ashrithr

git clone https://<username>@github.com/xxx/yyy.git

ashrithr

# From a fresh install of squeeze
apt-get install ruby rubygems # Need ruby to use fpm
gem1.8 install fpm --no-ri --no-rdoc

apt-get install build-essential openssl libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev ncurses-dev libyaml-dev

wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz
tar -zxvf ruby-1.9.3-p125.tar.gz
cd ruby-1.9.3-p125
rm -rf /tmp/ruby193

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rsync -rav -e 'ssh -i /Users/ashrith/.ssh/aws.pem' --exclude=".git/*" ${SOURCE_PATH} root@${HOST}:${PATH}

# Copying to remote server with out root user:
# for this command to work make sure the 'Defaults requiretty' is commented on the remote server in '/etc/sudoers' file

rsync -rav -e 'ssh -i /root/to/key' --rsync-path="sudo rsync" /path/to/copy/* rsyncuser@${HOST}:/dest/path/

ashrithr

Installing Graphite:

Graphite does two things:

1. Store numeric time-series data
2. Render graphs of this data on demand

What Graphite does not do is collect data for you, however there are some tools out there that know

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#!/usr/bin/env puppet apply --verbose

file { "/tmp/local":
  content => "Test from puppet",
  ensure  => file
}

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# Shard server - in replica set 'mongoShard1'
node 'shardsvr1.cw.com' {
  include mongodb
  mongodb::mongod {
    'mongo_shard1':
      mongod_instance    => 'Shard1',
      mongod_replSet     => 'mongoShard1',
      mongod_shardsvr    => 'true',
  }
}

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#!/bin/bash
#
# /etc/init.d/opscenter-agent
#
# Startup script for opscenter-agent
#
# chkconfig: 2345 20 80
# description: Starts and stops opscenter-agent
. /etc/init.d/functions
opsCenterAgentBin=/usr/share/opscenter/agent/bin/opscenter-agent

ashrithr

#Mongo UseCase:

Installing mongodb on 5 machines with the following deamon configurations:

Host	Mongo Role
router.mongo.cw.com	Router(mongos), Application Server, Arbiter (Shard1), Arbiter (Shard2), Config1, Config2, Config3
shard1r1.mongo.cw.com	shard1 replica primary
shard1r2.mongo.cw.com	shard1 replica secondary
shard2r1.mongo.cw.com	shard2 replica primary

ashrithr

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

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To initialize a submodule inside git repo

git submodule add [GitURL] [AliasName]

To recursivly update the submodules inside of a git repo

git submodule foreach git pull origin master