Quick Start Login

• ssh bovik@linux.andrew.cmu.edu

• unix> /afs/cs/academic/class/15213-s08/bin/checkin   (very first time only)
• unix> ssh -x -l bovik@ANDREW.CMU.EDU fish.ics.cs.cmu.edu
  

Note: If prompted for a password, enter your Andrew password.
Note :The uppercase 'ANDREW.CMU.EDU' is significant.
Note: The string "-l" is dash el, not dash one.
Note: Your top level Andrew home directory needs to be at least world listable: "system:anyuser l".
Note: By using host name "fish", you will be directed at random to one of the course machings.

Getting Help

Frequently Asked Questions

Q: Are the accounts ready yet?
A: No (as of Fri, Jan 04, 2008).

Here are the students who have accounts.
If you're not on the list, please request an account from Prof. O'Hallaron (droh@cs.cmu.edu).

Q: What do I need to do before logging in for the very first time?
A: From your Andrew home directory on an Andrew Unix machine (e.g., linux.andrew.cmu.edu or unix.andrew.cmu.edu), run the following one-time checkin script:

    unix> /afs/cs/academic/class/15213-s08/bin/checkin

Q: What does the checkin script do?
A: The checkin script activates your account so that you can login to the fish machines using your Andrew password. It creates a hidden directory called ~/.15213 with login credentials for the fish machines. If you don't have one already, it also creates a protected directory ~/213hw where you can safely do your assignments without other students being able to see them. You only need to run the checkin script once, before your very first login to the fish machines. However, you can safely run the checkin script as often as you like.

Q: How do I login to one of these machines once I have run the checkin script?
A: If your Andrew login is bovik and you want to login to a machine, then type the following while logged in to an Andrew Unix machine:

    unix> ssh -x -l bovik@ANDREW.CMU.EDU  fish.ics.cs.cmu.edu
    [type your Andrew password to the prompt, if prompted]

Q: I did everything you said but I still can't login. Now what?
A: Here are the most common reasons students can't login:

• You're not logging in from an Andrew Linux or Unix machine.
  FIX: ssh to linux.andrew and login from there.

• You're logging in as user or user@andrew.cmu.edu instead of user@ANDREW.CMU.EDU
  FIX: Run ssh using "-l user@ANDREW.CMU.EDU"

• You forgot to type -l ("dash el") before your user name on the ssh command line.
  FIX: Run ssh using "-l user@ANDREW.CMU.EDU"

• Your Andrew ~ (home) or ~/.15213 directories are not accessible.
  FIX: Make them accessible:

      unix> cd 
      unix> fs sa -dir ~ -acl system:anyuser l
      unix> fs sa -dir ~/.15213 -acl system:anyuser rl
  

• You've somehow deleted the .login and .klogin files in your ~/.15213 directory.
  FIX: Rerun the checkin script.

• You've changed your Andrew password after you ran the checkin script.
  FIX: Logout from the Andrew machine, log back in, and try again.

If you still can't login, please send mail to your instructor.

Technical specs

Each node on the cluster runs a 64-bit version of Fedora Core 3 (Linux kernel 2.6.11) and consists of the following hardware:

• 3.2 GHz Dell PowerEdge 1850
• Dual 3.2 Ghz 64-bit (EM64T) Nocona Xeon processors
• 1 MB L2 cache
• 800 MHz frontside bus
• Intel E7520 (Lindenhurst) chipset
• 2 GB, 400MHz DDR2 SDRAM memory
• 146 GB Ultra320 SCSI hard disk
• Embedded ATI Radeon 7000-M graphics card, w/16 MB SDRAM
• 1U rack height