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Intro Welcome to Cornerstone Christian Academy. This guide was made to help you with your new CCA Account.Your account is tied to access the many systems in our infrastructure, including your CCA issued device. At CCA we use Google Workspace Educ...

Audience: IT Administrators / MSP Engineers Platform: Ubuntu 22.04 / 24.04 + Chromebook environments Overview DRC INSIGHT Central Office Services (COS) is a local content hosting system that allows testing devices to retrieve assessment content from a l...

Audience: IT Administrators / MSP Engineers Purpose: Explain what COS is, what it does, and how it fits into DRC INSIGHT testing. Overview DRC INSIGHT Central Office Services (COS) is a local content hosting system that allows testing devices to retriev...

Purpose: Install the COS Service Device on Ubuntu and verify the core services start correctly. Prerequisites Ubuntu 22.04 or 24.04 Sudo/root access Internet access Installer package from the DRC portal Step 1 - Update Ubuntu sudo apt update &...

Purpose: Complete registration and configure Content Management and Content Hosting correctly. Step 1 - Complete COS Registration Open the setup URL generated during installation and complete the COS registration in the DRC portal. Important:If registrati...

Purpose: Deploy the DRC INSIGHT app to Chromebooks and prepare them for testing with COS. Step 1 - Install DRC INSIGHT Deploy the DRC INSIGHT app through Google Admin Console. DRC states that ChromeOS installations are deployed using Google Admin. :cont...

Purpose: Confirm COS is functioning properly before live testing begins. Step 1 - Verify Services sudo /opt/CentralOffice/node \ /opt/CentralOffice/setup/node_modules/forever/bin/forever -p /opt/CentralOffice list Confirm all four are running: manag...

Purpose: Resolve the most common Linux COS installation, service, and Chromebook issues. Issue 1 - Installer Fails or Stops Early Symptoms: No usable COS services Installer exits quickly Lock file or temp errors Fix: sudo chmod 1777 /tmp sudo r...