Computer Orientation

Introduction

Laptop computers are provided to everyone. They have been preconfigured with software and have access to the internet via DHCP.

User Accounts & Passwords

Laptops have the following user accounts with password "coffee":

• root - for system adminstrator
• thor - for Daylight administrator
• mug - for Daylight user
• oracle - for DayCart adminstrator

Daylight Software

Each laptop has Daylight software v4.83 is installed at /usr/local/daylight and the Daylight environment is setup upon login with a command like the following:

$ . /usr/local/daylight/v483/thorhome/configure.daylight.sh -h ~thor -v v483

You can verify that the environment is setup by checking the value of DY_HOME (/usr/local/daylight) or DY_ROOT ($DY_HOME/v483). A Daylight license for the duration of Summer School is located at $DY_HOME/dy_license.dat. Software users & blank passwords for users thor are set in $DY_ROOT/etc/dy_passwords.dat. Daylight services are configured in /etc/services. In summary, the following items are configured:

• environment - DY_HOME is /usr/local/daylight, DY_ROOT is $DY_HOME/v483
• licensing - $DY_HOME/dy_license.dat
• passwords - $DY_ROOT/etc/dy_passwords.dat
• services - /etc/services

The Apache webserver is installed and configured with the following items in /etc/http/conf/httpd.conf:

Alias /dayhtml/ /usr/local/daylight/v483/dayhtml/
Alias /dayicon/ /usr/local/daylight/v483/dayhtml/icons/

ScriptAlias /daycgi /usr/local/daylight/v483/daycgi/
ScriptAlias /dayhttp /usr/local/daylight/v483/dayhttp/

<Directory "/usr/local/daylight/v483/dayhttp/">
SetEnv LD_LIBRARY_PATH /usr/local/daylight/v483/lib
SetEnv DY_LICENSEDATA /usr/local/daylight/v483/dy_license.dat
Options Indexes MultiViews
AllowOverride None
Order allow,deny
Allow form all
</Directory>

DayCGI is configured and the environment script that runs each time a CGI is uexecuted is $DY_ROOT/daycgi/dcgi_env.sh. The dayhttp Directory settings require Apache v2.0 or higher.

Installed Software & Files

The GCC compiler, and Perl and DayPerl scripting languages are installed. Files for course materials are available via ftp://mug@mugserver.

Introduction Exercises