Annotation of doc/shortest_path_redhat7.2.txt, revision 1.1
1.1 ! harris41 1: $Id$
! 2:
! 3: INSTALLING LON-CAPA ON A REDHAT 7.2 SYSTEM
! 4:
! 5: Scott Harrison
! 6:
! 7: * Quick Instructions
! 8: * Support
! 9: * System Requirements
! 10: * Strategy
! 11: * Testing
! 12: * Acknowledgements
! 13:
! 14: Quick Instructions
! 15: ------------------
! 16:
! 17: PLEASE contact harris41@msu.edu if these instructions
! 18: do not work.
! 19: PLEASE subscribe yourself to the ANNOUNCE MAILING LIST!
! 20: Go to http://mail.lon-capa.org/mailman/listinfo/lon-capa-announce
! 21:
! 22: 1. Download http://install.lon-capa.org/versions/current/loncapa.tar.gz
! 23: (from a linux terminal, type
! 24: wget http://install.lon-capa.org/versions/current/loncapa.tar.gz)
! 25: 2. tar xzvf loncapa.tar.gz
! 26: 3. cd loncapa
! 27: 4. Read the README file (this file).
! 28: 5. EXECUTE: ./UPDATE
! 29: 6. EXECUTE: ./TEST
! 30:
! 31: Please follow the instructions that are given
! 32: to you by the TEST command. You will probably
! 33: have to make a few changes and continue to run
! 34: TEST until all the system-critical steps are
! 35: taken care of.
! 36:
! 37: Support
! 38: -------
! 39:
! 40: LON-CAPA is a GPL-based project which originally was, and in a
! 41: significant sense still is, located at Michigan State University.
! 42: The installation, software versioning, and specification is
! 43: currently maintained by the freeware community which includes
! 44: the document author and more importantly you!
! 45:
! 46: Your interest, questions and suggestions are enthusiastically
! 47: invited for the specific development of the GPL code.
! 48:
! 49: We do our best to help get you started with a 100% operational
! 50: system. Please e-mail harris41@msu.edu or helen@lon-capa.org
! 51: for help with software installation.
! 52:
! 53: System Requirements
! 54: -------------------
! 55:
! 56: It should be an intermediate-to-high-level
! 57: performance workstation computer. A ballpark suggestion
! 58: is that it is PentiumII or greater, has 20 gigabytes of
! 59: harddisk space, 256M RAM, and 400MHz CPU processing speed...
! 60: Dr. Kortemeyer at Michigan State University can give a more
! 61: thorough response if needed (he has experience with setting
! 62: up high-performance web server clusters).
! 63:
! 64: A specifically high-level suggestion is a multi CPU machine
! 65: (with a CPU speed of 1 gigahertz), a gigabyte of memory and
! 66: at least 40 to 80 gigabytes of hard disk space.
! 67:
! 68: You can use a lesser machine for toying around with LON-CAPA (It will
! 69: install an run for a single user on most anymachine) but if you wish
! 70: to support students and you wish to support deadline crunches my
! 71: suggestion is to go with the above.
! 72:
! 73: LON-CAPA will work on any Intel-based RedHat compatible
! 74: hardware. And, unlike other software systems, it works
! 75: comparatively well on dusty old crippled machines without
! 76: much RAM or processing. I am just projecting the characteristics
! 77: that make LON-CAPA nice to use without any unreasonable slowness,
! 78: and in terms of hard disk space, how to make it at least 5 years
! 79: down the road, if not more.
! 80:
! 81: If thousands of students start accessing the box as a web server...
! 82: well you may want to consider more options (LON-CAPA supports
! 83: load-balancing on multiple computers for instance). We like
! 84: to think of high web server usage as "a good problem" though.. :)
! 85:
! 86: We support Linux OS. LON-CAPA has been shown to work on Debian,
! 87: Mandrake, and RedHat. Instructions are based on RedHat-centric
! 88: installs. Given the current level of new LON-CAPA feature requests
! 89: and frequency of new software versions, we suggest that you stick
! 90: with RedHat to reduce high frequency system administration overhead.
! 91:
! 92: Strategy
! 93: --------
! 94:
! 95: *** PERL ***
! 96: It is important to check and see if your system has all
! 97: needed perl modules in /usr/lib/perl5/.
! 98:
! 99: *** RPMS ***
! 100: It is important to:
! 101: * keep your RPMs up to date
! 102: * try to have a reasonably minimal set
! 103:
! 104: *** MYSQL ***
! 105: It should be kept operational at all times.
! 106: In case of failure, there is a resynchronizing
! 107: strategy so that the data on the filesystem
! 108: continually refreshes the data within the
! 109: MYSQL database.
! 110:
! 111: *** APACHE ***
! 112: LON-CAPA expects that conf/loncapa.conf will be the
! 113: last Apache configuration file to be processed before
! 114: launching the httpd server. This may interfere
! 115: with other ways in which you utilize your web server.
! 116: For instance, LON-CAPA requires that httpd
! 117: run as user=www and group=www.
! 118:
! 119: Testing
! 120: -------
! 121:
! 122: 1. Perl
! 123:
! 124: 2. MySQL
! 125:
! 126: 3. Web Layer
! 127:
! 128: 4. File Status
! 129:
! 130: 5. RPM Status
! 131:
! 132: Acknowledgements
! 133: ----------------
! 134:
! 135: Many thanks to Matthew Hall (Michigan State University),
! 136: Guy Albertelli (Michigan State University), Felicia
! 137: Berryman (Michigan State University), Gerd Kortemeyer
! 138: (Michigan State University) and Martin Siegert (Simon
! 139: Frasier University) for their responsive feedback regarding
! 140: ideas in this document.
! 141:
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