Annotation of doc/hardware/hardware.html, revision 1.3
1.1 harris41 1: <HTML>
2: <TITLE>LON-CAPA Hardware Compatibility</TITLE>
3: <H1>LON-CAPA Hardware Compatibility</H1>
4: <P>
5: Scott Harrison
6: </P>
7: <P>
8: Last updated: 10/23/2000
9: </P>
10: <H3>Hardware Requirements</H3>
11: <P>
12: There are 4 hardware requirements for the current LON-CAPA system.
13: <UL>
14: <LI>i586 (or greater) intel architecture computer
15: <LI>ethernet card
16: <LI>static IP connection
17: <LI>4 gigabytes (or greater) hard drive space
18: <LI>CD-ROM
19: <LI>64 megabytes (or greater) of RAM
20: <LI>all hardware (monitors, ethernet cards, CD-ROMs, motherboard) must
21: be compatible with RedHat Linux 6.2. A vendor compatibility list is at
1.2 harris41 22: <A HREF="http://www.redhat.com/support/hardware/intel/62/rh6.2-hcl-i.ld.html">
23: http://www.redhat.com/support/hardware/intel/62/rh6.2-hcl-i.ld.html</A>.
1.1 harris41 24: </UL>
25: </P>
26: <P>
27: </P>
28: <H3>Frequently Asked Questions</H3>
29: <P>
30: <OL>
31: <LI><B>Why can't I run the LON-CAPA system on a Sun Microsystem,
32: MacOS-X, Windows-NT, or a LINUX-based system other than RedHat 6.2?</B>
33: <BR>The short answer is you can run LON-CAPA on most any type of
34: computer, but you shouldn't. The software system of LON-CAPA has
35: been designed with security and performance in mind. Unless you are
36: prepared to understand the configuration details of the LON-CAPA network
37: layer and security issues specific to your operating system and machine
38: architecture, you will not be able to run LON-CAPA. In the long-term,
39: alternate scenarios of running the LON-CAPA system will add significant
40: administrative overhead in terms of LON-CAPA software upgrades.
41: <LI><B>What about firewall configurations?</B>
42: <BR>Firewall configurations are doable, but not recommended.
43: This requires detailed understanding of the LON-CAPA network layer, reduces
44: network connectivity, and may require reconfiguration upon new software
45: releases
46: <LI><B>What about load-balancing hardware configurations?</B>
47: <BR>The good news is that LON-CAPA supports its own load-balancing
1.2 harris41 48: of web-delivered content. The only relevant hardware configuration
49: is a static IP address and ethernet connection. LON-CAPA takes care
50: of the rest. Load-balancing should not be implemented with
51: other hardware/software configurations since this would alter the logic
52: by which LON-CAPA distributes and disseminates resources.
1.1 harris41 53: <LI><B>What about backup tape drives and CD-ROM burners?</B>
54: <BR>There currently is no defined system of backing up LON-CAPA resources.
1.2 harris41 55: It is, however, both easily doable and highly recommended. Every machine's
56: /home/httpd/html/res directory should be periodically saved in entirety.
57: Additionally, you may wish to save other machine-specific configuration
58: files such as /etc/httpd/conf/access.conf (for a description of these
1.3 ! harris41 59: files, go to <A HREF="http://install.lon-capa.org/3.1/loncapafiles/loncapafiles.html">
! 60: http://install.lon-capa.org/3.1/loncapafiles/loncapafiles.html)</A>. As far as HOW you
1.2 harris41 61: save this, via a tape-drive or CD-ROM, that is your currently your
62: judgement call. For more information on backing up Linux-based systems,
63: read <A HREF="http://www.medstv.unimelb.edu.au/~pierre/backup/Backup-HOWTO.html">
64: http://www.medstv.unimelb.edu.au/~pierre/backup/Backup-HOWTO.html</A>.
1.1 harris41 65: </OL>
66: </P>
1.2 harris41 67: <H3>Notes</H3>
68: <P>
69: A monitor and other peripherals are not necessary for anything but
70: the installation process. Their inclusion with your computer system
71: is dependent on what level of convenience you think they provide.
72: </P>
1.1 harris41 73: </BODY>
74: </HTML>
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