Upgrade

Prerequisite

1. Your system MUST have installed DeviceOn/ePaper software.

2. Upgrade version MUST be higher than the installed version.

Steps to Upgrade

Step 1: Open a terminal

The installer runs in CLI (Command Line Interface) mode. As such, open a terminal preferable for you.

Step 2: Copy the installer to the target host

Use the way you like to copy the installer to the target host.

Step 3: Unwrap the files

In the terminal, run “tar -xvf DeviceOnEPDInstaller_u2004_3.x.x.tar.gz” to unwrap the install files under Ubuntu Linux.

tar -xvf DeviceOnEPDInstaller_u2004_3.x.x.tar.gz

Step 4: Go into the directory

In the terminal, run “cd DeviceOnEPDInstaller_3.x.x” to go to the directory.

cd DeviceOnEPDInstaller_3.x.x

Step 5: Set the installer as executable

In the terminal, run “sudo chmod +x DeviceOn_Server_Ubuntu 20.04_x64_3.x.x.run” so that the installer as an executable file under Ubuntu Linux.

sudo chmod +x EPD_Server_Ubuntu-20.04_x64_3.x.x.run

Step 6: Run the installer

You may need to run "sudo ./EPD_Server_Ubuntu-20.04_x64_3.x.x.run" to acquire higher privileges if you were logged in as a normal user.

sudo ./EPD_Server_Ubuntu-20.04_x64_3.x.x.run

Step 6 (Optional): Run the installer offline

You may need to run "sudo ./run_install.sh" to acquire higher privileges if you were logged in as a normal user.

sudo ./run_install.sh -o EPD-Dependency-Ubuntu-20.04.iso

Step 7: Answer some questions

This installer will guide you through installing DeviceOn/ePaper onto your local machine. All you need to do throughout the installation process is answer some questions as prompted.

1. Please read the End-User License Agreement carefully. Press any key when you have finished reading and agree to the terms to continue with the installation.

2. Enter "yes" to accept the license agreement.

1. Check the running mode (should run as upgrade mode) and system dependencies...

1. After upgrading the DeviceOn/ePaper, this installer will continue to install EPD Hub, EPD Controller, Service Monitor, and other system settings such as Firewall. Please wait in patience until the overall processes are done. Then, you will see a message like below.