daniel-garcia

service docker stop # wait for all lxc-start processes to stop
lsblk # look for dm devices that are mounted)
umount -l /var/lib/docker/devicemapper/mnt/*
lsblk # (look for dm devices still registered with the kernel)
for x in /dev/mapper/docker-*; do dmsetup remove $x; done
lsblk # (should be down to just the physical devices on the host)
service docker start

daniel-garcia

#!/bin/bash

interval=1

echo "posting loadavg at $interval second(s) interval"
while :
do
        now=`date +%s`
        value=`cat /proc/loadavg | cut -d ' ' -f 1`
        data="{\"control\":{\"type\":null,\"value\":null},\"metrics\":[{\"metric\":\"loadavg\",\"timestamp\":$now,\"value\":$value,\"tags\":{\"name\":\"value\"}}]}"

daniel-garcia

#!/usr/bin/env bash

set -e 

docker pull ubuntu:latest

touch somefile.txt
WD=`pwd`

echo "about to run docker image in the background"

daniel-garcia

package main

import (
	"log"
	"os"
	"os/exec"
	"sync"
)

daniel-garcia

package main

import (
	"net"
	"strings"
)

func main() {

	addr, err := net.ResolveUDPAddr("udp4", "8.8.8.8:53")

daniel-garcia

go list -f '{{join .Deps "\n"}}' |  xargs go list -f '{{if not .Standard}}{{.ImportPath}}{{end}}'

daniel-garcia

package main

import (
	"log"
	"os"
	"os/exec"
	"syscall"
	"time"
)

daniel-garcia

$ go run client.go 
2012/03/28 22:30:21 client: connected to:  127.0.0.1:8000
Client: Server public key is:
[48 129 159 48 13 6 9 42 134 72 134 247 13 1 1 1 5 0 3 129 141 0 48 129 137 2 129 129 0 188 73 207 11 137 150 106 118 45 27 12 18 76 183 252 31 22 193 109 43 118 130 188 244 197 136 26 55 239 51 225 67 171 20 87 35 107 190 16 158 181 84 225 159 112 70 131 173 136 181 130 151 156 4 142 141 218 100 116 219 228 211 136 155 179 220 50 21 181 134 211 72 22 38 226 51 170 165 39 65 231 3 15 26 54 193 142 242 28 66 96 88 138 237 217 65 144 89 231 177 179 200 116 30 45 148 174 56 57 244 29 17 8 22 86 54 215 14 207 55 223 164 216 184 21 46 29 233 2 3 1 0 1] <nil>
2012/03/28 22:30:21 client: handshake:  true
2012/03/28 22:30:21 client: mutual:  true
2012/03/28 22:30:21 client: wrote "Hello\n" (6 bytes)
2012/03/28 22:30:21 client: read "Hello\n" (6 bytes)
2012/03/28 22:30:21 client: exiting
$ 

daniel-garcia

# Zenoss 4.x development environment

FROM centos
MAINTAINER Daniel Garcia <dgarcia@zenoss.com>

RUN yum install -y which

RUN echo "10.175.210.69 cmyum.zenoss.loc" >> /etc/hosts
RUN yum install -y http://cmyum.zenoss.loc/yum/zenossdeps-private-4.2.x-1.el6.noarch.rpm
RUN for i in /etc/yum.repos.d/CentOS-*.repo; do sed -i 's/mirrorlist/#mirrorlist/g' $i; done

daniel-garcia

package main

import (
    "io"
    "log"
    "net"
    "os"
)

func main() {