Connect using ssh


 
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# 1  
Old 08-01-2011
Connect using ssh

Dear users
I have a question about connecting to remote servers using terminal

I can connect to one server by
Code:
ssh username@domain_of_first_server.com

and after logging into the above i have to connect to one more server
Code:
ssh name_of_second_server

bascically to be able to connect to the second server I have to connect to the first sever first

How can i do this in one line?

Thanks in advace

---------- Post updated at 09:40 AM ---------- Previous update was at 02:24 AM ----------

PS: To refine and corrections to the above question:
First I connect to the server which has a domain name.
Code:
ssh id@domainname.com

After That I connect to the "Disk Space" in the server
Code:
ssh diskspace_Name

How can i do them in one command or one line?
Thanks

Last edited by pludi; 08-01-2011 at 04:43 AM..
# 2  
Old 08-01-2011
Like this? How I connect to my network storage at home, via my router, from my VPS:

Code:
[mute@geek ~]$ ssh -t root@xxx.domain.com  'exec ssh mute@goflex'
root@xxx.domain.com's password:
mute@goflex's password:
Linux goflex 2.6.32-5-kirkwood #4 Sun Apr 24 20:56:34 EDT 2011 armv5tel

Edit: You can also make a separate key, and use command restriction..

In ~/.ssh/authorized_keys
Code:
command="ssh second_server" ssh-dss blahblahblah


Last edited by neutronscott; 08-01-2011 at 11:54 AM..
This User Gave Thanks to neutronscott For This Post:
# 3  
Old 08-01-2011
try the following
Code:
ssh -f user@public-server.com -L 2000:personal-server.com:22 -N

or

Code:
ssh -t -L 8000:localhost:8000 public-server.com.com 'ssh -L 8000:personal-server.com:'

# 4  
Old 08-02-2011
Quote:
Originally Posted by neutronscott
Like this? How I connect to my network storage at home, via my router, from my VPS:

Code:
[mute@geek ~]$ ssh -t root@xxx.domain.com  'exec ssh mute@goflex'
root@xxx.domain.com's password:
mute@goflex's password:
Linux goflex 2.6.32-5-kirkwood #4 Sun Apr 24 20:56:34 EDT 2011 armv5tel

Edit: You can also make a separate key, and use command restriction..

In ~/.ssh/authorized_keys
Code:
command="ssh second_server" ssh-dss blahblahblah

Thank you very much that worked perfectly, I googled for aprroximately one day, Thanks again

---------- Post updated 08-02-11 at 07:10 AM ---------- Previous update was 08-01-11 at 11:49 AM ----------

Quote:
Originally Posted by neutronscott
Like this? How I connect to my network storage at home, via my router, from my VPS:

Code:
[mute@geek ~]$ ssh -t root@xxx.domain.com  'exec ssh mute@goflex'
root@xxx.domain.com's password:
mute@goflex's password:
Linux goflex 2.6.32-5-kirkwood #4 Sun Apr 24 20:56:34 EDT 2011 armv5tel

Edit: You can also make a separate key, and use command restriction..

In ~/.ssh/authorized_keys
Code:
command="ssh second_server" ssh-dss blahblahblah

One more quick question, i tried but couldn't work out a similar thing for
Code:
scp

like
Code:
scp username@domain.com 'exec scp diskname'

Thanks again
# 5  
Old 08-02-2011
Well as far as I know, for that you will have to tunnel as the previous message suggested for that... Because with the other command you are basically still connecting to server1 which in turn just runs ssh to server2.. If you want to copy a local file to server2, you'll keep a tunnel open, and scp to localhost:2000 (using first line given in h@foorza.biz's post).
# 6  
Old 08-03-2011
hi Thanks again.
Also a bingo i wanted to share. the command that you gave me worked well and I ended up adding it as alias in my ~/.bashrc too!!!
Code:
ssh -t root@xxx.domain.com  'exec ssh mute@goflex'

 
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