[petsc-dev] How to compose a git URL for going through 2 machines

[Aron Ahmadia]

You want an SSH tunnel uses local port forwarding.    The instructions here
are pretty clear:
https://help.ubuntu.com/community/SSH/OpenSSH/PortForwarding

On Wed, Nov 5, 2014 at 2:42 PM, Nystrom, William David <wdn at lanl.gov> wrote:

> I was wondering if anyone might know the solution to a problem I am having
> with
> composing a git URL for cloning a git repo that is two machines away.
>
> I'm trying to execute the following git command:
>
> git clone ssh://
> wdn at red-wtrw.lanl.gov/lu-fe1.lanl.gov/usr/projects/artab/users/wdn/repos/git/petsc
>
> I've also tried the following:
>
> git clone ssh://wdn@red-wtrw.lanl.gov:l
> u-fe1.lanl.gov/usr/projects/artab/users/wdn/repos/git/petsc
>
> And also
>
> git clone ssh://wdn@red-wtrw.lanl.gov:lu-fe1.lanl.gov:
> /usr/projects/artab/users/wdn/repos/git/petsc
>
> Basically, I have to go through a gateway machine running a restricted
> shell
> to get to a machine which mounts the filesystem where my git repo is
> located.
> Each of the above commands fail.
>
> However, I can run the following scp command successfully:
>
> scp -p file_name wdn at red-wtrw.lanl.gov:lu-fe1.lanl.gov:
> /usr/projects/artab/users/wdn
>
> So I'm wondering if there is a way to chain together two machines in a git
> URL like I can
> with scp or whether there is some fundamental reason why this just will
> not work.  Does
> anyone know if what I am doing is possible and if so, how?  Or do I have
> to set up and
> use an ssh tunnel?
>
> Thanks,
>
> Dave
>
> --
> Dave Nystrom
> LANL HPC-5
> Phone: 505-667-7913
> Email: wdn at lanl.gov
> Smail: Mail Stop B272
>        Group HPC-5
>        Los Alamos National Laboratory
>        Los Alamos, NM 87545
>
>
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