https://www.cs.vassar.edu/ 2026-06-13T23:22:00+00:00 https://www.cs.vassar.edu/ https://www.cs.vassar.edu/_media/favicon.ico text/html 2011-05-05T19:17:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/inhouse/using_the_pickup_script?rev=1304623047&do=diff Using the pickup script with your course What it is The pickup script is a companion to the submit script. Pickup allows you to place files for pickup in your course directories such that those files cannot be read by your students until they run this script. At that time an entry is logged showing the date, time, user and directory that was picked up. If your students attempt to kill the script (say, after it copies the files and before it logs that it has) that attempt will also be logged… text/html 2008-05-07T02:42:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/isohome.script?rev=1210128164&do=diff isohome Isohome is a simple script that tries to make an image of your CS home directory that is suitable for burning onto a CD or DVD. It will confirm that you are running it from the machine where your home directory is actually a local disk. If not it will tell you which machine you need to run the script from. text/html 2010-12-06T15:30:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/kill_a_process?rev=1291649428&do=diff Monitoring and Killing Processes Any process you own you can kill (this is not a moral judgment, just a fact of life in Unix and Linux). Killing an offending process graphically If the machine itself is still responsive (but one or more windows perhaps aren't) you can try one of the Graphical Process Managers on our system.$$xfce4-taskmanager$$````````$$gnome-system-monitor$$```````` text/html 2011-05-10T16:58:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/ewc?rev=1305046736&do=diff Export a window to the Projector Please note, the instructor's workstation in room 105 has a resolution of 1280×1024, the student workstations have screen resolutions of 14450×900. Please resize any window you want to export to fit on the display where you are exporting it. ```````````````````````````````````````````````` text/html 2009-10-14T17:24:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/isohome?rev=1255541099&do=diff Backup to CD/DVD ---------- * * * * * * ---------- <BOOKMARK:quick> The really short version of the instructions If you just want to do this without delay and can get to the CS lab... * Bring a blank CD or DVD to the lab * text/html 2010-05-26T14:32:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/inhouse/todo?rev=1274884335&do=diff On The Table Upgrade the wiki - Greg Once done, I can put in the “task” plugin which will do this correctly... but for now if done, tag with <del> </del> (or highlight and use the Strikethrough icon (5th from the left) and add signature (the icon with the pencil on it 4th from the end) for date stamp. text/html 2022-08-31T12:49:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/sshkeysmswindows?rev=1661950198&do=diff SSH Keys on Microsoft Windows using the PuTTY Utility SSH keys are what you will use to establish an encrypted connection over the network, e.g. the internet, between your system and a remote machine. The default type of key to generate is RSA which is good for most purposes. RSA is universally supported among SSH clients. Note that EdDSA performs much faster and provides the same level of security with significantly smaller keys. In general, though, for what you need to do, RSA encryption is … text/html 2010-11-24T23:10:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/acm_jar_applets?rev=1290640216&do=diff Using acm.jar The ACM Java Task Force (JTF) created an API framework for Java programs which is distributed in the file acm.jar. Programs using acm.jar may be compiled and executed from the command line, or within your favorite Java IDE (e.g., Netbeans, DrJava). It is also possible to run your JTF programs as an applet within a browser or via the appletviewer. ```````````````````````````````````` text/html 2023-01-26T15:53:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/logging_out_of_a_desktop_or_remote_desktop?rev=1674748402&do=diff Logging out of the Computer Science Computers Leaving files open in editors such as pluma and emacs, or leaving applications running can lead to corrupt files and loss of your work because your files are not local to any computer. Your files are shared from a central server. Therefore, if you leave an application open on one computer and then go to another computer, you have several devices trying to access your files. Applications don’t like this. Firefox, for example, won’t allow you to star… text/html 2011-09-22T17:43:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/java_system_tips?rev=1316713392&do=diff Java issues and tips Java remote method invocation problem Problem: When running a demo of Java's remote method invocation on our Ubuntu 9.04 based linux machines running java-6-openjdk the client could only attach to a server running on the same host.```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````` text/html 2010-08-26T13:12:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/inhouse/krock?rev=1282828323&do=diff kroc install notes * Installed packages on martha listed on the debian install page * then grabbed “latest stable” with svn svn co http://projects.cs.kent.ac.uk/projects/kroc/svn/kroc/branches/kroc-1.5 kroc-svn which claims to be revison 6412 text/html 2021-02-11T14:53:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/x2go/windows?rev=1613055214&do=diff X2Go Windows Installation * Step 1: <html><a href=“<https://code.x2go.org/releases/X2GoClient_latest_mswin32-setup.exe>” target=“blank”>Click here for the latest version</a></html> to go to the download page for x2go. <html><a href=“<https://code.x2go.org/releases/binary-win32/x2goclient/releases/>” target=“blank”>Click here for the previous versions.</a></html> text/html 2021-03-04T00:22:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/x2go/apple?rev=1614817344&do=diff X2Go macOS Installation <https://www.xquartz.org/>may * Step 1: <html><a href=“<https://code.x2go.org/releases/binary-macosx/x2goclient/releases/4.1.2.2/>” target=“blank”>Click here for the latest version</a></html> to go to the download page for X2Go. <html><a href=“<https://code.x2go.org/releases/binary-macosx/x2goclient/releases/>” target=“blank”>Click here for the previous versions.</a></html> text/html 2010-02-01T19:26:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/using_dbc?rev=1265052409&do=diff Using the script /usr/local/sbin/dbc Dropbox check script Description This script is used to look at information from file names created by the submit script used by the digital drop box. It assumes English month names (January, February, etc.) and cannot deal with spaces. It prints out the encrypted information in a readable format. text/html 2025-09-30T20:45:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/password?rev=1759265121&do=diff First Time Login The first time you log into a CS workstation with a temporary password, the login page will help you reset your password. First, enter your username (this will be the same as your Vassar email address, before the @-symbol): Enter your temporary password, which should have been given to you by your professor or sysadmin: text/html 2022-09-02T18:02:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/account.size?rev=1662141739&do=diff Account Size Here are a few tips for managing the size of your Computer Science Unix account. How Much Space does My Account Use? du -s -h /home/YOUR_ACCOUNT_NAME This command will give you your total account size. The “-h” stands for “human readable text/html 2015-08-26T21:23:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/apps/jedit?rev=1440624207&do=diff Jedit tip -. End of line codes When using jedit to edit files that will be saved on a remote linux or unix system, you may run into problems if you don't change the code jedit puts at the end of the line to indicate a return. Jedit calles this the ```````````````````````````````````````````````````````````````` text/html 2015-08-26T20:52:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/backups?rev=1440622373&do=diff FIXME update, convert to wiki, add link to isohome Backup With Tar ---------- * Overview * Creating a tar file of your entire directory * Copying the file to another location * Tar Documentation ---------- Overview While I make regular backups of the home directories on the Computer Science Unix machines, there are times when you want to have your own copy of your account. There are several relatively painless ways to accomplish this task. I will describe one of them here. If you n… text/html 2009-08-13T17:38:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/gate_tips?rev=1250185129&do=diff Gate tips Help! I still get GATE 5.0 Beta, not GATE 5.0 When you run gate you should see that you are running GATE Developer 5.0 build 3244. If you are not, then to use the new version you need to do the following 2 steps: * Delete your existing user configuration file, do that with the command: ```````````````````` text/html 2019-05-24T11:55:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/windows?rev=1558698954&do=diff Secure Shell on Windows Installation To log in to the CS Department computers, you will need a SSH client. There are several free SSH clients available for Windows. We have used PuTTY with great success. We have also used WinSCP to copy files between Windows and Unix computers. text/html 2020-07-04T21:02:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/vnc?rev=1593896566&do=diff Using VNC What is VNC? NOTE: VNC is deprecated. For all remote desktop access, we ask that you use X2Go (found here). VNC is a system for interacting with a computer display remotely, over a network. This technology was developed by AT&T Laboratories, and is now available for free over the internet (distributed under the GNU General Public License. Visit the text/html 2023-01-05T22:19:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/mitm?rev=1672957190&do=diff Host Key Verification Failed At some point you may attempt to SSH into a server, workstation or device, e.g. “my_server”, that you have logged into before and you encounter a long, scary message as follows that ends with “Host Key Verification Failed text/html 2023-03-06T19:51:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/jump?rev=1678132316&do=diff SSH Proxy Jump (Might as Well Proxy Jump!) Announcement (March 06, 2023) As of March 06th, 2023, direct internet access to the CS Department bastion servers is no longer allowed. If you want to access these bastion servers then you need to be on the text/html 2025-06-27T18:46:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/frozen?rev=1751049974&do=diff Frozen Machine! If you have a process, a window, or a machine that seems to have “frozen” while you were working on it, became “stuck,” is not responding to the keyboard or mouse, or is spewing out garbage into a window here is what you can try. If the steps below don't work, please get more help! Either ask a coach, an instructor or find or write me.