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root@791f93266eff:~# docker -d
2015/01/14 05:46:09 docker daemon: 1.1.2 d84a070; execdriver: native; graphdriver: 
[76676278] +job serveapi(unix:///var/run/docker.sock)
[76676278] +job initserver()
[76676278.initserver()] Creating server
[error] attach_loopback.go:42 There are no more loopback devices available.
loopback mounting failed
[76676278] -job initserver() = ERR (1)
2015/01/14 05:46:09 loopback mounting failed

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$ docker run --help

Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

Run a command in a new container

  -a, --attach=[]            Attach to STDIN, STDOUT or STDERR.
  --add-host=[]              Add a custom host-to-IP mapping (host:ip)
  -c, --cpu-shares=0         CPU shares (relative weight)
  --cap-add=[]               Add Linux capabilities

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/var/log# cat docker.log 
2015/01/05 06:18:00 docker daemon: 1.3.3 d344625; execdriver: native; graphdriver: 
[526f5403] +job serveapi(unix:///var/run/docker.sock)
[526f5403] +job init_networkdriver()
[info] Listening for HTTP on unix (/var/run/docker.sock)
[526f5403] -job init_networkdriver() = OK (0)
2015/01/05 06:18:00 WARNING: Your kernel does not support cgroup swap limit.
2015/01/05 06:18:00 Error loading docker apparmor profile: fork/exec /sbin/apparmor_parser: no such file or directory ()
2015/01/05 06:21:08 docker daemon: 1.3.3 d344625; execdriver: native; graphdriver: 
[d82e442a] +job serveapi(tcp://127.0.0.1:4243, unix:///var/run/docker.sock)

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# docker -d
2015/01/05 06:50:58 docker daemon: 1.3.3 d344625; execdriver: native; graphdriver: 
[b2f522bb] +job serveapi(unix:///var/run/docker.sock)
[b2f522bb] +job init_networkdriver()
[info] Listening for HTTP on unix (/var/run/docker.sock)
[b2f522bb] -job init_networkdriver() = OK (0)
2015/01/05 06:50:58 WARNING: Your kernel does not support cgroup swap limit.
[info] Loading containers: 
[info] : done.
[b2f522bb] +job acceptconnections()

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# docker -d
2015/01/05 06:47:24 docker daemon: 1.3.3 d344625; execdriver: native; graphdriver: 
[ed94efa8] +job serveapi(unix:///var/run/docker.sock)
2015/01/05 06:47:24 pid file found, ensure docker is not running or delete /var/run/docker.pid

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# apt-get install apparmor
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libapparmor-perl libapparmor1
Suggested packages:
  apparmor-profiles apparmor-docs apparmor-utils
The following NEW packages will be installed:
  apparmor libapparmor-perl libapparmor1

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package main

import "fmt"

type myInt int

const unTypedC = 20
const typedC int = 30

func main() {

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package main

import "log"

func alterValue(val interface{}) {
	INCR := 10

	switch i := val.(type) {
	case nil:
		log.Println("Nil value")

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package main

import "log"

type EventLogger interface {
	Log() int
}

type EventA struct {
	Id          int

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package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"os"
	"sync"
)