b806203831b0a7a044539f6627116a (patch) | |
| tree | 3f0da98141e942a34b974162b9a573cbafec1eb2 /Documentation/virt/uml | |
| parent | um: Remove unused timeval_to_ns() function (diff) | |
| download | linux-4ef5a0b2e1b806203831b0a7a044539f6627116a.tar.xz linux-4ef5a0b2e1b806203831b0a7a044539f6627116a.zip | |
docs: UML: Mention telnetd for port channel
It is not obvious from the documentation that using the "port" channel
for the console requires telnetd to be installed (see port_connection()
in arch/um/drivers/port_user.c). Mention this, and the fact that UML
will not boot until a client connects.
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Acked-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'Documentation/virt/uml')
| -rw-r--r-- | Documentation/virt/uml/user_mode_linux_howto_v2.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/virt/uml/user_mode_linux_howto_v2.rst b/Documentation/virt/uml/user_mode_linux_howto_v2.rst index 81986fe014d4..863f67b72c05 100644 --- a/Documentation/virt/uml/user_mode_linux_howto_v2.rst +++ b/Documentation/virt/uml/user_mode_linux_howto_v2.rst @@ -664,7 +664,11 @@ one is input, the second one output. * The fd channel - use file descriptor numbers for input/output. Example: ``con1=fd:0,fd:1.`` -* The port channel - listen on TCP port number. Example: ``con1=port:4321`` +* The port channel - start a telnet server on TCP port number. Example: + ``con1=port:4321``. The host must have /usr/sbin/in.telnetd (usually part of + a telnetd package) and the port-helper from the UML utilities (see the + information for the xterm channel below). UML will not boot until a client + connects. * The pty and pts channels - use system pty/pts. |