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I am trying to upgrade docker-compose since with the current version I get some error when running a .yml file. Here my current situation:

$ which docker
/usr/bin/docker
$ which docker compose
/usr/bin/docker-compose

$ ls -al | grep docker
-rwxr-xr-x  1 root   root    13511128 Feb 28 09:02 docker
-rwxr-xr-x  1 root   root         336 Dez 11  2015 docker-compose
-rwxr-xr-x  1 root   root    11314960 Feb 28 09:01 docker-containerd
-rwxr-xr-x  1 root   root    10464424 Feb 28 09:01 docker-containerd-ctr
-rwxr-xr-x  1 root   root     1976648 Feb 28 09:01 docker-containerd-shim
-rwxr-xr-x  1 root   root    39473368 Feb 28 09:03 dockerd
-rwxr-xr-x  1 root   root      862296 Feb 28 09:01 docker-init
-rwxr-xr-x  1 root   root     2573840 Feb 28 09:01 docker-proxy
-rwxr-xr-x  1 root   root     8195464 Feb 28 09:01 docker-runc

When tryint to update docker-compose from https://github.com/docker/compose/releases. The output of the command:

sudo curl -L https://github.com/docker/compose/releases/download/1.11.2/docker-compose-`uname -s`-`uname -m` > /usr/bin/docker-compose

gives me:

bash: /usr/bin/docker-compose: Permission denied

I am also sudoing the command. Why is that? thanks

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The source of the problem is that the sudo will be execute only on the curl part of the command, and not on the > part of the commeand.

You can cause sudo to run on both parts of the command in the following way:

sudo bash -c "curl -L https://github.com/docker/compose/releases/download/1.11.2/docker-compose-`uname -s`-`uname -m` > /usr/bin/docker-compose"

The simple solution might be:

  1. Download the file

    wget https://github.com/docker/compose/releases/download/1.11.2/docker-compose-uname -s-uname -m

  2. use sudo to place it in the right location

    sudo mv docker-compose-`uname -s`-`uname -m` /usr/bin/docker-compose

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