created: 20150511071117085
creator: user
modified: 20160427200713801
modifier: user
tags: 
title: use usb stick with docker
type: text/vnd.tiddlywiki

```bash
rsync -aSHAXP --info=progress2 --delete /mnt /home/pi
```

; Full system backup with rsync
: https://wiki.archlinux.org/index.php/full_system_backup_with_rsync

```bash
mke2fs -T ext4,news -L docker -v /dev/sda
```

$ cat /etc/default/docker

```sh
# Docker Upstart and SysVinit configuration file

# Customize location of Docker binary (especially for development testing).
#DOCKER="/usr/local/bin/docker"

# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
DOCKER_OPTS="--storage-driver=overlay -D --graph=/mnt/usb/docker"
#DOCKER_OPTS="--storage-driver=overlay -D"

# If you need Docker to use an HTTP proxy, it can also be specified here.
export http_proxy="http://192.168.2.1:3128/"

# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"
export TMPDIR="/mnt/usb/docker-tmp"
```

```bash
mkdir -p /mnt/usb/docker /mnt/usb/docker-tmp
```
$ ls -lathr /dev/disk/by-uuid/

```
$ cat /etc/fstab

proc			/proc	proc	defaults	0	0
/dev/mmcblk0p1	/boot	vfat	defaults	0	0
UUID=16e0972d-6abf-4369-be0e-5fd2e10a070a	/mnt/usb	ext4	defaults,noatime	0	0
```