https://www.cs.vassar.edu/ 2026-04-18T13:54:54+00:00 https://www.cs.vassar.edu/ https://www.cs.vassar.edu/_media/favicon.ico text/html 2010-10-29T19:16:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/inhouse/using_htaccess?rev=1288379766&do=diff Using htaccess for web pages Please note: htaccess is for pages served from OUTSIDE THE WIKI in users directories. The wiki has similar ability, but it is set up differently -Greg Web Access Restriction by user/password This can be used in many ways, the user and password are not related to our system users and passwords, so you can use anything you like, however, there is no mechanism for the web users to maintain or reset their htaccess password so it can become a maintenance nightmare qui… text/html 2025-06-27T18:49:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/browser_wont_start?rev=1751050146&do=diff Help, my browser won't load! Generally, if you click the browser icon and it doesn't do anything, or gives you an error that mentions profiles, there's probably a previous instance of the browser that didn't clean up after itself. The first thing to check is if you have the browser open on another workstation. If you're logged into two workstations and try to start a browser on both of them, it will cause an error because the application wants to ensure that there is only one copy of it running… 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 2020-07-04T20:59:05+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 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 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 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 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 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 2025-06-27T18:51:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/general_linux/priority?rev=1751050267&do=diff System Priorities Priorities of programs are something to be aware of. PS The first thing to do is to get to know your processes. The ps command lists out the processes you have running on the system. By using ps -l, an extended listing of your processes is provided. The fields of the most interest to this topic are the PID, NI, and COMMAND fields. The COMMAND field lists the name of the command that started your process. So, if you're looking for your runaway c++ program, a.out is the one yo… 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 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 2011-02-24T17:38:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/help/sysnews/inhouse/rsync_windows?rev=1298569104&do=diff Synchronization with your CS account from Windows /!NOTE this is the beginning of a page on this topic, this information is incomplete at this time -Greg !/ tools cwRsync - get it <http://www.itefix.no/i2/node/10650> get latest cwRsync_VERSION.zip (not cwRsyncServer_VERSION.zip) from ```` 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…