Application Profiling This page, and the references included therein, are currently being tested. YMMV Please submit a ServiceRequest with any problems, questio...
A Guide to CLASSE Computing Services #LogIn Log In When you obtained your CLASSE computing account, you were provided a userid and you set your own passwor...
CLASSE Group Information CLASSE groups should be used when multiple people need access to a common file, directory, or filesystem. For a list of all groups, incl...
Firefox Browser Log in to CLASSE web pages with Kerberos ticket (preset on CLASSE managed Linux and Windows machines) Please see ClasseAuthentication for more in...
gam_server This problem should have been resolved by our update to SL4.8. Occasionally the gam_server (the Gnome File Alteration Monitor) process enters a loop an...
GlassFish CLASSE has migrated most production Java EE applications to Payara from Glassfish. For instructions on using Payara, please see PayaraServer. Many CLAS...
FAQ: Why does my gnome login hang after I type my password? ANSWER: Are you able to login to a different desktop environment, like kde? Usually that kind of a pr...
Linux Home Disk Please see DataStewardship for general storage recommendations at CLASSE. How to Access Operating System Path to User Disk Linux /home...
Linux in general Getting started For a written introduction to Linux, here are some online resources that you might find useful: * http://www.ee.surrey.ac.uk/...
Printing from your Personal Linux Laptop Redhat, Fedora, or Scientific Linux * Open your system's Printer Configuration GUI * depending on your distribu...
Software Development Debugging Tools * See https://cesrwww.lepp.cornell.edu/wiki/CESR/LinuxDebuggingTools for documentation (maintained by CESR developers) on...
Linux Transparent Screenlock CLASSE Uses transparent screen locks for many kiosk setups. In most cases the screen lock kicks in after 15 minutes and can be unloc...
64 bit Computing This page contains notes on running on a 64 bit OS. For notes specific to Scientific Linux 5 (not just 64 bit SL5), please see ScientificLinux5....
Finding Confidential Data on Linux Each of us is personally responsible for locating and removing any confidential data from any computer directory that we can wr...
Multiple Sessions Several Linux applications are really only meant to have one session running at a time. Graphical Window Managers Both KDE and Gnome suffer f...
Network Accessible Filesystems CLASSE provides several network accessible fileystems to all of our Linux, Windows, and OS X computers. For a comprehensive list o...
April 15th, 2013 Today's topics: LEPP Matlab Upgrade to 2013a LEPP currently uses Matlab 2010a as the standard Matlab deployment. This version is now 3 years old...
February 6th, 2012 Today's topics: Firefox Extended Support Release Mozilla is now providing an ESR (Extended Support Release) of version 10 of the Firefox Web b...
February 14, 2010. Today's topics: CLASSE Domain server patching There will be some down time on the CLASSE Domain Controllers this Tuesday, Feb 15th starting a...
February 20, 2012 Today's topics: Firefox Extended Support Release Mozilla is now providing an ESR (Extended Support Release) of version 10 of the Firefox Web b...
January 31, 2011 Today's topics: Scheduling Meetings There has been quite a bit of confusion about how to schedule meetings using Outlook. Here's an attempt to c...
June 1st, 2015 Today's topics: CLASSE IT Help Desk hours suspended in Newman and PSB Mike Roman has been injured in a bike accident and will not be in for a bit....
March 17, 2014 Today's topics: Linux Introduction At the recent CESR Software meeting, a Linux Tutorial for VMS Users was giving. While some aspects are specifi...
March 24, 2014 Today's topics: Newman Lab Network Outage: Tuesday, March 25 @ 7:30 AM There will be brief network outage (including RedRover eduroam wireless) ...
October 28, 2013 Today's topics: Matlab 2013a on Linux On Tuesday October 29, the default version of matlab for all Scientific Linux 5 and 6 computers will be up...
October 31st, 2011 Today's topics: Firefox versions in use at LEPP LEPP is currently running (and has standardized on) the Firefox 3.6 series, the most recent as...
Computing Policy Information Computing Guidelines * Common Sense and Computer Use at CLASSE appropriate and inappropriate uses of CLASSE computers. * Campu...
Read the newsletter! Nearly every week, the CLASSE Computer Group publishes a newsletter for the CLASSE user community; a pdf is emailed to everyone in the lab, a...
REVTeX For instructions on using LaTeX at LEPP, please see LaTeX. APS now requires REVTeX 4.1. TeX Live (available to Linux in /nfs/opt/texlive/) provides REVTeX...
Remote access to Linux machines Depending on your requirements, there are several options for remotely access CLASSE Linux resources. Function Recommended sol...
Scientific Linux 5 LEPP is in the process of transitioning from 32 bit Scientific Linux 4 (SL4) to 64 bit Scientific Linux 5 (SL5). Any code built on 32 bit SL4 ...
Scientific Linux 6 LEPP is in the process of transitioning to 64 bit Scientific Linux 6 (SL6). Any code built on an earlier SL distribution should run on 64 bit ...
Server Process Management In some cases, groups or projects may need to automatically start and stop a set of servers that run on various computers throughout the...
Software Installation Policy Overview Software installations on CLASSE managed systems are performed by the CLASSE IT group. To request an installation, please s...
Thunderbird Profiles Thunderbird and Firefox can refuse to launch, claiming falsely that your profile is not available when it can be their directories in your ho...
Linux Tem Disk One general purpose linux tem disk is available for temporary storage. It can be accessed as follows 1 /cdat/tem from linux 1 \\samba\tem fro...
Trusted X Forwarding In general, one can use ssh Y to login to a remote system and setup X forwarding. If you then want to become another user (through ksu, fo...
USER INFORMATION %TWISTY{mode="div" start="hide" showlink="Show Table of Contents " hidelink="Hide Table of Contents" showimgright="" hideimgright=""}% Platform...
Useful Tips Printer Friendly Read the newsletter! The CLASSE Computer Group publishes a weekly newsletter, usually at 2 PM on Mondays. A reminder is emailed to a...
// The time out value in milli seconds (1,000 milli seconds = 1 seconds) setTimeout('document.location=document.location',300000); Remote Access to Virtual Wind...
Terminal Service / Remote Desktop access to Windows Applications from Linux Introduction * To access the Windows Terminal Server "Full Desktop Experience" fr...
X2Go CLASSE supports X2Go as a legacy GUI remote access tool. For best results CLASSE IT recommends migrating to NoMachine. The X2Go server is currently available...
Xfce Introduction Xfce is the default Desktop Environment on all CLASSE Scientific Linux 7 (SL7) systems. From the xfce.org site: "Xfce is a lightweight deskto...