Differences

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--- remote_access [2021/04/30 12:03] – number of linux servers changed ctopper
+++ remote_access [2025/01/13 13:55] (current) – amcguire
@@ Line 10: / Line 10: @@
 === linux.cs.uchicago.edu ===
-This is actually uses DNS round robin to point to multiple servers:
+The ''linux.cs.uchicago.edu'' name is an alias that points to the ''focal.cs.uchicago.edu'' name, which in turn cycles round-robin through the following canonical names:
-  * linux1.cs.uchicago.edu
+  * ''focal0.cs.uchicago.edu''
-  * linux2.cs.uchicago.edu
+  * ''focal1.cs.uchicago.edu''
-  * linux3.cs.uchicago.edu
+  * ''focal2.cs.uchicago.edu''
-  * linux4.cs.uchicago.edu
+  * ''focal3.cs.uchicago.edu''
-  * linux5.cs.uchicago.edu
+  * ''focal4.cs.uchicago.edu''
-  * linux6.cs.uchicago.edu
+  * ''focal5.cs.uchicago.edu''
-  * linux7.cs.uchicago.edu
+  * ''focal6.cs.uchicago.edu''
+  * ''focal7.cs.uchicago.edu''
 === Specs ===
@@ Line 153: / Line 154: @@
 <code>
-ssh -J <cnetid>@linux2.cs.uchicago.edu <cnetid>@<host>.a.cs.uchicago.edu
+ssh -J <cnetid>@focal0.cs.uchicago.edu <cnetid>@<host>.a.cs.uchicago.edu
 </code>
@@ Line 159: / Line 160: @@
 You will want to setup ssh keys in your home directory or you it will ask for your password twice:
 <code>
-$ ssh -J cnetid@linux2.cs.uchicago.edu cnetid@<host>.a.cs.uchicago.edu
+$ ssh -J cnetid@focal0.cs.uchicago.edu cnetid@<host>.a.cs.uchicago.edu
-cnetid@linux2.cs.uchicago.edu's password:
+cnetid@focal0.cs.uchicago.edu's password:
 cnetid@<host>.a.cs.uchicago.edu's password:
 cnetid@<host>:~$
@@ Line 169: / Line 170: @@
 <code>
-cnetid@linux2:~$ ssh-keygen -t ed25519
+cnetid@focal0:~$ ssh-keygen -t ed25519
 Generating public/private ed25519 key pair.
 Enter file in which to save the key (/home/cnetid/.ssh/id_ed25519):
@@ Line 181: / Line 182: @@
 </code>
 <code>
-cnetid@linux2:~$ cat $HOME/.ssh/id_ed25519.pub >> $HOME/.ssh/authorized_keys
+cnetid@focal0:~$ cat $HOME/.ssh/id_ed25519.pub >> $HOME/.ssh/authorized_keys
 </code>
 # success! we can ssh without a password.
 <code>
-cnetid@linux2:~$ ssh linux3
+cnetid@focal0:~$ ssh focal1
 Last login: Sat May 18 21:57:18 2019 from 73.208.67.252
-cnetid@linux3:~$
+cnetid@focal1:~$
 </code>