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#!/bin/bash

echo "Post-install recipe executed at `date`." > /tmp/post-install.out

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#!/bin/bash

echo "Pre-install recipe executed at `date`." > /tmp/pre-install.out

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# Save below scripts as stopeth.sh

#!/bin/sh
ip link set eth0 down
sleep 60
ip link set eth0 up

# Execute the script
$ sudo nohup ./stopeth.sh &

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set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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#!/bin/bash

AMBARI_USER='admin'
AMBARI_PASSWORD='admin'
AMBARI_HOST='localhost'
CLUSTER_NAME='mitate'
MOVE_FROM='old-host.mitate.com'
MOVE_TO='new-host.mitate.com'

# Tell to ambari we want to install this component on new_host

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# -*- mode: ruby -*-
# vi: set ft=ruby :

$script = <<SCRIPT
sudo yum -y install ntp
sudo chkconfig ntpd on
sudo /etc/init.d/ntpd start
sudo chkconfig iptables off
sudo /etc/init.d/iptables stop
sudo setenforce 0

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# Pretty print HDFS usage

include Java
import org.apache.hadoop.util.StringUtils
path = ARGV[0]
dus = %x[$HADOOP_HOME/bin/hadoop fs -dus #{path}]
splited = dus.split
byteDesc = StringUtils.byteDesc(splited[0].to_i)
puts splited[1] + "\t" + byteDesc