Auto-setup an Ubuntu machine

autosetup.sh

#!/bin/bash
# Sets up a new Ubuntu installation with good things
# Desktop and Server are supported

# Detect Ubuntu version
distro="server"
(dpkg -s "ubuntu-desktop" && distro="ubuntu") > /dev/null 2>&1
(dpkg -s "xubuntu-desktop" && distro="xubuntu") > /dev/null 2>&1
(dpkg -s "kubuntu-desktop" && distro="kubuntu") > /dev/null 2>&1

# Declare basic functions
function install {
	/usr/bin/sudo /usr/bin/apt-get install $1 -y &> /dev/null
}
function alert {
	if [[ $distro != "server" && -f "/usr/bin/notify-send" ]]; then
		/usr/bin/notify-send $1 $2
	else
		echo $1 $2
	fi
}

# Enable passwordless sudo
if [[ $USER != 'root' ]]; then
	echo -n "Enable passwordless sudo for current user (y/n)? [n] "
	read pwdless
	if [[ $pwdless == 'y' ]]; then
		/usr/bin/sudo /bin/bash -c "echo '$USER ALL=(ALL:ALL) NOPASSWD: ALL' >> /etc/sudoers"
		echo "Passwordless sudo enabled for $USER"
	else
		echo "Skipping passwordless sudo."
	fi
fi

# Update package list and upgrade system
echo "Updating packages list..."
/usr/bin/sudo /usr/bin/apt-get update &> /dev/null
echo "Installing system updates..."
/usr/bin/sudo /usr/bin/apt-get upgrade -y &> /dev/null
alert "Package updates were installed." "Additional upgrades for the kernal and core applications may be available."

# Install core applications
echo "Installing core applications..."
if [[ $distro != "server" ]]; then
	install pidgin synaptic htop vim cmatrix git gitk
	alert "New applications installed!" "Pidgin, Synaptic, git, vim, htop, and cmatrix"
else
	install htop vim cmatrix git
	echo "Installed git, vim, htop, and cmatrix"
fi
echo

# Install a web server
echo -n "What web server would you like (apache2/nginx)? [none] "
read server
if [[ $server == 'apache2' ]]; then
	install apache2 mysql-server mysql-client php5 php5-cli php5-mysql php5-gd php5-curl php5-mcrypt php5-json php5-imap libnusoap-php

	# Configure server
	/usr/bin/sudo a2enmod rewrite
	/usr/bin/sudo php5enmod mcrypt
	/usr/bin/sudo perl -pi -e 's/short_open_tag = Off/short_open_tag = On/g' /etc/php5/apache2/php.ini

	# Make new web root
	/usr/bin/sudo mkdir -p /var/www
	/usr/bin/sudo chown $USER:www-data /var/www

	# Restart service
	/usr/bin/sudo service apache2 restart

	alert "Web server installed!" "Apache/PHP5/MySQL"
elif [[ $server == 'nginx' ]]; then
	install nginx mysql-server mysql-client php5-fpm php5-cli php5-mysql php5-gd php5-curl php5-mcrypt php5-json php5-imap libnusoap-php

	# Configure server
	/usr/bin/sudo php5enmod mcrypt
	/usr/bin/sudo perl -pi -e 's/short_open_tag = Off/short_open_tag = On/g' /etc/php5/php5-fpm/php.ini

	# Make new web root
	/usr/bin/sudo mkdir -p /var/www
	/usr/bin/sudo chown $USER:www-data /var/www

	# Restart Service
	/usr/bin/sudo service php5-fpm restart

	alert "Web server installed!" "NGINX/PHP5/MySQL"
else
	echo "Skipping web server."
fi

# Install gnome as an alternative to Unity
if [[ $distro == "ubuntu" ]]; then
	install gnome-session-fallback
	alert "Installed Gnome as an alternative to Unity."
fi