Michael Greenly

$ sudo apt-get install lsb-release
$ lsb_release -a
# Distributor ID: Ubuntu
# Description: Ubuntu 8.04
# Release: 8.04
# Codename: hardy
#> netbeans-6.0.1-ml-linux.sh --java-home /usr/lib/jvm/java-6-sun
#> sudo apt-get install gnome-alsamixer
#> cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model  : 15
model name : Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz
stepping : 10
CFLAGS="-march=prescott -O3"
CXXFLAGS="${CFLAGS}"
export CFLAGS CXXFLAGS
$> bzr init-repo foo-branches
$> cd foo-branches
$> bzr branch http://example.com/foo-trunk trunk
$> bzr branch trunk workbranch
$> cd mybranch
$> # hack, commit, hack commit, repeat as necessary
$> cd ../trunk
$> bzr pull
$> bzr merge ../workbranch
$> bzr commit
$> bzr push

svnadmin create --fs-type fsfs /path/to/svn/project
cd /path/to/bzr/project
bzr svn-push /path/to/svn/project/trunk
git-svn clone  -T /path/to/svn/project/trunk /path/to/git/project

 # file: app/controllers/parts_controller.rb
 def destroy
   unless request.delete?
     render :layout => false, :template => "errors/405", :status => 405
     return
   end
   begin
     Part.find(params[:id]).destroy
     flash.now[:success] = "The part has been successfully deleted."
   rescue
     flash[:failure] = "Unable to delete part."
   end
 end

 # file: test/functional/parts_controller_test.rb
 def test_destroy_get
   get :destroy
   assert_response 405
   assert_template("errors/405")
 end

$> sudo apt-get install apache2 libapache2-mod-fcgid
$> a2enmod fcgid

# serve everything from /var/www/ and use /var/www/default as the document root

ServerAdmin webmaster@hostname

# setup logs
ErrorLog /var/log/apache2/error.log
CustomLog /var/log/apache2/access.log combined
LogLevel warn\

# limit the amount of info about server
ServerSignature Off

# default permissions to all files
<Directory />
  Options FollowSymLinks
  AllowOverride None
</Directory>p;

# setup document root and permissions
DocumentRoot /var/www/default
<Directory /var/www/default>
  Options +FollowSymLinks +MultiViews
  AllowOverride None
  Order allow,deny
  allow from all
</Directory>

# define environment for fcgid processes
DefaultInitEnv PATH "/opt/ruby/bin"
DefaultInitEnv RAILS_ENV "production"

# run the app from /var/www/appname and serve it aliased as http://hostname/appname

Alias /appname "/var/www/appname/current/public"
<Directory /var/www/appname/current/public/>

  Options -Indexes +MultiViews +FollowSymLinks +ExecCGI
  AllowOverride None
  Order deny,allow
  Allow from all

  RewriteEngine On

  # provide support for cap deploy:web:disable
  RewriteCond /var/www/appname/current/public/system/maintenance.html -f
  RewriteCond %{SCRIPT_FILENAME} !maintenance.html
  RewriteRule ^.*$ /appname/system/maintenance.html [L]

  # standard rails rewrite with support for alias directory
  RewriteBase /appname
  RewriteRule ^$ index.html [QSA]
  RewriteRule ^([^.]+)$ $1.html [QSA]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteRule ^(.*)$ dispatch.fcgi [QSA,L]

  # define error documents
  ErrorDocument 500 500.html
</Directory>

$> groupadd projectname
$> adduser --ingroup projectname username
$> mkdir /var/bzr/projectname
$> chown :projectname /var/bzr/projectname
$> chmod ug+rwx,g+s,o+rx,o-w projectname
$> bzr push bzr+ssh://hostname/var/bzr/projectname
Alias /bzr "/var/bzr"
<Directory "/var/bzr">
 Options +Indexes +MultiViews +FollowSymLinks
  AllowOverride None
  Order deny,allow
  Allow from all
</Directory>

$> bzr branch http://hostname/bzr/projectname
class Part < ActiveRecord::Base
  PRIME = 2654435761
  MAXID = 2**31-1
  def after_create
    self.hashed_id = (self.id * PRIME & MAXID)
    self.save
  end
end

class PartsController < ApplicationController
  def show
    @part = Part.find_by_hashed_id(params[:id])
  end
end

$> sudo apt-get install ruby irb ri rdoc libruby-extras rubygems ruby1.8-dev
$> sudo gem install rake
$> sudo apt-get build-dep ruby1.8 ruby1.9
$>mkdir temp; cd temp
$>wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6-p111.tar.gz
$>tar -xvzf ruby-1.8.6-p111.tar.gz
$>wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.0-0.tar.gz
$>tar -xvzf ruby-1.9.0-0.tar.gz
$> cd ruby-1.8*
$> ./configure --prefix=/opt/ruby1.8 --program-suffix=1.8.6
$> sudo make && make install
$> cd ../ruby-1.9*
$> ./configure --prefix=/opt/ruby1.9 --program-suffix=1.9.0
$> sudo make && make install

$> wget http://rubyforge.org/frs/download.php/29548/rubygems-1.0.1.tgz
$> tar -xvzf rubygems-1.0.1.tgz
$> cd rubygems*
$> sudo /opt/ruby1.8.6/bin/ruby1.8.6 setup.rb
$> sudo ln -s /opt/ruby1.8.6/bin/* /usr/local/bin
$> sudo ln -s /opt/ruby1.9.0/bin/* /usr/local/bin

$> which ruby
>> /usr/bin/ruby
$> gem env
>> ....
>> GEM PATH: /var/lib/gems/1.8
>> ....

$> which ruby1.8.6
>> /usr/local/bin/ruby1.8.6
$> gem1.8.6 env
>> ....
>> GEM PATH: /opt/ruby1.8.6/lib/ruby/gems/1.8
>> ....

$> which ruby1.9.0
>> /usr/local/bin/ruby1.9.0
$> gem1.9.0 env
>> ....
>> GEM PATH: /opt/ruby1.9.0/lib/ruby/gems/1.8
>> ....

if [ -d /var/lib/gems/1.8/bin ]; then
PATH=/var/lib/gems/1.8/bin:"${PATH}"
fi
export PATH
$> mkdir temp; cd temp
$> sudo apt-get build-dep ffmpeg
$> apt-get source ffmpeg
$> sudo apt-get install liblame-dev libfaad2-dev libfaac-dev libxvidcore4-dev
$> cd ffmpeg*
ffmpeg (3:0.cvs20070307-5ubuntu4) gutsy; urgency=low
ffmpeg (3:0.cvs20070307-5ubuntu4-mg1) gutsy; urgency=low
$> DEB_BUILD_OPTIONS=risky && fakeroot debian/rules binary
$> cd .. && sudo dpkg -i *.deb
$> cd .. && rm -rf temp
require 'rubygems'
require 'syntax/convertors/html'
convertor = Syntax::Convertors::HTML.for_syntax "ruby"
puts convertor.convert(File.read(ARGV[0]))

Michael Greenly

Determine What Version of Ubuntu You're Running?

Gemified S3Sync on GitHub

NetBeans on Ubuntu

Ubuntu 8.04 "Hardy Heron"

Setting CFLAGS

Cleaning Up Revision Histories

Inspirational Speeches

Modeling Magic

Before Filtering HTTP Method Types

Bzr to Git

GNU Apps On Windows?

Marketing Open Source

Patch Bombing and Change Stashing

Method Not Allowed

The Application Appliance

My Opinionated Application Stack

Opportunities

My Apache Setup

Setting Up A Shared Bazaar Repository

Obfuscating IDs in URLs with Rails

Useful Launchpad Tips

Multiple Versions of Ruby On Ubuntu

Customizing Debian Packages

The Generational Divide in Copyright Morality

Ruby Syntax Highlighting On Blogger