Create WeBWorK Amazon Machine Image (AMI) File

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Instructions for creating a WeBWorK Amazon Machine Image (AMI)

Log into EC2 Dashboard

Locate the current Ubuntu LTS AMI in http://cloud-images.ubuntu.com/locator/ec2/ and search us-east-2 and click on link

Choose an Instance Type e.g. T4g small

ADD Storage

15 GM storage

Also make sure that Delete on Termination is unchecked.


Launch

Follow direction in https://webwork.maa.org/wiki/WeBWorK_2.16_Ubuntu_Server_20.04_LTS_Amazon_Machine_Image about adding security groups, etc

Security groups have to be setup from the AMS dashboard

add the wwadmin user

sudo aduser wwadmin


Install WW following https://webwork.maa.org/wiki/Installation_Manual_for_2.16_on_Ubuntu

Before configuring WeBWork, set the server time zone

sudo timedatectl set-timezone America/New_York

Configure WeBWorK, set URL to ip address in site.conf for testing. Set to aws.apizer.org and use Google domains to forward to ip address. Set up HW sets with due dates, class lists, etc the same way as in current AMI's or the current virtual machine image

Create the AMI see https://docs.aws.amazon.com/toolkit-for-visual-studio/latest/user-guide/tkv-create-ami-from-instance.html

Follow the standard instructions

site.conf and localoverrides.conf

  1. use the ip address (e.g. 192.168.201.128) everywhere. Do not use localhost
  2. set password for webworkWrite (wwadmin)

set up MyTestCourse

  1. add practice users and jsmith/jsmith to myTestCourse
  2. add profa
  3. add the standard sets to myTestCourse

Implement all options A-E

Clean up the system

  • rm apache's error.log's in /var/log/apache2/
  • rm apache's access.log's in /var/log/apache2/
  • rm webwork's timing.log's in /opt/webwork/webwork2/logs/
  • Remove unneeded backup's in /opt/webwork/webwork2/conf/
  • Remove contents of /var/www/html/wwtmp/

wwadmin@wwserver:~$ du -sh /var/cache/apt/archives/ du: cannot read directory '/var/cache/apt/archives/partial': Permission denied 71M /var/cache/apt/archives/ wwadmin@wwserver:~$ sudo apt clean [sudo] password for wwadmin: wwadmin@wwserver:~$ du -sh /var/cache/apt/archives/ du: cannot read directory '/var/cache/apt/archives/partial': Permission denied 44K /var/cache/apt/archives/ 


sudo apt autoremove --purge

Remove openssh-server

Keeeo openssh 

sudo apt remove openssh-sftp-server
sudo apt autoremove

Reset CPU's amd Memory

Set the memory to 4 GB and processors to 2

Export to an .ova file

Workstation Player

Find the path to your VM.

Open a command prompt as administrator 

cd E:\Programs\VMware\OVFTool\

Enter 

ovftool “C:\the path to your VM\your VMname.vmx”  c:\new directory\name.ova
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