--- doc/build/centos5_install.frag 2008/12/10 19:13:41 1.1 +++ doc/build/centos5_install.frag 2011/11/26 20:54:07 1.8 @@ -23,27 +23,28 @@ perl, and MySQL are not required to inst The installation process takes the following steps:

    -
  1. Obtain CentOS Linux 5 installation CDs
  2. -
  3. Determine Network Settings
  4. -
  5. Install CentOS Linux 5
  6. -
  7. Update your system
  8. -
  9. Install LON-CAPA
  10. -
  11. Create a Domain Coordinator
  12. -
  13. Start/Restart services
  14. -
  15. Log in to LON-CAPA
  16. +
  17. Obtain CentOS Linux 5 installation CDs
  18. +
  19. Determine Network Settings
  20. +
  21. Install CentOS Linux 5
  22. +
  23. Update your system
  24. +
  25. Install LON-CAPA
  26. +
  27. Create a Domain Coordinator
  28. +
  29. Start/Restart services
  30. +
  31. Log in to LON-CAPA
-

Obtain CentOS Linux 5 CDs

+
+

1. Obtain CentOS Linux 5 CDs

-CentOS isos can be obtained from links included on the CentOS download page
+CentOS isos can be obtained from links included on the CentOS download page
For the minimal install on 32-bit architecture you will need only the first CD. For the minimal install on 64-bit architecture you will need CDs 1, 2, and 4. -

+

-

Determine Network Settings

+

2. Determine Network Settings

-You will need to know the following network settings for your installation. +You will need to know the following network settings for your installation. Note:You must have a static IP address to use LON-CAPA. DHCP is not supported. @@ -55,12 +56,12 @@ DHCP is not supported.

  • domain name server(s)
  • -

    Minimal CentOS Linux 5 Install

    +

    3. Minimal CentOS Linux 5 Install

    Installing CentOS Linux is quite easy, particularly if you've installed any of the Red Hat, Fedora or CentOS Linux distributions before. Documentation is available from http://wiki.centos.org/ -Most of the installation screens are self explanatory. +Most of the installation screens are self explanatory. There are a few steps that require comment and are dealt with below.

    @@ -87,28 +88,33 @@ There are a few steps that require comme
    Software
    Click the "Customize Now" radio button and for a minimal install uncheck all packages except "Base" in the Base System category. If you leave other packages checked in any of the other categories, you'll need additional ISO CDs.
    -

    -Finish installing your server, reboot it, and log in as root. The -first time you log-in, the Setup Agent will be displayed. (If you exit it early you can enter it again buy running the command -

    -setup
    -
    - This should tool be used to configure the Firewall and SELinux. +

    +Finish installing your server, reboot it, and log in as root. +

    -
    Firewall Configuration
    +

    Firewall and SELinux Configuration

    +

    +The first time you log-in, the Setup Agent will be displayed. +If you exit it early you can enter it again buy running the command +

    +
    setup
    +

    +This tool should be used to configure the Firewall and SELinux. +

    -
    Select Security Level: Enabled, and Customize, to allow +
      +
    1. Select Security Level: Enabled, and Customize, to allow incoming: SSH (remote login), WWW (HTTP) and secure WWW - (HTTPS). (LON-CAPA also will use ports 5663 and 8080, but the - loncontrol startup script should open and close thos ports - itself.) -
    -
    Set SELinux to Disabled.
    -
    Select OK, and then Quit
    -

    + (HTTPS). + +
  • Set SELinux to Disabled.
  • +
  • Select OK, and then Quit
  • + -

    Update your system

    +
    reboot
    + +

    4. Update your system

    Update your system to the latest versions of the system software using yum.

    @@ -119,7 +125,7 @@ yum update Reboot your system before continuing with the installation.

    -Retrieve the rhel5_loncapa_yum file from the LON-CAPA install site: +Retrieve the centos5_loncapa_yum file from the LON-CAPA install site:

     wget http://install.loncapa.org/versions/centos/5/centos5_loncapa_yum.conf
    @@ -127,33 +133,35 @@ wget http://install.loncapa.org/versions
     

    Install the centos5_loncapa_yum.conf

    -

     mv /etc/yum.conf /etc/yum.conf.backup
     cp centos5_loncapa_yum.conf /etc/yum.conf
     yum update
     
    -

    -

    Installing LON-CAPA

    + + +

    5. Installing LON-CAPA

    +

    Import the LON-CAPA encryption key

    +
    rpm --import http://install.loncapa.org/versions/centos/RPM-GPG-KEY-loncapa

    Install prerequisites

    Execute:

     yum install LONCAPA-prerequisites
     

    -This may take a moment due to LON-CAPA's large number of dependencies. +This may take some minutes due to LON-CAPA's large number of dependencies.

    Retrieve and execute LON-CAPA setup program

    Retrieve the LON-CAPA setup with the following command:

    -wget http://install.loncapa.org/versions/centos/5/centos5_install.tar
    +wget http://install.loncapa.org/linux/install.tar
     

    Extract the archive with the following command:

    -tar xf centos5_install.tar
    +tar xf install.tar
     

    This creates a directory named installation. Change to it and @@ -164,20 +172,26 @@ cd installation ./install.pl

    -This script will prompt you for the MySQL root password and will download the latest LON-CAPA release.
    -You can safely ignore the following warnings from gcc 4 when compiling pwauth:
    - -pwauth.c: In function ‘lastlog’: -

    -pwauth.c: In function ‘main’: +The script is used to prepare a Linux system to run LON-CAPA, and can also be +used to check the configuration of a system on which LON-CAPA has already been installed. Typically, though, you will run this script only once, when you first install LON-CAPA. +

    +

    +The script will analyze your system to determine which actions are recommended. The script will then prompt you to choose the actions you would like taken. +Once a choice has been entered for all nine possible actions, required changes will be made. +

    +

    The possible actions are:

    -
    -

    Determine LON-CAPA Settings

    @@ -197,7 +211,7 @@ for it to function at all. Below is a l
    Each site or school which installs LON-CAPA needs its own domain. Here at MSU we use 'msu'. You should choose something short but meaningful. Restriction: One word, no hyphens, underscores, or - special characters.
    Domain names which include a departmental + special characters.
    Domain names which include a departmental abbreviation are not recommended as although LON-CAPA may start in a single department, other departments frequently join subsequently. For a domain name: 'msu' is a superior choice to 'msuphys' for example. @@ -228,31 +242,29 @@ for it to function at all. Below is a l To configure and install LON-CAPA, execute the following commands:

    -cd /root/loncapa-N.N     (N.N should correspond to a version number like '1.3')
    +cd /root/loncapa-X.Y.Z     (X.Y.Z should correspond to a version number like '2.10.0')
     ./UPDATE
     

    You will need to enter the LON-CAPA configuration information you determined -in the previous section. +in the previous section.

    -

    Creating a Domain Coordinator

    +

    6. Creating a Domain Coordinator

    You will need at least one user at your site who has the role of 'domain coordinator'. This user creates accounts for other users and grants them additional privileges. The make_domain_coordinator.pl script -invoked below requires that you enter the users password. The password will -show in plaintext as you type it. Feel free to use the "passwd username" -command to change it later. Replace USERNAME and DOMAIN with an -appropriate user name and your domain. +invoked below requires that you enter the user's password. +Feel free to use the "passwd username" command to change it later. +Replace USERNAME and DOMAIN with an appropriate user name and your domain.

    -cd /root/loncapa-N.N/loncom/build
    +cd /root/loncapa-X.Y.Z/loncom/build
     perl make_domain_coordinator.pl USERNAME DOMAIN
    -(WILL PROMPT FOR PASSWORD HERE)
     
    -

    Start/Restart Services

    +

    7. Start/Restart Services

    The LON-CAPA network services take a moment to start. Most misconfigurations will be apparent at this step. @@ -267,12 +279,14 @@ please make sure you followed the instru Installing LON-CAPA Dependencies. If you still have errors, please contact the MSU LON-CAPA group.

    -

    Log in to your LON-CAPA Machine

    + +

    8. Log in to your LON-CAPA Machine

    Point a web browser at your new machine and log in as the domain coordinator. Congratulations!

    +

    If things aren't working right

    If you've followed the steps above and the server doesn't start or you think