Fix tar

docker_volume_backup.sh

@@ -20,7 +20,7 @@ echo "[BEGIN] Backup docker volume" >> $LOG_FILE
 volumes=( `docker volume ls | awk '{print $2}' | tail -n +2` )
 
 for x in "${volumes[@]}"; do
-  cmd="docker run --rm -it -v $x:/src -v $SAVE_DIR:/backup alpine tar --ignore-failed-read -jpcf /backup/$x_$DATE.tar.bz2 /src"
+  cmd="docker run --rm -it -v $x:/src -v $SAVE_DIR:/backup ubuntu tar --ignore-failed-read -jpcf /backup/${x}_${DATE}.tar.bz2 /src"
   echo $cmd >> $LOG_FILE
   eval $cmd
 done