diff --git a/install/00_base.sh b/install/00_base.sh
new file mode 100644
index 0000000000000000000000000000000000000000..c078fce5cb722916e20f4dbef24c5ffc7c7c5663
--- /dev/null
+++ b/install/00_base.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -e # Exit on errors
+
+echo "deb http://security.ubuntu.com/ubuntu quantal-security main " >> /etc/apt/sources.list
+
+apt-get update
+apt-get -y upgrade
diff --git a/install/00_jenkins_user.sh b/install/01_jenkins_user.sh
similarity index 100%
rename from install/00_jenkins_user.sh
rename to install/01_jenkins_user.sh
diff --git a/install/10_build_essential.sh b/install/10_build_essential.sh
index 2f3df39b5451e0cd2a7e458b6abd5849d4c1786e..498b67d0dc9a71be8d5bf257423349a6e1033bb6 100755
--- a/install/10_build_essential.sh
+++ b/install/10_build_essential.sh
@@ -2,5 +2,8 @@
 
 set -e # Exit on errors
 
+echo "deb http://security.ubuntu.com/ubuntu quantal-security main " >> /etc/apt/sources.list
+
+apt-get update
 apt-get -y install build-essential checkinstall
 apt-get -y install cvs subversion git-core mercurial
diff --git a/install/20_docker.sh b/install/11_docker.sh
similarity index 60%
rename from install/20_docker.sh
rename to install/11_docker.sh
index 8836745bf0cece922a1b6a8ddff23147b3b4a496..92e3ef7bd68c8b1234f8196a82629b9d605d36aa 100755
--- a/install/20_docker.sh
+++ b/install/11_docker.sh
@@ -3,9 +3,8 @@
 set -e # Exit on errors
 
 mkdir -p $JENKINS_HOME/tools/docker/bin
-cd $JENKINS_HOME/tools/docker/bin
-wget https://get.docker.io/builds/Linux/x86_64/docker-latest -O docker
-chmod 755 docker
+curl -s https://get.docker.io/builds/Linux/x86_64/docker-latest -o $JENKINS_HOME/tools/docker/bin/docker
+chmod 755 $JENKINS_HOME/tools/docker/bin/docker
 
 DOCKER_HOME=$JENKINS_HOME/tools/docker
 echo "export PATH=$DOCKER_HOME/bin:\$PATH" > /etc/profile.d/docker.sh
diff --git a/install/12_chrome_xvfb.sh b/install/12_chrome_xvfb.sh
new file mode 100644
index 0000000000000000000000000000000000000000..3475864671d0ffe97c87ac6001e0e9d422ae4e5e
--- /dev/null
+++ b/install/12_chrome_xvfb.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e # Exit on errors
+
+curl -s https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
+echo "deb http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list
+
+apt-get update
+apt-get -y install x11vnc xvfb fluxbox google-chrome-stable
diff --git a/install/30_ant.sh b/install/20_ant.sh
similarity index 100%
rename from install/30_ant.sh
rename to install/20_ant.sh
diff --git a/install/40_maven.sh b/install/21_maven.sh
similarity index 100%
rename from install/40_maven.sh
rename to install/21_maven.sh
diff --git a/install/50_android.sh b/install/30_android.sh
similarity index 100%
rename from install/50_android.sh
rename to install/30_android.sh
diff --git a/install/60_erlang.sh b/install/40_erlang.sh
similarity index 100%
rename from install/60_erlang.sh
rename to install/40_erlang.sh
diff --git a/install/41_rebar.sh b/install/41_rebar.sh
new file mode 100644
index 0000000000000000000000000000000000000000..350be4bd3324b24fb4e65060a274b8a4f5ec0299
--- /dev/null
+++ b/install/41_rebar.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -e # Exit on errors
+
+. /etc/profile.d/erlang.sh
+
+cd $JENKINS_HOME/tools
+
+git clone git://github.com/rebar/rebar.git
+cd rebar
+./bootstrap
+mkdir bin
+mv rebar bin
+
+echo "export PATH=$JENKINS_HOME/tools/rebar/bin:\$PATH" > /etc/profile.d/rebar.sh
+chmod 755 /etc/profile.d/rebar.sh
diff --git a/install/42_relx.sh b/install/42_relx.sh
new file mode 100644
index 0000000000000000000000000000000000000000..804c7b51584106e9b97bbfffef26174ddf2d72f5
--- /dev/null
+++ b/install/42_relx.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -e # Exit on errors
+
+. /etc/profile.d/erlang.sh
+. /etc/profile.d/rebar.sh
+
+cd $JENKINS_HOME/tools
+
+git clone git://github.com/erlware/relx.git
+cd relx
+make
+mkdir bin
+mv relx bin
+
+echo "export PATH=$JENKINS_HOME/tools/relx/bin:\$PATH" > /etc/profile.d/relx.sh
+chmod 755 /etc/profile.d/relx.sh
diff --git a/install/99_cleanup.sh b/install/99_cleanup.sh
index c1eea6b999398a4e12689227d6577b9d463c2d4d..2618043fe5045034cdbf3a549d7259e9a5ab073d 100755
--- a/install/99_cleanup.sh
+++ b/install/99_cleanup.sh
@@ -3,3 +3,7 @@
 set -e # Exit on errors
 
 chown -R jenkins:jenkins $JENKINS_HOME
+
+apt-get autoclean
+apt-get clean
+apt-get autoremove