Linking to the Class AFS volume
The class web pages are stored on afs. By the end of this part of
today's lab, you will have created a link so that you have access to
the class web pages from any cluster PC. Each of you has a personal
folder in which you can put the web pages you make for the class. By
the end of the semester, the class web pages will be a combination of
pages made by me and by all of you.
On the cluster PCs, your afs home folder (My AFS Space) should be on your desktop.
During this lab, we will create a symbolic link so that the class afs
volume shows up in your afs folder. If you are on a cluster PC, you
will be able to drag your web pages from the PC to your class folder.
If you are on a Mac, you can use fetch or any other file transfer
program, to transfer the files to your class afs volume. If you are
on linux or unix, you can use scp, ftp, or your personally
hand-crafted file transfer program.
The second part of this lab will cover making web pages.
1. Creating a link in your afs home directory
NOTE: The procedure described in this section only has to be
performed once. After you have made the symbolic link in your
afs space, the link will always be there. If you've already made the
link, you can skip to the next section in the lab.
Start Secure Shell Client from Programs ->
Click on the Quick Connect button. In the popup window, enter linux.andrew.cmu.edu for the
Host Name. Enter your andrew id for the user name.
In the next window, enter your andrew password.After you type your password, you will be connected to one of the andrew linux
You are in your afs home directory. Type ls
(list) at the prompt, just to see what's in your home directory. (Folders are
called directories in Unix.)
You will get a listing of all the files in your home directory.
At the prompt, type:
> ln -s /afs/andrew/cit/ce/rapidproto rapidproto
NOTE: All the punctuation and spelling are essential in this
command. You are making a link (ln) symbolically (-s) to
the directory called /afs/andrew/cit/ce/rapidproto, and you are
going to call the link rapidproto.
If you type ls after you make the link, you should see a new
directory called rapidproto. To be sure that the link is correct, type
ls rapidproto (list the files in the folder rapidproto):
> ls rapidproto
Raise your hand if you don't get this listing. You will need to
delete (rm) rapidproto and enter the link command again.
That's it! Logout and close the Secure Shell window.
Now double click on the "My AFS Space" icon on your desktop. You should see a folder called
rapidproto. Open this folder. You should see a folder called students. Open
this folder. You should see a folder with your andrew id. Open this folder. It should be
empty. Drag something small from your desktop into the folder. If the computer won't let
you drag something into the folder, raise your hand. Delete whatever you dragged in.
Try to drag something into someone else's folder. If the computer lets you drag something
there, raise your hand.