On Jan 30, 2008 4:22 PM, Ralph Shumaker <[EMAIL PROTECTED]> wrote:
> Karl Cunningham wrote:
> > On 1/23/2008 2:48 PM, Ralph Shumaker wrote:
> >> Currently, there should be no ssh traffic that I'm aware of. I
> >> eventually want to learn how to ssh into my own machine from
> >> somewhere else, but for now, ssh is not being used by me.
> >
> > Turn of sshd for now and leave it off. Here are some things to do
> > BEFORE you bring it back up. Check out $man sshd_config for more.
> >
> > Protocol 2
> > PubkeyAuthentication yes
> > PasswordAuthentication no
> > ChallengeResponseAuthentication no
> > PermitRootLogin no
> > AllowUsers list your valid user names
> >
> > Karl
>
> Only two of those things needed changing in my file.
>
> But one of the items you listed doesn't even appear in there, namely
> AllowUsers. I like what "man sshd_config" says about it, namely that
> you can specify [EMAIL PROTECTED] But I'm a little unclear about it.
>
> If I'm on a friend's computer, and I want to login to mine, I have
> different user names between the two systems. Let's say that my
> friend's computer is hostname THERE and that my login there is RALPH.
> Let's say that my PC is hostname HERE and that my local login is ME.
> What would I specify in my file (sshd_config) on my PC for AllowUsers?
> I'm guessing one of these (probably the latter):
> [EMAIL PROTECTED]
> [EMAIL PROTECTED]
>
> Once my PC is set up correctly, and I am locally logged in THERE as
> RALPH, how do I ssh login to HERE as ME?
[EMAIL PROTECTED] $ ssh [EMAIL PROTECTED]
> Assuming I get ssh logged in on HERE remotely from THERE, is it similar
> to having been logged in locally HERE as a different user and used "su -
> ME"? Is it even remotely similar in effect? Will I have access to the
> same files? Will my path and other environment variables be the same?
You are logged into HERE as user ME, just as if you were physically present.
> Assuming I get ssh logged in on HERE as ME (from THERE as RALPH), would
> I be able to use sudo that way? I have nearly no dealings with sudo.
Just as well as if you were actually there at HERE.
I think we could set up an Abbott and Costello "Who's on First"
routine if not careful.
> My main interest in using ssh is to set up my friend and my mom such
> that I can log in remotely and do admin. But if I can learn how to ssh
> into my own PC and do admin stuff that way, then I'm sure I can extend
> it to their PCs. But for now, I just want to know how to ssh into my
> own. I'll worry about the other PCs later.
>
> Here's a strange question: Can I be logged in locally on HERE as ME,
> and then ssh login to HERE as ME? (Is that kinda like the same user
> logging in on console 1 and console 2 at the same time?)
Yes. This is a good way to test that your ssh stuff is actually working.
carl
--
carl lowenstein marine physical lab u.c. san diego
[EMAIL PROTECTED]
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