Updating Replicated

To update your CircleCI Server installation, see our Upgrade Guide. This guide only runs through the steps required to update Replicated, not the CircleCI application.

Prerequisites

Your installation is Ubuntu 14.04 or 16.04 based.
Your installation is not airgapped and you can access the internet from it.
We will be updating to Replicated v2.38, but first we need to check you are running at least v2.10.3 on your Services machine. To check this, SSH into the Services machine and run the following:
```
replicated --version
```
If you are running a version of Replicated pre 2.10.3 please reach out to support@circleci.com.

Preparations

Remember to take a snapshot (described here) before starting the Replicated update process

Stop the CircleCI application by clicking the Stop Now button on the Dashboard. Application shutdown takes a few minutes. Wait for the status to become “Stopped” before continuing.

Figure 1. Stop the CircleCI Application

Alternatively you can SSH into the services machine and stop the CircleCI application from the command line:

replicatedctl app stop

You can check the status using the followng:

replicatedctl app status inspect

Example Output:

[
    {
        "AppID": "edd9471be0bc4ea04dfca94718ddf621",
        "Sequence": 2439,
        "State": "stopped",
        "DesiredState": "stopped",
        "Error": "",
        "IsCancellable": false,
        "IsTransitioning": false,
        "LastModifiedAt": "2018-10-23T22:00:21.314987894Z"
    }
]

For the replicated update to succeed, it is necessary to update docker to the recommended version, 17.12.1. Check which version you are running with docker version and if you need to update, follow these steps:
```
sudo apt-get install docker-ce=17.12.1~ce-0~ubuntu
```
Pin the Docker version using the following command:
```
sudo apt-mark hold docker-ce
```

Perform Update

Perform the Replicated update by executing the update script as follows:

curl -sSL "https://get.replicated.com/docker?replicated_tag=2.38.6" | sudo bash

Double-check your replicated and docker versions:

replicatedctl version    # 2.38.6
docker -v                # 17.12.1

Restart the app with

replicatedctl app start

The application will take a few minutes to spin up. You can check the progress in the administration dashboard or by executing;

replicatedctl app status inspect

Example output:

[
    {
        "AppID": "edd9471be0bc4ea04dfca94718ddf621",
        "Sequence": 2439,
        "State": "started",
        "DesiredState": "started",
        "Error": "",
        "IsCancellable": true,
        "IsTransitioning": true,
        "LastModifiedAt": "2018-10-23T22:04:05.00374451Z"
    }
]

Help make this document better

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