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linux_ssh_access [2020/03/30 20:06]
pgh5a
linux_ssh_access [2020/06/03 18:49]
pgh5a
Line 1: Line 1:
 ====== Linux SSH Access ====== ====== Linux SSH Access ======
  
-All Linux servers run '​ssh'​. ​ Anyone with a CS account may log into these servers. From inside UVA, you can simply '​ssh'​ to CS servers.+All Linux servers run '​ssh'​. ​ Anyone with a CS account may log into these servers. ​ 
 + 
 +From inside UVA, you can simply '​ssh'​ to CS servers.
  
 From outside UVA, you are not able to '​ssh'​ directly into CS servers. ​ However connections to ''​%%portal.cs.virginia.edu%%''​ are still allowed from outside of UVA. From outside UVA, you are not able to '​ssh'​ directly into CS servers. ​ However connections to ''​%%portal.cs.virginia.edu%%''​ are still allowed from outside of UVA.
  
 ===== Access from Outside UVA ===== ===== Access from Outside UVA =====
 +
 +**Use one of these options to access CS servers from outside of UVA.**
  
 ==== Option 1: VPN access ==== ==== Option 1: VPN access ====
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 ktm5j@portal04 ~ $ hostname ktm5j@portal04 ~ $ hostname
 portal04 ​                                              <​-- We are logged into portal cluster portal04 ​                                              <​-- We are logged into portal cluster
-ktm5j@portal04 ~ $ ssh power3 ​                         ​<-- We can now access ​power3 +ktm5j@portal04 ~ $ ssh gpusrv01 ​                        <-- We can now access ​gpusrv01 
-ktm5j@power3's password:+ktm5j@gpusrv01's password:
 .... ....
-ktm5j@power3 ​~ $+ktm5j@gpusrv01 ​~ $
 </​code>​ </​code>​
  
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 </​code>​ </​code>​
  
-Here is how we use this option to "​jump"​ from portal.cs to another CS server. ​ Let's repeat the example of logging in to ''​%%power3%%''​+Here is how we use this option to "​jump"​ from portal.cs to another CS server. ​ Let's repeat the example of logging in to ''​%%gpusrv01%%''​
  
 <​code>​ <​code>​
-[ktm5j@outside-uva ~]$ ssh -l ktm5j power3 ​-J portal.cs.virginia.edu+[ktm5j@outside-uva ~]$ ssh -l ktm5j gpusrv01 ​-J portal.cs.virginia.edu
 ktm5j@portal04.cs.virginia.edu'​s password: ​                           <-- first asked to authenticate to portal ktm5j@portal04.cs.virginia.edu'​s password: ​                           <-- first asked to authenticate to portal
-ktm5j@power3's password: ​                                             <-- immediately able to log into power3+ktm5j@gpusrv01's password: ​                                             <-- immediately able to log into gpusrv01
 .... ....
-ktm5j@power3 ​~ $+ktm5j@gpusrv01 ​~ $
 </​code>​ </​code>​
  
  • linux_ssh_access.txt
  • Last modified: 2020/08/06 13:11
  • by pgh5a