How to Connect from Home with Windows Originally by Matt Johnson Fall 2006 Edited by Ramesh Sridharan for CS61A Spring 2007 Send comments to ramesh ucb AT gmail com You should read this guide if you want to work from home by connecting to the school computers With this set up you can work just as if you are sitting at a lab terminal and keep all your files together and easily accessible from the lab This guide won t help with learning to use the UNIX environment This guide also won t help if you are using a Mac so if you re on a Mac go to the other guide Connecting with Windows First you need to download two software packages SSH Secure Shell and Exceed You can get them from these links with CalNet authentication http software central berkeley edu all ssh secure shell a nice small download http software central berkeley edu all exceed get the Desktop Client exceed 2006 win exe Part 1 Exceed Setup Optional Exceed is a program that essentially runs in the background and when paired with your SSH connection can enable windowing and mouse based interactions To read more about the X11 windowing system check out http en wikipedia org wiki X11 You don t have to set up Exceed if you really don t want to but if you install it you ll have access to graphical windows and you can do things like use your mouse in emacs After you run the executable installer exceed 2006 win exe and restart look for it in the Hummingbird Connectivity folder in your Start All Programs menu Click on it to start it up and note that it s pretty much invisible After you start Exceed you are ready to open SSH and make a connection to a server Part 2 SSH Secure Shell Setup required Secure Shell SSH is the program that will establish a network connection to a Berkeley server After you connect it will act just like the text based terminals in the lab so you will use it for opening programs and interacting with the filesystem For more information on SSH read http en wikipedia org wiki Ssh After you download SSH open the executable file ssh client 3 2 9 win exe and click through the installation screens When the installation is done look for SSH Secure Shell in the Start All Programs menu and open up Secure Shell Client But before you connect If you installed Exceed Part 1 there is a preference you need to set in SSH to allow the windowing connection In the SSH window go to Edit Settings and look for Tunneling in the left pane It s under Profile Settings Connection Tunneling Click Tunneling to highlight it and check the box next to Tunnel X11 Connections After you check the box click OK and you are ready to connect with SSH and you can start emacs in a beautiful separate window Be sure to use the emacs command to start it in the background or else it will tie up your SSH window Alternately you can open another connected SSH terminal window by clicking the button to the right of the binoculars Click the Quick Connect button in the top left corner to connect There are several fields to fill in the Host Name is the name address of the server you are going to connect to As long as it s a Berkeley CS server the host name doesn t really matter because your files will follow you around wherever you choose to connect Here are a bunch to choose from cory eecs nova cs torus cs c199 eecs star cs rhombus cs po eecs pulsar cs sphere cs h30 cs solar cs pentagon cs h50 cs quasar cs cube cs Add berkeley edu to the one you choose so that h50 cs becomes h50 cs berkeley edu In User Name you need to type your class account name something like cs61a xx The Port Number field should be set to 22 and the Authentication Method should be Password Click Connect and type in your class account password You ll see a bunch of text in the window followed by a command prompt blinking patiently Hey I know you You re that command prompt from the lab Now you can use all your favorite commands ls cd emacs etc and program as if you were at a lab terminal If you have any problems with SSH or Exceed check your firewall settings to make sure you aren t blocking either one this is a fairly common problem with the BeSecure firewall If you need more help just ask your friendly TA
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