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title Installing Photon OS on Dell Edge Gateway 300X
weight 1

You can install Photon OS 3.0 on Dell Gateway 300X. You can download Photon OS as an ISO file and install it.

Prerequisites

  1. Verify that you have the following resources:
    • Dell Edge Gateway 300x.
    • USB pen drive. Format the pen drive with FAT32 with at least 8 GB of space.
  2. Download the Photon OS ISO image from Download web page.

Installing the ISO Image for Photon OS

  1. Mount the ISO image.

    For example, run the following command on macOS:

    hdiutil mount photon-3.0-ec12f2c.iso

    Use a similar command in other operating systems.

  2. Copy the contents of the ISO image to a writable directory so that you can edit files. For example, run the following commands on macOS.

mkdir -p /tmp/photonUsb

cp /Volumes/PHOTON_<timestamp>/* /tmp/photonUsb/
```

where, `/Volumes/PHOTON_<timestamp>` is the directory where the ISO is mounted with the command in the step above.

  1. Edit the grub.cfg file to use the kickstart config file:

    cd /tmp/photonUsb

    Add the below parameters to the linux cmd line in boot/grub2/grub.cfg

    linux /isolinux/vmlinuz root=/dev/ram0 loglevel=3 photon.media=UUID=$photondisk ks=cdrom:/isolinux/sample_ks.cfg console=ttyS0,115200n8

  2. Edit the isolinux/sample_ks.cfg as follows:

    • Change "disk": "/dev/sda”, to "disk": "/dev/mmcblk0",
    • Change "echo \"Hello World\" > /etc/postinstall" to "sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config"

  3. Format the pen drive with FAT-32 and copy all the contents of /tmp/photonUsb to the pen drive.

  4. Create a UsbInvocationScript.txt file in the root of the pen drive with below content:

usb_disable_secure_boot noreset; usb_one_time_boot usb nolog;


1. Insert the pen drive in the Dell Gateway 300X and power on the gateway. 
    
    Photon OS installs automatically.

1. After the installation is complete, insert a network cable into the ethernet port and find the IP address corresponding to the MAC address of the Dell Gateway 3000X ethernet port through the DHCP Server or a network analyzer. The MAC address is available on the Dell Gateway 3000X.

1. You can then use `ssh` to access the gateway with the above IP address.