pxe-boot.markdown

@@ -11,10 +11,10 @@ http://www.server-world.info/en/note?os=CentOS_6&p=pxe&f=4
 
 ## the long version
 ### use DHCP (dhcpd) to provide PXE boot information
-- install dhcpd
+- install prerequisites
 
 ```
-yum -y install dhcp
+yum -y install dhcp syslinux xinetd tftp-server dracut-network
 ```
 
 - configure "/etc/dhcp/dhcpd.conf" to include PXE boot information
@@ -65,6 +65,31 @@ service dhcpd restart
 chkconfig dhcpd on
 ```
 
+- configure TFTP configuration in "/etc/xinetd.d/tftp"
+ 
+```
+service tftp
+{
+	socket_type		= dgram
+	protocol		= udp
+	wait			= yes
+	user			= root
+	server			= /usr/sbin/in.tftpd
+	server_args		= -s /var/lib/tftpboot
+	disable			= no
+	per_source		= 11
+	cps			= 100 2
+	flags			= IPv4
+}
+```
+
+- start / restart TFTP server
+
+```
+service xinetd start 
+chkconfig xinetd on
+```
+
 ### prepare root filesystem for server
 
 ```