some cleanup and such

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+# Docker Volume Backup
+
+Identify volume:
+
+    $ docker inspect my_container_name | grep -C 1 -i Source
+
+Backup the directory to a tar file:
+
+    $ docker run –rm –volumes-from my_container_name -v $(pwd):/backup ubuntu tar cvf /backup/backup_db.tar /var/lib/mysql
+
+Restore the volume:
+
+    $ docker run –rm –volumes-from my_container_name -v $(pwd):/backup ubuntu bash -c "cd /var/lib/mysql && tar xvf /backup/backup_db.tar –strip 1"
+