Set the hostname for mesh peers

src/freedombone-image-customise

 chroot "$rootdir" apt-get install -y locales locales-all debconf wireless-tools wpasupplicant
 
 sed -i "s|#host-name=.*|host-name=${PROJECT_NAME}|g" $rootdir/etc/avahi/avahi-daemon.conf
+sed -i "s|host-name=.*|host-name=${PROJECT_NAME}|g" $rootdir/etc/avahi/avahi-daemon.conf
 
 chroot "$rootdir" /bin/bash -x <<EOF
 git clone $PROJECT_REPO /root/$PROJECT_NAME

src/freedombone-image-mesh

 #  '144.76.60.215,2a01:4f8:191:64d6::1,33445,04119E835DF3E78BACF0F84235B300546AF8B936F035185E2A8E9E0A67C8924F,sonOfRa,DE'
 #)
 
+function set_hostname {
+	DEFAULT_DOMAIN_NAME="$1"
+
+	echo "$DEFAULT_DOMAIN_NAME" > /etc/hostname
+	hostname $DEFAULT_DOMAIN_NAME
+
+	if grep -q "127.0.1.1" /etc/hosts; then
+		sed -i "s/127.0.1.1.*/127.0.1.1       $DEFAULT_DOMAIN_NAME/g" /etc/hosts
+	else
+		echo "127.0.1.1  $DEFAULT_DOMAIN_NAME" >> /etc/hosts
+	fi
+}
+
 function change_avahi_name {
 	decarray=( 1 2 3 4 5 6 7 8 9 0 )
 	PEER_ID=${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}
 	sed -i "s|#host-name=.*|host-name=P$PEER_ID|g" /etc/avahi/avahi-daemon.conf
 	sed -i "s|host-name=.*|host-name=P$PEER_ID|g" /etc/avahi/avahi-daemon.conf
+	set_hostname P$PEER_ID
+
 	echo "New avahi name for this peer is P$PEER_ID"
 	toilet "mesh-$PEER_ID"
 	echo $"avahi name changed to P${PEER_ID}.local" >> $INSTALL_LOG