|
|
|
|
|
1: Click Start, then Run, and in the
Run command line, type: telnet cuip.uchicago.edu.
2: The telnet window opens and you must type in your login (user) name.
3. You type in your user name and press
enter. Telnet then asks for your password. Type your password carefully,
because telnet does not show what you are typing. When you are finished
with your password, press enter.
4: A correct password will get you
something like the following information.
Version 2.2
Copyright 1996-1999 Caldera Systems, Inc.
login: tjones
Password:
You have old mail in /var/spool/mail/tjones
Last login: Sun Jun 24 09:32:41 2001 from cb866570-a.hmwd1.il.home.com on ttyp2
You have mail.
tjones@cuip:~>
5: Type the "dir" command at the prompt. This command lists the files and folders in your site.
tjones@cuip:~> dir
Drafts Sent _notes background13_S.gif lg mail
www
tjones@cuip:~>
6. We all have a www folder in our sites. This folder is the only one accessible by Internet browsers. This is the folder into which you saved your files last week. To work in this folder, we use the "cd" command. We type "cd www" at the prompt. (cd is short for "change directory")
tjones@cuip:~>
tjones@cuip:~> cd www
tjones@cuip:~/www>
Note that the command prompt line now has the /www, which tells us we are working in the www folder.
7. What is in the www folder. We
type "dir" on the command line and press enter to see.
tjones@cuip:~/www> dir
Pagefor2-20.htm filemgt
homepg1.htm radioact.gif
SaveMarks gray\
background.gif macpublish.htm trash
background13_S.gif home.shtm
mega_car1.gif
ccbk010.jpg homepg.htm
publishmac1.GIF
tjones@cuip:~/www>
We see something like the above list: a
list of the files and folders in my www directory. You can usually tell the
difference between files and folders by looking for the file names with the
endings, such as macpublish.htm, radioact.gif, etc. Folders don't need
the endings.
8. We want to make a folder in our www folder to hold homepage files and keep them organized.. To make this new folder, we type after the prompt "mkdir" followed by the name of our new folder. The name of my folder will be "homepage."
tjones@cuip:~/www> mkdir homepage
tjones@cuip:~/www>
If you type correctly, the folder will be created.
Telnet does not tell you anything more about it, unless you make a mistake, like this one: I already had a folder named homepage, and then told telnet to make another one. I got the following:
tjones@cuip:~/www> mkdir homepage
mkdir: cannot make directory `homepage': File exists
tjones@cuip:~/www>
9. I can check to see if it really made the folder by typing in the "dir" command. I should see the folder in the list below.
tjones@cuip:~/www> dir
Pagefor2-20.htm filemgt
homepg.htm
SaveMarks gray\
background.gif homepg1.htm publishmac1.GIF
background13_S.gif home.shtm
macpublish.htm radioact.gif
ccbk010.jpg homepage
mega_car1.gif trash
tjones@cuip:~/www>
10. I see that I now have a homepage directory for my homepage files. Now I need to make a folder for my learning project files. I type "mkdir project" at the command prompt. Telnet responds with:
tjones@cuip:~/www> mkdir project
tjones@cuip:~/www>
I type "dir" just to make sure the folder is there, and I see:
tjones@cuip:~/www> dir
Pagefor2-20.htm filemgt
homepg.htm project
SaveMarks gray\
background.gif homepg1.htm publishmac1.GIF
background13_S.gif home.shtm
macpublish.htm radioact.gif
ccbk010.jpg homepage
mega_car1.gif trash
tjones@cuip:~/www>
The project folder is listed, so I type "logout" at the command prompt, and close the program.
A tutorial similar to this one can be found at http://web.indstate.edu/acns/user-serv/remote_access/telnet.html. This is also a short list of common commands.
A longer list of common telnet commands can be found at http://www.bruserve.com/support/unix_com.html .
Please lead your participants through changing their passwords today if you have the opportunity, or as soon as possible anyway.
There is a summary with annotated transcript of the process at http://cuip.uchicago.edu/anyboard/cttap/posts/29.html
This is the summary:
To change your password on the CUIP Unix (Linux) server, you'll need to
log in using your username and current password, and connecting
to the plain command-line interface. You don't need to
know a variety of Unix commands to do that, as the example below
will model the process for you. Added explanatory comments
will be in parentheses and italic font. Apart from such
comments, the transcript below is simply what was on my screen when I
connected to change my password, and is close to what you will
see when you do the same thing. (Of course, use your own
username, old password, and desired new password.)
Making the connection is done with a program called "telnet".
From another Unix computer, issue the command "telnet cuip.uchicago.edu".
On a Windows 9x or NT4 computer, from the Start button select Run,
and in the line in the window that gives you, type "telnet
cuip.uchicago.edu". (There is a built-in program called "telnet",
that
these instructions assume. But there are other programs for
the same purpose, and if you know one has been added onto your
computer you should use whichever one you prefer.)
On a Macintosh, telnet is not built-in with the OS. There are a
number of programs of this type available. Most keep "telnet"
somewhere in their names, so if you do a file search on your Mac's
hard drive or an Apple server you're connected to, using "telnet"
as
your search term, you may find a suitable program available for
use. If not, and you want to download and install one, try
looking for "NCSA Telnet" and "Better Telnet". (Though I'm
not sure
if the latter is free.) The details of using these programs
obviously will differ; but the main thing is that the host
or remote computer you'll be connecting to is
"cuip.uchicago.edu", and there's got to be someplace to enter that
info.
Things that I typed are in blue. Things the computer printed to the
screen are in black. Added comments are in parentheses, an italic
font, and maroon color.
> telnet cuip.uchicago.edu
Trying 128.135.76.15...
Connected to cuip.uchicago.edu.
Escape character is '^]'.Caldera OpenLinux(TM)
Version 2.2
Copyright 1996-1999 Caldera Systems, Inc.
(The server basically just announcing itself.)
login: mmarks
Password: (I typed in my old password. Nothing is echoed,
not even asterisks.)
You have old mail in /var/spool/mail/mmarks
Last login: Tue Feb 6 11:02:49 2001 from cuip on ttyp3
You have mail. (The server issues a couple basic reminders
for me.)
mmarks@cuip:~> passwd (This
is the command to change your password.)
Changing password for mmarks
(current) UNIX password: (As before, nothing is echoed,
not even asterisks.)
New user password:
Retype new user password:
passwd: all authentication tokens updated successfully
(Okay, it worked! It might instead tell you the two times
you entered the new password they did not match, so you would start again; or
it might reject your choice of new password and explain how to make it more
suitable -- again, not too hard to recover from, just try again.)
mmarks@cuip:~> exit (I've
got no other tasks to deal with right now, so I type the exit command to end
the session.)
logout
--modified by Mitch at Tue, Feb 06, 2001, 11:46:15
--modified by Mitch at Thu, Feb 08, 2001, 11:08:34
This is the rest of the e-mail message.
Here is a somewhat broader perspective including some preparatory steps. (After step 1, the instructions are cast as addressing the participant.)
1. (Lab and computer prep:) Make sure there's a telnet program. The one built-in
to Windows is usable as long as you don't need to do full screen editing, so
go ahead with that at Wadsworth and Kenwood. At BSLC there's an SSH on the desktop.
At the Lab School, I'm not sure what you've got -- if you don't see a telnet
program, ask our liaison about it; and if there isn't one installed, there is
one called "Better Telnet" available on the WIT CDs or from our online
archive at http://cuip.uchicago.edu/software/MAC/TELNET/bettertelnet-2.0fc1.sit.bin
(If it would help to have Bill or me come work on the installation, get back
to us on this.)
2. (Individual prep.) You should know your username and current password. Presumably you do by now, if you've been uploading your pages, but perhaps you've set it to be saved in an application and then forgotten. If so, dig it back out!
3. (Individual prep.) Pick out a new password. Remember, if it's *too* simple, the system will reject it. If you'd like suggestions, along the lines of the ones initially handed out, wait until you've connected by telnet, then type the command "pwds" which should show you 100 suggestions.
4. Start up your Telnet, SSH, or "Better Telnet" program, as appropriate
for your lab.
(At Wadsworth and Kenwood, using the Windows built-in Telnet, you can also specify
the "cuip.uchicago.edu" connection as part of starting up Telnet --
or wait and do it as in the next step.)
5. In your running Telnet or SSH program, set the connection you want to make,
specifying "cuip.uchicago.edu". In Windows built-in Telnet (Wadsworth
and Kenwood) you do this by dropping down a menu from the first entry on the
menu bar, labelled "Connect"; choose the first item on the dropdown
menu, "Remote System". This should open a small settings window, titled
"Connect", with three fields to be set. In the top one, called "Host
Name", enter cuip.uchicago.edu, then press the Connect button.
The steps will differ slightly in the SSH program at BSLC and the Mac Telnet
(or Better Telnet) at the lab school -- but the idea is the same: set "cuip.uchicago.edu"
as your destination. If the program asks you for the account or username, and
password, go ahead and supply those.
6. In built-in Windows Telnet, and in the other programs if they don't ask
for the username and password in advance, when the basic connection is established
you will see in the Telnet window a "login:" prompt from the server.
Respond by typing in you username, and pressing ENTER. Then the server should
prompt "Passowrd:". Respond by typing in your (current, old) password
and pressing ENTER; note that while you're typing the password, nothing will
be echoed to the screen, not even place-holding ****s.
If it shows you variuos Welcome messages ending with a prompt like "bbunny@cuip:~>
" , you're in, and can proceed to the next step. If instead, you see a
message "Login incorrect" and a new "login:" prompt, try
again to enter your username and then password. Note that the "Login incorrect"
message doesn't say which part was incorrect, your username or your password,
so review both and enter both carefully. Watch out for CAPS LOCK!
After three tries it will make you reconnect to try again. Check with your Mentors
if there might be some problem with the procedure, or to double-check your username
and password. Then try again.
7. Once connected, you can run Unix (Linux) commands and available programs. You give a command or program name then press ENTER. If you want some suggestions for a new password to use, type "pwds" (without the quotation marks, and followed by ENTER). Otherwise (or after that), type "passwd" and respond to prompts from within the passwd program, as illustrated in http://cuip.uchicago.edu/anyboard/cttap/posts/29.html .
8. Optionally, you can take care of some other matters while you're logged on. Some ideas are shown below, after these main steps.
9. Log out from the server, by typing "exit" or "logout".
10. If you want to immediately check your new password, re-connect via your Telnet or SSH program, using the new password. Otherwise, wait and use it in Publish / FTP / Dreamweaver.
-- Mitch
Some options for step 8 illustrated:
a. To see whether your mail to the @cuip.uchicago.edu address is forwarded,
and if so, where, type "cat .forward" (notice the period or "dot"
at the left end of ".forward"). Like so:
bbunny@cuip:~> cat .forward
bbunny@teacher.com
\bbunny
This shows that mail to bbunny is being forwarded to his established external address "bbunny@teacher.com" (really!) plus a copy is kept locally.
b. To cancel forwarding (so you can pick up mail directly from cuip that has been sent there, including wit2001-l listserv mail), type "rm .forward". (That's the same "dot-forward" file as mentioned in option [a].
c. To see how you (or anyone else) is listed on the system's records, type "finger " followed by a username or first name or last name. Like so:
bbunny@cuip:~> finger bugs
Login: bbunny Name: Bugs Bunny 'Jr'
Directory: /home2/bbunny Shell: /bin/tcsh
On since Thu Jun 28 09:11 (CDT) on ttyp5 from tnt14a-122.focal-chi.corecomm.net
Mail forwarded to bbunny@teacher.com
bbunny
Mail last read Wed Jun 27 22:26 2001 (CDT)
No Plan.
d. To *change* something that shows up in your "finger" listing, run "chfn" and respond to its internal prompts. It will show current values (including blank or empty) between [square brackets]. Press ENTER to keep current value, or type in new value (and ENTER). In the following, Bugs decides to scrap the 'Jr' in his name (like Jason Robards), and supply an office and phone number. then he reviews it with "finger". Like so:
bbunny@cuip:~> chfn
Changing finger information for bbunny.
Password:
Name [Bugs Bunny 'Jr']: Bugs Bunny
Office []: Warner 123
Office Phone []: 2-6041
Home Phone []:
Finger information changed.
bbunny@cuip:~> finger bugs
Login: bbunny Name: Bugs Bunny
Directory: /home2/bbunny Shell: /bin/tcsh
Office: Warner 123, 2-6041
On since Thu Jun 28 09:11 (CDT) on ttyp5 from tnt14a-122.focal-chi.corecomm.net
Mail forwarded to bbunny@teacher.com
bbunny
Mail last read Wed Jun 27 22:26 2001 (CDT)
No Plan.
--
Mitchell Marks
CUIP Tech Coordinator http://cuip.uchicago.edu
