Merge pull request #202 from hardy-ethan/update-caen-url

Update CAEN Linux Remote Login Service URL

Author: jamesjuett

docs/setup_caen.md

@@ -36,11 +36,11 @@ To access CAEN Linux from off campus, you'll first need to connect to the UM VPN
 Test an SSH connection.  Be sure to change `awdeorio` to your own uniqname.
 
 ```console
-$ ssh -T [email protected]
-The authenticity of host 'login.engin.umich.edu (141.213.74.65)' can't be established.
+$ ssh -T awdeorio@login-course.engin.umich.edu
+The authenticity of host 'login-course.engin.umich.edu (141.213.74.65)' can't be established.
 ECDSA key fingerprint is SHA256:LL0GPTtaVGa6gvv2kVpGq4ZULA1l5pw2wXC4dK3ymIk.
 Are you sure you want to continue connecting (yes/no)? yes
-Warning: Permanently added 'login.engin.umich.edu,141.213.74.65' (ECDSA) to the list of known hosts.
+Warning: Permanently added 'login-course.engin.umich.edu,141.213.74.65' (ECDSA) to the list of known hosts.
 Password: 
 Duo two-factor login for awdeorio
 
@@ -56,10 +56,20 @@ Success. Logging you in...
 -bash-4.2$ 
 ```
 
+If you are prompted with
+
+```console
+The host key is known by the following other names/addresses:
+    ~/.ssh/known_hosts:1: login.engin.umich.edu
+Are you sure you want to continue connected (yes/no/[fingerprint])?
+````
+
+Enter **yes**. This is due to CAEN's Linux Remote Login Service changing URLs.
+
 Exit as soon as your test is successful.
 ```console
 $ exit
-Connection to login.engin.umich.edu closed.
+Connection to login-course.engin.umich.edu closed.
 ```
 
 <div class="primer-spec-callout warning" markdown="1">
@@ -84,7 +94,7 @@ $ make clean
 
 Next, copy files using `rsync`.  Remember to change `awdeorio` to your username.
 ```console
-$ rsync -rtv --exclude '.git*' ../stats/ [email protected]:stats-copy/
+$ rsync -rtv --exclude '.git*' ../stats/ awdeorio@login-course.engin.umich.edu:stats-copy/
 building file list ... done
 created directory stats-copy
 ./
@@ -111,7 +121,7 @@ total size is 8818  speedup is 0.90
 ## Login with `ssh`
 Now log in to CAEN Linux.  Your terminal is now a shell on a *different computer*, `caen-vnc-vm16` in this example.  Yours may be different.  Don't forget to change `awdeorio` to your own uniqname.
 ```console
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 $ hostname
 caen-vnc-vm16.engin.umich.edu
 ```
@@ -174,7 +184,7 @@ Host *
 
 SSH into CAEN Linux.
 ```console
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 Password:
 Duo two-factor login for awdeorio
 
@@ -192,7 +202,7 @@ $
 
 Open a second terminal and run an `rsync` command, which uses the new configuration.  No authentication is required!
 ```console
-$ rsync -rtv --exclude '.git*' ../stats/ [email protected]:stats-copy/
+$ rsync -rtv --exclude '.git*' ../stats/ awdeorio@login-course.engin.umich.edu:stats-copy/
 building file list ... done
 
 sent 273 bytes  received 20 bytes  586.00 bytes/sec
@@ -217,7 +227,7 @@ An alternative to copying code to CAEN Linux is checking out a your code from Gi
 
 SSH to a CAEN Linux machine and see the copy we made earlier using `rsync`.
 ```console
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 $ ls
 stats-copy  # this is from our rsync'ed copy earlier
 ```
@@ -242,14 +252,14 @@ stats stats-copy
 ### Synchronizing deleted files
 Tell `rsync` to synchronize deleted files.  In other words, if it's gone on your laptop, delete it on CAEN.
 ```console
-$ rsync -rtv --delete --exclude '.git*' ../stats/ [email protected]:stats-copy/
+$ rsync -rtv --delete --exclude '.git*' ../stats/ awdeorio@login-course.engin.umich.edu:stats-copy/
 ```
 {: data-variant="no-line-numbers" }
 
 ### Don't synchronize Git-ignored files
 Tell `rsync` not to synchronize files ignored by Git.  You can also combine this option with `--delete`.
 ```console
-$ rsync -rtv --exclude '.git*' --filter=':- .gitignore' ../stats/ [email protected]:stats-copy/
+$ rsync -rtv --exclude '.git*' --filter=':- .gitignore' ../stats/ awdeorio@login-course.engin.umich.edu:stats-copy/
 ```
 {: data-variant="no-line-numbers" }
 
@@ -264,7 +274,7 @@ sync :
   --exclude '.git*' \
   --filter=':- .gitignore' \
   ../stats/ \
-  [email protected]:stats-copy/
+  awdeorio@login-course.engin.umich.edu:stats-copy/
 ```
 
 Now you can type `make sync` as a short cut.
@@ -276,7 +286,7 @@ rsync \
   --exclude '.git*' \
   --filter=':- .gitignore' \
   ../stats/ \
-  [email protected]:stats-copy/
+  awdeorio@login-course.engin.umich.edu:stats-copy/
 building file list ... done
 ./
 Makefile

docs/setup_emacs.md

@@ -490,18 +490,18 @@ $ emacs
 
 SSH into your remote server, CAEN Linux in this example.  This will set up an SSH multiplexing connection.
 ```console
-$ ssh login.engin.umich.edu
+$ ssh login-course.engin.umich.edu
 ...
 ```
 
-In Emacs, open the file `/ssh:login.engin.umich.edu:main.cpp`.  Recall `C-x C-f` is `find-file`.  Tab completion works in the minibuffer.  You're now editing a file `main.cpp` on a remote server.
+In Emacs, open the file `/ssh:login-course.engin.umich.edu:main.cpp`.  Recall `C-x C-f` is `find-file`.  Tab completion works in the minibuffer.  You're now editing a file `main.cpp` on a remote server.
 
 ### Pair programming with tmux
 Pair program on a remote machine with two people inside the same Emacs instance.  We'll use tmux, which is a terminal multiplexer.
 
 Alice connects to a remote server containing her code.  She starts a tmux session named `shared`.  Then, she starts Emacs inside that tmux session.
 ```console
-$ ssh login.engin.umich.edu
+$ ssh login-course.engin.umich.edu
 $ hostname
 caen-vnc-vm05.engin.umich.edu
 $ cd stats

docs/setup_style.md

@@ -27,7 +27,7 @@ We will use several tools to check the style of your code.
 ## Prerequisites
 You can connect to CAEN Linux, where the tools are installed.  See the [CAEN Linux tutorial](setup_caen.html) for help.
 ```console
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 ...
 Success. Logging you in...
 ```
@@ -112,7 +112,7 @@ We're going to synchronize our code to CAEN Linux many times.  These shortcuts w
 
 Be sure that you can [avoid repeated two-factor authentication (2FA)](setup_caen.html#avoiding-repeated-2fa).  In a separate terminal, connect to CAEN Linux with SSH so you won't have to enter your password again.
 ```console
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 Password:
 Duo two-factor login for awdeorio
 
@@ -146,15 +146,15 @@ manzana.local
 $ pwd
 /Users/awdeorio/src/eecs280/stats
 $ make sync
-rsync -rtv --delete --exclude '.git*' --filter=':- .gitignore' ./  [email protected]:stats-copy/
+rsync -rtv --delete --exclude '.git*' --filter=':- .gitignore' ./  awdeorio@login-course.engin.umich.edu:stats-copy/
 ```
 
 ### Connect to CAEN Linux
 Connect to CAEN Linux via `ssh`.  If you're already connected, you don't need to connect again.
 ```console
 $ hostname
 manzana.local
-$ ssh [email protected]
+$ ssh awdeorio@login-course.engin.umich.edu
 Success. Logging you in...
 ...
 $ hostname