mirror of https://github.com/docker/compose.git
docs: Add Linux install instructions
Signed-off-by: Christopher Crone <christopher.crone@docker.com>
This commit is contained in:
Christopher Crone
parent
d6084e1b6e
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#!/bin/sh
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# Script to install the Docker ACI integration CLI on Ubuntu (Beta).
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set -eu
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CLI_VERSION=${CLI_VERSION:-0.1.4}
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DOWNLOAD_URL="${DOWNLOAD_URL:-https://github.com/docker/aci-integration-beta/releases/download/v${CLI_VERSION}/docker-linux-amd64}"
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LINK_NAME="${LINK_NAME:-com.docker.cli}"
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DRY_RUN="${DRY_RUN:-}"
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desktop_install_url="https://www.docker.com/products/docker-desktop"
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engine_install_url="https://docs.docker.com/get-docker/"
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link_path="/usr/local/bin/${LINK_NAME}"
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existing_cli_path="/usr/bin/docker"
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manual_install() {
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echo "Please follow the manual install instructions"
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}
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is_new_cli() {
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azure_version_str="$($1 version 2>/dev/null | grep 'Azure' || true)"
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if [ -n "$azure_version_str" ]; then
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echo 1
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else
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echo 0
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fi
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}
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echo "Running checks..."
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# Check OS
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if [ "$(command -v uname)" ]; then
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case "$(uname -s)" in
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"Linux")
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# Check for Ubuntu/Debian based distro
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if ! [ -f "/etc/lsb-release" ]; then
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echo "Warning: This script has been tested on Ubuntu and may not work on other distributions"
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fi
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# Pass
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;;
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"Darwin")
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echo "Error: Script not needed on macOS, please install Docker Desktop Edge: $desktop_install_url"
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exit 1
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;;
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"*")
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echo "Error: Unsupported OS, please follow manual instructions"
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exit 1
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;;
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esac
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else
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# Assume Windows
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echo "Error: Script not needed on Windows, please install Docker Desktop Edge: $desktop_install_url"
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exit 1
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fi
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user="$(id -un 2>/dev/null || true)"
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sh_c='sh -c'
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sudo_sh_c='sh -c'
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if [ "$user" != 'root' ]; then
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if [ "$(command -v sudo)" ]; then
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sudo_sh_c='sudo -E sh -c'
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elif [ "$(command -v su)" ]; then
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sudo_sh_c='su -c'
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else
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echo "Error: This installer needs the ability to run commands as root."
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exit 1
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fi
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fi
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if [ -n "$DRY_RUN" ]; then
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sh_c="echo $sh_c"
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sudo_sh_c="echo $sudo_sh_c"
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fi
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# Check if Docker Engine is installed
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if ! [ "$(command -v docker)" ]; then
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echo "Error: Docker Engine not found"
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echo "You need to install Docker first: $engine_install_url"
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exit 1
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fi
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# Check if the ACI CLI is already installed
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if [ $(is_new_cli "docker") -eq 1 ]; then
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echo "You already have the Docker ACI Integration CLI installed"
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exit 1
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fi
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# Check if this script has already been run
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if [ -f "${link_path}" ]; then
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echo "Error: This script appears to have been run as ${link_path} exists"
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echo "Please uninstall and rerun this script or follow the manual instructions"
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exit 1
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fi
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# Check current Docker CLI is installed to /usr/bin/
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if ! [ -f "${existing_cli_path}" ]; then
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echo "Error: This script only works if the Docker CLI is installed to /usr/bin/"
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manual_install
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exit 1
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fi
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# Check that PATH contains /usr/bin and /usr/local/bin and that the latter is
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# higher priority
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path_directories=$(echo "${PATH}" | tr ":" "\n")
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usr_bin_pos=-1
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usr_local_bin_pos=-1
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count=0
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for d in ${path_directories}; do
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if [ "${d}" = '/usr/bin' ]; then
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usr_bin_pos=$count
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fi
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if [ "${d}" = '/usr/local/bin' ]; then
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usr_local_bin_pos=$count
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fi
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count=$((count + 1))
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done
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if [ $usr_bin_pos -eq -1 ]; then
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echo "Error: /usr/bin not found in PATH"
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manual_install
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exit 1
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elif [ $usr_local_bin_pos -eq -1 ]; then
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echo "Error: /usr/local/bin not found in PATH"
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manual_install
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exit 1
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elif ! [ $usr_local_bin_pos -lt $usr_bin_pos ]; then
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echo "Error: /usr/local/bin is not ordered higher than /usr/bin in your PATH"
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manual_install
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exit 1
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fi
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download_cmd='curl -fsSLo'
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# Check that system has curl installed
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if ! [ "$(command -v curl)" ]; then
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echo "Error: curl not found"
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echo "Please install curl"
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exit 1
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fi
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echo "Checks passed!"
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echo "Downloading CLI..."
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# Download CLI to temporary directory
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download_dir=$($sh_c 'mktemp -d')
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$sh_c "${download_cmd} ${download_dir}/docker-aci ${DOWNLOAD_URL}"
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echo "Downloaded CLI!"
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echo "Installing CLI..."
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# Link existing Docker CLI
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$sudo_sh_c "ln -s ${existing_cli_path} ${link_path}"
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# Install downloaded CLI
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$sudo_sh_c "install -m 775 ${download_dir}/docker-aci /usr/local/bin/docker"
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# Exit on dry run
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if [ -n "$DRY_RUN" ]; then
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exit 0
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fi
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# Clear cache
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cleared_cache=1
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if [ "$(command hash)" ]; then
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$sh_c "hash -r"
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elif [ "$(command rehash)" ]; then
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$sh_c "rehash"
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else
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cleared_cache=
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echo "Warning: Unable to clear command cache"
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fi
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if [ -n "$cleared_cache" ]; then
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# Check ACI CLI is working
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if [ $(is_new_cli "docker") -eq 0 ]; then
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echo "Error: Docker ACI Integration CLI installation error"
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exit 1
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fi
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echo "Done!"
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else
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echo "Please log out and in again to use the Docker ACI integration CLI"
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fi
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@ -0,0 +1,97 @@
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# Installing the Docker ACI Integration CLI on Linux (Beta)
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This CLI adds support for running and managing containers on Azure Container
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Instances (ACI).
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> :warning: **This CLI is in beta**: The installation process, commands, and
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> flags will change in future releases.
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## Prerequisites
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* [Docker 19.03 or later](https://docs.docker.com/get-docker/)
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## Install script
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You can install the new CLI using the install script:
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```console
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curl -L https://github.com/docker/aci-integration-beta/releases/download/v0.1.4/install.sh | sh
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```
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## Manual install
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You can download the Docker ACI Integration CLI using the following command:
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```console
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curl -Lo docker-aci https://github.com/docker/aci-integration-beta/releases/download/v0.1.4/docker-linux-amd64
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```
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You will then need to make it executable:
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```console
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chmod +x docker-aci
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```
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To enable using the local Docker Engine and to use existing Docker contexts, you
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will need to have the existing Docker CLI as `com.docker.cli` somewhere in your
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`PATH`. You can do this by creating a symbolic link from the existing Docker
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CLI.
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```console
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ln -s /path/to/existing/docker /directory/in/PATH/com.docker.cli
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```
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> **Note**: The `PATH` environment variable is a colon separated list of
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> directories with priority from left to right. You can view it using
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> `echo $PATH`. You can find the path to the existing Docker CLI using
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> `which docker`. You may need root permissions to make this link.
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On a fresh install of Ubuntu 20.04 with Docker Engine
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[already installed](https://docs.docker.com/engine/install/ubuntu/):
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```console
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$ echo $PATH
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/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
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$ which docker
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/usr/bin/docker
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$ sudo ln -s /usr/bin/docker /usr/local/bin/com.docker.cli
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```
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You can verify that this is working by checking that the new CLI works with the
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default context:
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```console
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$ ./docker-aci --context default ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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$ echo $?
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0
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```
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To make this CLI with ACI integration your default Docker CLI, you must move it
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to a directory in your `PATH` with higher priority than the existing Docker CLI.
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Again on a fresh Ubuntu 20.04:
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```console
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$ which docker
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/usr/bin/docker
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$ echo $PATH
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/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
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$ sudo mv docker-aci /usr/local/bin/docker
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$ which docker
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/usr/local/bin/docker
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$ docker version
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...
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Azure integration 0.1.4
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...
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```
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## Uninstall
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To remove this CLI, you need to remove the binary you downloaded and
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`com.docker.cli` from your `PATH`. If you installed using the script, this can
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be done as follows:
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```console
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sudo rm /usr/local/bin/docker /usr/local/bin/com.docker.cli
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```
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