https://www.cs.vassar.edu/ 2026-04-18T15:15:28+00:00 https://www.cs.vassar.edu/ https://www.cs.vassar.edu/_media/favicon.ico text/html 2018-08-24T18:16:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/use_and_abuse?rev=1535134614&do=diff From time to time issues of computer privacy, fair use, or appropriate use of the Computer Science Department computer facilities come up. Any discussion must start with an understanding of the campus regulations on computer use. Campus Computer Regulations text/html 2020-07-04T20:59:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/filecopy?rev=1593896345&do=diff Secure Shell on macOS, Unix, and Linux Installation Any modern Unix-like operating systems should come with secure shell client utilities already installed. This is true for macOS, Ubuntu, Fedora, Mandrake Linux, FreeBSD and many others. If, however, you need a ssh client, you can download one from the openssh website: 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 2024-03-27T13:08:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/ssh?rev=1711544886&do=diff Accessing CS Systems The easiest way to gain access the Computer Science Dept. Linux machines outside of the Asprey computer lab. This gives you terminal access to the command line inside the department, and it allows you to send files back and forth to your home directory. Since it has no remote 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 2020-07-04T21:04:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/x2go?rev=1593896682&do=diff X2Go -- Remote Desktop Access About X2Go is a program that lets you use your account's desktop remotely. Imagine that you want to do work using DrRacket (or DrScheme, Netbeans, etc.) from your home computer but don't want to deal with the fuss of copying your work onto your CS account afterwards. 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 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 2022-10-28T18:01:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/jetbrains?rev=1666980095&do=diff JetBrains IntelliJ License When you start or launch any JetBrains software installed on a lab, classroom or office computer managed by the Computer Science Department, the computer is configured to look for our local, JetBrains license server to request a license for that software. 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 2023-04-06T14:19:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/possible_issues_with_remote_webui?rev=1680790785&do=diff Possible Issues when using the Remote WebUI 1. Why do I get bumped off after 4 - 5 hours? There is a time limit on the connection because several people have forgotten to log out and left their user home account files open and tied to remote system. Therefore a timer will kick you off after four or five hours to close all of your applications and files for you so that your files are not corrupted. Save your work often! Close all of your applications and disconnect or logout when you are done o… text/html 2023-02-21T21:04:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/crsound?rev=1677013468&do=diff Classroom Sound (Linux podium system) On your Linux podium desktop: * Open a terminal and type 'pavucontrol“; alternatively, Start button --> Sound & Video --> PulseAudio Volume Control * On the “Playback” tab, make SURE that “System Sounds text/html 2022-09-06T15:39:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/crmonitor?rev=1662478771&do=diff SP105 * The default is monitor is Display 1 and overhead is display 2 SP307 * The system near the server room has an output connection to the CRESTRON. There is no projector but there is a flat panel TV mounted on the wall in this room. SP309 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 2023-01-19T02:50:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/sshkeys?rev=1674096627&do=diff Setting up SSH Keys Note : This tutorial assumes that you are running a linux-based operating system. The procedure for setting up keys on an Apple Mac OS X machine is similar to this procedure, but you may need to make some minor adjustments. There is a separate 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 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 2023-02-14T20:09:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/forwarding_x11?rev=1676405365&do=diff Forward X11 Very few systems here are configured to forward X11 via SSH. And this will generally be reserved for request by the faculty and not for classroom computers. If you require a GUI environment then you are strongly encouraged to use the Guacamole server by logging in at text/html 2024-04-30T14:38:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/printing?rev=1714487890&do=diff Setup To enable the printer, on the linux cmd line: * cd ~ * mkdir .cups * cd .cups * echo 'User 999nnnnnn' > client.conf (ensure that single quotes are used your 999 is entered) * chmod 400 client.conf (ensure that you can only read the file) 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 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 2015-08-27T14:13:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/apps/mono?rev=1440684806&do=diff Mono <quote Wikipedia>Mono is a free and open source project led by Xamarin (formerly by Novell and originally by Ximian) to create an Ecma standard compliant .NET Framework-compatible set of tools including, among others, a C# compiler and a Common Language Runtime.</quote> text/html 2025-03-05T18:37:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/top?rev=1741199835&do=diff Computer Science Lab <> Classroom : Resources Linux System Help * Linux Account Password * Printing * Remote Access * Browser Won't Start * Common Issues * Changing Desktop Background * Classroom Sound from Linux * Classroom Podium Monitor System Information * CS Lab Configurations * CS Department Firewall Overview ---------- Learning Linux... * Linux Tutorial * Command Line Basics * Advanced CLI * Emacs - tips * Bash programming and gene… text/html 2022-11-09T21:03:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/playing_dvds?rev=1668027790&do=diff Playing DVDs The computers all have a DVD drive, however only SP105 currently has the correct drivers because there hasn't been a need. Attached in the [document for playing DVDs in SP105]. 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 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. text/html 2016-09-29T18:34:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/x2go/linux?rev=1475174053&do=diff X2Go Ubuntu Installation * Step 1: Open a shell (Note: on most systems, you can to this by typing in Ctrl-Alt-t). * Step 2: Type in sudo apt-get install x2goclient. Hit Enter. * You will be prompted for your password. Type it, then hit enter. Note that as you type your password, the screen won't change (no *s will appear). This is normal; the computer is still registering your typing.