Update a Security Cloud Control-Standard SDC Host

This task updates Docker on your SDC host to ensure continued compatibility and security patching for your Secure Device Connector deployment.

The Secure Device Connector (SDC) has been installed on CentOS 7 virtual machines up to now. However, as CentOS has reached its end-of-life and is no longer supported by Firewall in Security Cloud Control, we recommend migrating all SDCs from CentOS 7 to an Ubuntu virtual machine.

For more information, see Migrate an On-Premises Secure Device Connector and Secure Event Connector from a CentOS 7 Virtual Machine to an Ubuntu Virtual Machine.

This procedure applies if you are still using CentOS.
Use these instructions if you deployed an SDC using the Security Cloud Control image.

Procedure

Step 1

Connect to your SDC host using SSH or the hypervisor console.

Step 2

Check the version of your Docker service by running this command:

docker version

Step 3

If you are running one of the latest virtual machines (VMs) you should see output like this:

 > docker version
Client:
     Version: 18.06.1-ce
     API version: 1.38
     Go version: go1.10.3
     Git commit: e68fc7a
     Built: Tue Aug 21 17:23:03 2018
     OS/Arch: linux/amd64
     Experimental: false

It's possible you may see an older version here.

Step 4

Run these commands to update Docker and restart the service:

> sudo yum update docker-ce
> sudo service docker restart

Note	There will be a brief connectivity outage between Security Cloud Control and your devices while the docker service restarts.

Step 5

Run the docker version command again.

You should see this output:

> docker version
Client:
    Version: 18.09.2
    API version: 1.39
    Go version: go1.10.6
    Git commit: 6247962
    Built: Sun Feb XX 04:13:27 2019
    OS/Arch: linux/amd64
    Experimental: false

You have successfully upgraded to the latest, patched version of Docker on your SDC host.