DHCP server - Revision history

Boiarino: /* Configure DHCP server on RHEL9 */

2025-09-09T13:36:19Z

Configure DHCP server on RHEL9

← Older revision		Revision as of 09:36, 9 September 2025
Line 9:		Line 9:
	#		#
	# DHCP Server Configuration file.		# DHCP Server Configuration file.
	# see /usr/share/doc/dhcp*/dhcpd.conf.example		# see /usr/share/doc/dhcp-server/dhcpd.conf.example
	# see dhcpd.conf(5) man page		# see dhcpd.conf(5) man page
	#		#
Line 18:		Line 18:
	max-lease-time 7200;		max-lease-time 7200;

	## subnet 167		# subnet 167
	subnet 129.57.167.0 netmask 255.255.255.0 {		subnet 129.57.167.0 netmask 255.255.255.0 {
	option routers 129.57.167.99;		option routers 129.57.167.99;
Line 32:		Line 32:
	allow declines;		allow declines;
	}		}

			# important settings to recognize PXE boot from UEFI boot controllers
			set vendorclass = option vendor-class-identifier;
			option pxe-system-type code 93 = unsigned integer 16;
			set pxetype = option pxe-system-type;

	# DISKLESS Clients in here		# DISKLESS Clients in here
	group		group
	{		{
	~~# in following, "if substring(vendorclass..." is for use in computer center environment only~~		if substring(vendorclass, 0, 9)="PXEClient" {
	# if substring(vendorclass, 0, 9)="PXEClient" {
	if pxetype=00:06 or pxetype=00:07 {		if pxetype=00:06 or pxetype=00:07 {
	filename "efi/boot/grub2/x86_64-efi/core.efi";		filename "efi/boot/grub2/x86_64-efi/core.efi";
Line 43:		Line 47:
	filename "linux-install/pxelinux.0";		filename "linux-install/pxelinux.0";
	}		}
	# }		}

	next-server 129.57.167.~~139~~;		next-server 129.57.167.4;

	host test333 {		host test333 {
	hardware ethernet 00:20:38:04:3a:8a;		hardware ethernet 00:20:38:04:3a:8a;
	fixed-address 129.57.86.7;		fixed-address 129.57.86.7;
			}

			host test444 {
			hardware ethernet 00:20:38:10:15:03;
			fixed-address 129.57.86.5;
	}		}

	} # Diskless clients group		} # Diskless clients group


	Enable and start service:		Enable and start service:

Boiarino: /* Configure DHCP server on RHEL9 */

2025-09-08T20:03:59Z

Configure DHCP server on RHEL9

← Older revision		Revision as of 16:03, 8 September 2025
Line 5:		Line 5:
	In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.		In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.

	Config file /etc/dhcp/dhcpd.conf should looks like this:		Config file /etc/dhcp/dhcpd.conf should looks like this (replace 129.57.167.139 with the server address):

	#		#

Boiarino: /* Configure DHCP server on RHEL9 */

2025-09-04T21:43:36Z

Configure DHCP server on RHEL9

← Older revision		Revision as of 17:43, 4 September 2025
Line 4:		Line 4:

	In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.		In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.

	Config file /etc/dhcp/dhcpd.conf should looks like this:		Config file /etc/dhcp/dhcpd.conf should looks like this:

Line 52:		Line 53:

	} # Diskless clients group		} # Diskless clients group

			Enable and start service:

			systemctl enable dhcpd
			systemctl start dhcpd

			Check service status, fix errors if any:

			systemctl status dhcpd

	== Configure local DHCP server on RHEL7 ==		== Configure local DHCP server on RHEL7 ==

Boiarino: /* Configure DHCP server on RHEL9 */

2025-09-04T21:42:55Z

Configure DHCP server on RHEL9

← Older revision		Revision as of 17:42, 4 September 2025
Line 4:		Line 4:

	In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.		In this example, server on subnet 167 (129.57.167.139), and client on subnet 86.
			Config file /etc/dhcp/dhcpd.conf should looks like this:

	#		#

Boiarino: /* Configure global DHCP server on RHEL9 */

2025-09-04T21:41:20Z

Configure global DHCP server on RHEL9

@@ Line 1: / Line 1: @@
-== Configure global DHCP server on RHEL9 ==
+== Configure DHCP server on RHEL9 ==
   yum install dhcp-server
 == Configure local DHCP server on RHEL7 ==

Boiarino at 14:49, 4 September 2025

2025-09-04T14:49:54Z

← Older revision		Revision as of 10:49, 4 September 2025
Line 1:		Line 1:
	~~'''~~Configure DHCP server on RHEL7~~'''~~		== Configure global DHCP server on RHEL9 ==

			yum install dhcp-server

			== Configure local DHCP server on RHEL7 ==

	yum install dhcp		yum install dhcp

Boiarino at 19:23, 15 May 2025

2025-05-15T19:23:01Z

← Older revision		Revision as of 15:23, 15 May 2025
Line 54:		Line 54:

	} # Diskless clients group		} # Diskless clients group

			Enable and start service:
			systemctl enable dhcpd
			systemctl start dhcpd

			Check service status, fix errors if any:
			systemctl status dhcpd

Boiarino at 19:21, 15 May 2025

2025-05-15T19:21:01Z

Show changes

Boiarino at 17:24, 15 May 2025

2025-05-15T17:24:36Z

← Older revision		Revision as of 13:24, 15 May 2025
Line 50:		Line 50:
	...		...

	'''In ~~controller's snapshot~~ area, sshd_config must have following setting (to allow remote ssh)'''		'''In root area, /etc/ssh/sshd_config must have following setting (to allow remote ssh)'''

	#UsePAM yes		#UsePAM yes

			it will be propagated to the controller's snapshot area on the first boot.

	Not sure about others:		Not sure about others:

Boiarino at 17:21, 15 May 2025

2025-05-15T17:21:59Z

← Older revision		Revision as of 13:21, 15 May 2025
Line 50:		Line 50:
	...		...

	'''In controller's snapshot area, sshd_config (to allow remote ssh)'''		'''In controller's snapshot area, sshd_config must have following setting (to allow remote ssh)'''

			#UsePAM yes

			Not sure about others:

	HostbasedAuthentication yes		HostbasedAuthentication yes
Line 61:		Line 65:
	#PasswordAuthentication yes		#PasswordAuthentication yes
	PasswordAuthentication yes		PasswordAuthentication yes

	~~#UsePAM yes~~
	~~UsePAM yes~~

	#UsePrivilegeSeparation sandbox # Default for new installations.		#UsePrivilegeSeparation sandbox # Default for new installations.