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* tramp.texi (Connection caching): Host names must be different

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when tunneling.
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Michael Albinus 2007-10-29 20:17:03 +00:00
parent c70dbcd5f3
commit 9bbb9638e7
2 changed files with 20 additions and 1 deletions
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5
doc/misc/ChangeLog
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@ -1,3 +1,8 @@
2007-10-29 Michael Albinus <michael.albinus@gmx.de>
* tramp.texi (Connection caching): Host names must be different
when tunneling.
2007-10-28 Reiner Steib <Reiner.Steib@gmx.de>
* gnus.texi, gnus-faq.texi, message.texi: Bump version to

16
doc/misc/tramp.texi
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@ -1594,6 +1594,20 @@ exiting @value{emacsname}. You can simply remove this file if
Using such persistent information can be disabled by setting
@code{tramp-persistency-file-name} to @code{nil}.
Once consequence of reusing connection related information is that
@var{tramp} needs to distinguish hosts. If you, for example, run a
local @code{sshd} on port 3001, which tunnels @command{ssh} to another
host, you could access both @file{@trampfn{ssh, , localhost,}} and
@file{@trampfn{ssh, , localhost#3001,}}. @var{tramp} would use the
same host related information (like paths, Perl variants, etc) for
both connections, although the information is valid only for one of
them.
In order to avoid trouble, you must use another host name for one of
the connections, like introducing a @option{Host} section in
@file{~/.ssh/config} (@pxref{Frequently Asked Questions}) or applying
multiple hops (@pxref{Multi-hops}).
@node Remote Programs
@section How @value{tramp} finds and uses programs on the remote machine.
@ -2800,7 +2814,7 @@ Host xy
The file name left to type would be @kbd{C-x C-f @trampfn{ssh, , xy,
/opt/news/etc}}. Depending on files in your directories, it is even
possible to complete the hostname with @kbd{C-x C-f
possible to complete the host name with @kbd{C-x C-f
@value{prefix}ssh@value{postfixhop}x @key{TAB}}.
@item Use environment variables: