patch_bashrc() {
	echo "#"
	echo "# As one of the last things here we will set a new prompt to distinguish"
	echo "# the bwLehrpool satellite server from other servers. To accomplish this"
	echo "# we will set a very classy prompt. This will take effect at next root login."

	for f in /root/ /home/*/; do
		[ -d "$f" ] || continue # Not dir
		f="$f/.bashrc"
		[ -f "$f" ] || cp /etc/skel/.bashrc "$f" # Make sure default exists
		grep -qF '/opt/openslx/bashrc.inc' "$f" && continue # Already patched
		# This include will set our two-line prompt including the IP address
		echo ". /opt/openslx/bashrc.inc" >> "$f"
		# enable aliases, dircolors
		sed -i -r 's/^(\s*)#\s*(alias|export LS|export GCC|eval )/\1\2/' "$f"
	done
}

patch_ldapsearch() {
	# Make ldapsearch ignore invalid certificates
	sed -i '/tls_reqcert/Id' /etc/ldap/ldap.conf
	echo "TLS_REQCERT never" >> /etc/ldap/ldap.conf
}

patch_java() {
	# Fix svg renderer:
	# java.awt.AWTError: Assistive Technology not found: org.GNOME.Accessibility.AtkWrapper
	sed -i -e '/^assistive_technologies=/s/^/#/' /etc/java-*/accessibility.properties &> /dev/null
}