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# prequisities 

sudo apt-get update && apt-get upgrade
sudo lsmod | grep br_netfilter
sudo modprobe br_netfilter
cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
br_netfilter
EOF

cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf

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ODO and Devfile, Lets take an example https://github.com/odo-devfiles/registry/blob/master/devfiles/nodejs/devfile.yaml

you can read all about devfile here https://docs.devfile.io/devfile/user-guide/index.html

so currently odo mainly uses following fields from devfile

• Component
• Commands
• StarterProjects
• Projects

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---
schemaVersion: 2.0.0
metadata:
  name: java-spring-boot
starterProjects:
  - name: springbootproject
    git:
      remotes:
        origin: "https://github.com/odo-devfiles/springboot-ex.git"
components:

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schemaVersion: 2.0.0
metadata:
  name: nodejs
  version: 1.0.0
  alpha.build-dockerfile: "https://raw.githubusercontent.com/odo-devfiles/registry/master/devfiles/nodejs/build/Dockerfile"
  alpha.deployment-manifest: "https://raw.githubusercontent.com/odo-devfiles/registry/master/devfiles/nodejs/deploy/deployment-manifest.yaml"
projects:
  - name: nodejs-starter
    git:
      location: "https://github.com/odo-devfiles/nodejs-ex.git"

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1. Checkout the release branch

git fetch upstream
git checkout -b release-1.12 upstream/release-1.12

2. Sign tag and push to upstream repo. You will need your GPG pass phrase. Check if you have a key using gpg --list-secret-keys --keyid-format LONG

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How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by: