[ale] scp, rcp, tar questions

[Charles Marcus]

Hmmmmm. just thought of something...

I'm doing this from a Windows box using SecureCRT...

<ducks head as empty beer can just misses>

How do I specify the target (my Win box) directory/path?

Charles

> -----Original Message-----
> From: Joe at orado.localdomain.private
> [mailto:Joe at orado.localdomain.private]On Behalf Of Joseph A Knapka
> Sent: Thursday, February 14, 2002 11:06 AM
> To: Charles Marcus
> Cc: Ale (E-mail)
> Subject: Re: [ale] scp, rcp, tar questions
>
>
> Charles Marcus wrote:
> >
> > OK,
> >
> > I've gotta copy some stuff (home directory for one of our
> users) from a
> > remote server down in Fla to my local server here in Atl.
> >
> > I have never used the tar beyond untarring tarballs when installing
> > software, and never used the rcp command.  I am having
> trouble figuring out
> > the syntax, and the man pages aren't much help.  I'd spend
> the time trying
> > to figure it out myself, but this guys will be here in the
> morning, and I
> > was just told about it, so hope someone can hold my hand...
> >
> > So, what would the syntax be for tar/gzipping up a
> directory?  I *think it
> > would be:
> >
> > tar -z /home/username/* tarfile.name
>
> tar czvf tar-file-name.tgz /dir/to/tar
>
> Explanation:
>
> czvf == "c"reate the tarfile, compress using g"z"ip, be
>        "v"erbose (list all files added to the archive on stdout),
>        and I will explicitly provide the "f"ilename of the
>        tarfile as the /next/ argument. (The order of the
>        czvf flags is immaterial, could be "zvcf" or whatever.)
>
> tar-file-name.tgz must be the next argument after the "f"
> flag is seen.
>
> /dir/to/tar and all its contents (recursively) will be
> tarred (and compressed on the fly). Absolute pathnames
> will be converted to releative, that is, the leading
> "/" will be discarded from the names in the archive. So
> you must untar from root if that's where you want
> things to land.
>
> Untar that file using
>
> tar xzvf tar-file-name.tgz
>
> dir/to/tar and its contents will appear in the current
> directory.
>
> > One problem is, I'm on a private IP, NAT'd through to the
> internet, logging
> > into another computer with a private IP using NAT.
> >
> > So, when doing the remote copy (rcp), how do I specify the
> host names?  Just
> > use the IPs of the routers doing the port-forwarding?
>
> Yes. If you can log in to the box using rsh or ssh,
> then rcp/scp should work as well.
>
> >
> > Would it be:
> >
> > rcp -pr user at xxx.xxx.xxx.xxx:/home/tarfile.name
> user at xxx.xxx.xxx.xxx:/home
>
> rcp user at xxx.xxx.xxx.xxx:/path/to/tarfile .
>
> should work. You don't really need -r (since you're copying
> a single file), nor -p (since the tarfile will contain
> the file characteristics of the files in it). You only
> need the second user+hostname if you're copying to another
> remote machine.
>
> > Should I use scp?
>
> Yes. The scp command would be the same. Well, except
> s/rcp/scp/, natch.
>
> Cheers,
>
> -- Joe
> "I should like to close this book by sticking out any part of my neck
>  which is not yet exposed, and making a few predictions about how the
>  problem of quantum gravity will in the end be solved."
>  --- Physicist Lee Smolin, "Three Roads to Quantum Gravity"



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