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Backing up a raspberrypi or emoncms.org account

Backing up your emoncms.org account (or other remote server account)

(Optional) To view your data on the backup computer install emoncms on your backup computer following the guide here:

http://emoncms.org/site/docs/installlinux

Create an account and note down your mysql credentials.

  1. Download the usefulscripts repository: https://github.com/emoncms/usefulscripts

  2. Open Backup/backup.php in a text editor.

  • Set $remote_server and $remote_apikey to correspond to the remote emoncms account you wish to download from.
  • Set $link_to_local_emoncms to true if you wish to access your data within a local installation of emoncms. Set $local_emoncms_location and $local_emoncms_userid to link to your local emoncms installation.
  • Set $link_to_local_emoncms to false if you just want to download the data without linking to a local emoncms install (non-mysql data only). Set $dir to the directory on your computer you wish to download the data. Manually create the folders: phpfina, phpfiwa, phptimeseries, phptimestore within this folder.

  1. Run the backup script from terminal with:

    php backup.php

Tested with emoncms.org (v8.0.9: 4 July 2014), and local emoncms v8.2.8

That's it, it should now work through all your feeds. When you first run this script it can take a long time. When you run this script again it will only download the most recent data and so will complete much faster.

Backing up a full emoncms installation (raspberrypi install or your own server)

Start by making a backup of your emoncms data and emoncms application folder.

To export a backup of your emoncms mysql data:

mysqldump -u root -p emoncms > emoncms_backup.sql

Or if you have a lot of feed data stored in mysql, you can export the meta data only with:

mysqldump -u root -p emoncms users input feeds dashboard multigraph > emoncms_backup.sql

You can make a direct directory copy of the /var/lib/mysql/emoncms folder if the mysql dump is too large.

Make a backup copy of the feed data folders on your system, the default locations on linux are:

/var/lib/phpfiwa
/var/lib/phpfina
/var/lib/phptimeseries
/var/lib/timestore

Important Make sure you disable oem_gateway/emonhub or raspberrypi_run and any posting to the http api's (stop apache) before copying the data files so that when you make the copy the data is in a state where its not being written to.

Make a copy of the emoncms application folder usually found under /var/www/emoncms