to make local server work:
	sudo apt-get install php php5-mysql php5-xsl php-apc
	sudo apt-get install apache2
	setup/general config file/settings: /etc/apache2/apache2.conf
	/etc/apache2/sites-available/default (copied to create general)
	directives: http://help.ubuntu-it.org/6.06/ubuntu/serverguide/it/httpd.html
		ServerAdmin email
		DocumentRoot (and <Directory ...>): originally /var/www
			set to /home/nicolamr/Scrivania/prog/php
		ServerName, ServerAlias, DirectoryIndex, ErrorDocument
		CustomLog: default /var/log/apache2/access.log
		ErrorLog: default /var/log/apache2/error.log
		LogFormat, LockFile, PidFile
	add "general" site:
		sudo a2dissite default; sudo a2ensite general
	envvars: /etc/apache2/envvars
		User: APACHE_RUN_USER
		Group: APACHE_RUN_GROUP
		set them both to nicolamr

add website:
	copy /etc/apache2/sites-available/default and edit
		see [[newsite]]
		add link to it in sites-enabled
	sudo a2dissite old; sudo a2ensite new
	can define www.asd.com.localhost
		add to /etc/hosts near localhost

start/stop/restart apache:
	don't use apache2 command!
		-k start because of "bad user name" or other problems...
	sudo service apache2 restart
	sudo /etc/init.d/apache2 start
	sudo /etc/init.d/apache2 stop
	sudo /etc/init.d/apache2 restart

remove everything:
	sudo apt-get purge apache2 apache2-mpm-worker apache2.2-common apache2.2-bin apache2-utils libapr1 libaprutil1 libaprutil1-ldap libaprutil1-dbd-sqlite3 python-couchdb

running at startup:
	httpd (pid 3155) already running
	cd /etc/rc2.d; sudo mv {S,K}91apache2

location of php.ini: 
	from command-line/cli: /etc/php5/cli/php.ini
	cgi: /etc/php5/cgi/php.ini (did not exist)
	apache2: /etc/php5/apache2/php.ini (did not exist after install)

phpinfo: phpinfo();

mod_rewrite/.htaccess:
	activate:
		activate mod_rewrite
		link to proxy.load, and rewrite.load in mods-available
		inside <Directory>
			AllowOverride All
			Options FollowSymLinks
	RewriteEngine on

	RewriteBase path/to/.htaccess/from/web/base
	RewriteRule ^([a-zA-Z0-9_\-/]*[a-zA-Z0-9_\-])$ $1/ [R,L]
	RewriteRule ^([a-zA-Z0-9_\-/]+)/$ index.php?query=$1&%{QUERY_STRING} [L]

	#redirect only non-existing files:
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteRule ^([a-zA-Z0-9_\-/]+\.[a-zA-Z]+)$ index.php?query=$0&%{QUERY_STRING} [L]