Upgrade the Linux Collector

To upgrade the Linux Collector:

1. Stop the Collector by following the instructions here.
2. From https://app.overops.com/app/download?t=tgz, download the Collector installation TAR file:
   wget --content-disposition "https://app.overops.com/app/download?t=tgz"
3. Extract the files to your working folder:
   sudo tar -xvf <downloaded.tar.gz> -C /opt
4. Start the Collector by following the instructions here. Remember to watch the logs for any warnings or errors.
5. Verify your upgrade using these instructions.