Remote Login
Try the following steps to be able to use matlab on the class/lab machines
from a computer somewhere else. Note that you will only be able to
see the command window or matlab or the editor, and only one of these
at a time. Your computer will be acting as an old-style computer terminal
with only command line interactions with the computer in the lab.
Computer Names
There are two groups of Math Department computers with identical software.
The first is in the classroom (Rm 210) and the second is in the smaller lab
(Rm 206). The computer names have the format mathlab#_nnnnn where #
is the seat number in the room and nnnnn is Colgate's "CUTag" for
tracking the machine. In the classroom, the seats are numbered from the door
to the window repeating for each row with 8 in a row. So seat 20 is the fourth
seat in the 3rd row. The CUTag is 85566 plus the seat number. So seat number 20
has computer name mathlab20_85586
In the computer lab, the seat numbers start with 33 and work around the room
with CUTag numbers 85468 plus the seat number. So the 3rd computer has computer
name mathlab35_85503
To access a machine from another Math Dept machine, you can use the "Finder"
window by looking in the "Shared" list. All the machines in the classroom
and lab should appear there. From the command line you can use the "ssh"
command to access another computer and the "scp" command to copy files back
and forth. From outside the lab, but on campus, you can access the machines
as described below.
From outside the lab
Find the section for your operating system and follow those instructions.
Mac OS X, Linux, or other UNIX-like OS:
The operating system comes with many command-line terminal programs
called something like Terminal, xterm, etc. The Terminal program
on Mac is in the Utilities Subfolder of the Applications Folder.
- Start the terminal window program.
- login to the math lab: ssh username@mathlab35_85503
or any other machine.
If your computer does not recognize mathlab35_85503, try the IP address:
ssh username@149.43.41.38
Note: if your username is the same
in the lab as on your machine, you can use: ssh mathlab35_85503
- Type "matlab" (without quotes) to start the matlab program.
If this doesn't work, try "/Applications/MATLAB_R2013a.app/bin/matlab -nojvm"
Windows
Windows doesn't come with a secure terminal communications program, but you
can download a free one from the web. It is called PuttySSH. There is also
a file transfer program to move files to and from the computers called psftp.exe.
You will need to download PuttySSH
or another "ssh" prorgam.
You can get PuttySSH here
- Download the ssh program and install it.
- Open the program and direct it to mathlab35_85503.colgate.edu (or other computer
in the lab). It prompts for your username and password. Enter them as instructed.
If your computer doesn't recognize mathlab35_85503, use the IP address
instead: 149.43.41.38
A command window opens with a connection to the lab.
- Type "matlab" (without quotes) to start the matlab program.
If this doesn't work, try "/Applications/MATLAB_R2013a.app/bin/matlab -nojvm"
Editors
There are many good editors for editing files within a command window. The default
for our machines is set to "nano". Basically, typing enters text to the file while
holding the "control" key while pressing other keys gives command to the editor.
A list of these commands appears at the bottom of your screen.