Annotation of doc/hardware/hardware.html, revision 1.4
1.1 harris41 1: <HTML>
2: <TITLE>LON-CAPA Hardware Compatibility</TITLE>
3: <H1>LON-CAPA Hardware Compatibility</H1>
4: <P>
5: Last updated: 10/23/2000
6: </P>
7: <H3>Hardware Requirements</H3>
8: <P>
9: There are 4 hardware requirements for the current LON-CAPA system.
10: <UL>
11: <LI>i586 (or greater) intel architecture computer
12: <LI>ethernet card
13: <LI>static IP connection
14: <LI>4 gigabytes (or greater) hard drive space
15: <LI>CD-ROM
16: <LI>64 megabytes (or greater) of RAM
17: <LI>all hardware (monitors, ethernet cards, CD-ROMs, motherboard) must
18: be compatible with RedHat Linux 6.2. A vendor compatibility list is at
1.2 harris41 19: <A HREF="http://www.redhat.com/support/hardware/intel/62/rh6.2-hcl-i.ld.html">
20: http://www.redhat.com/support/hardware/intel/62/rh6.2-hcl-i.ld.html</A>.
1.1 harris41 21: </UL>
22: </P>
23: <P>
24: </P>
25: <H3>Frequently Asked Questions</H3>
26: <P>
27: <OL>
28: <LI><B>Why can't I run the LON-CAPA system on a Sun Microsystem,
29: MacOS-X, Windows-NT, or a LINUX-based system other than RedHat 6.2?</B>
30: <BR>The short answer is you can run LON-CAPA on most any type of
31: computer, but you shouldn't. The software system of LON-CAPA has
32: been designed with security and performance in mind. Unless you are
33: prepared to understand the configuration details of the LON-CAPA network
34: layer and security issues specific to your operating system and machine
35: architecture, you will not be able to run LON-CAPA. In the long-term,
36: alternate scenarios of running the LON-CAPA system will add significant
37: administrative overhead in terms of LON-CAPA software upgrades.
38: <LI><B>What about firewall configurations?</B>
39: <BR>Firewall configurations are doable, but not recommended.
40: This requires detailed understanding of the LON-CAPA network layer, reduces
41: network connectivity, and may require reconfiguration upon new software
42: releases
43: <LI><B>What about load-balancing hardware configurations?</B>
44: <BR>The good news is that LON-CAPA supports its own load-balancing
1.2 harris41 45: of web-delivered content. The only relevant hardware configuration
46: is a static IP address and ethernet connection. LON-CAPA takes care
47: of the rest. Load-balancing should not be implemented with
48: other hardware/software configurations since this would alter the logic
49: by which LON-CAPA distributes and disseminates resources.
1.1 harris41 50: <LI><B>What about backup tape drives and CD-ROM burners?</B>
51: <BR>There currently is no defined system of backing up LON-CAPA resources.
1.2 harris41 52: It is, however, both easily doable and highly recommended. Every machine's
53: /home/httpd/html/res directory should be periodically saved in entirety.
54: Additionally, you may wish to save other machine-specific configuration
55: files such as /etc/httpd/conf/access.conf (for a description of these
1.3 harris41 56: files, go to <A HREF="http://install.lon-capa.org/3.1/loncapafiles/loncapafiles.html">
57: http://install.lon-capa.org/3.1/loncapafiles/loncapafiles.html)</A>. As far as HOW you
1.2 harris41 58: save this, via a tape-drive or CD-ROM, that is your currently your
59: judgement call. For more information on backing up Linux-based systems,
60: read <A HREF="http://www.medstv.unimelb.edu.au/~pierre/backup/Backup-HOWTO.html">
61: http://www.medstv.unimelb.edu.au/~pierre/backup/Backup-HOWTO.html</A>.
1.1 harris41 62: </OL>
63: </P>
1.2 harris41 64: <H3>Notes</H3>
65: <P>
66: A monitor and other peripherals are not necessary for anything but
67: the installation process. Their inclusion with your computer system
68: is dependent on what level of convenience you think they provide.
69: </P>
1.1 harris41 70: </BODY>
71: </HTML>
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