Adding a New Machine to the Network - Revision history

7449: /* Registering with LAN DB */

2013-12-18T10:55:53Z

Registering with LAN DB

← Older revision		Revision as of 11:55, 18 December 2013
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	== Registering with LAN DB ==		== Registering with LAN DB ==
	Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT ~~Service~~ database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:		Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Services database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:

	Hi,		Hi,

7449 at 10:50, 12 December 2013

2013-12-12T10:50:04Z

← Older revision		Revision as of 11:50, 12 December 2013
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	== Pre-Install Checklist ==		== Pre-Install Checklist ==
	* Has the device been recently? New equipment should be by before being placed into production (YUSU offer to do it, but are entered into a 3 year [as of 2013] exclusive contract with a company that takes weeks to respond - you can also try Computer Science Hardware support [Pete Cooper], Electronics, or one of the free PAT days the University offers at the start of the academic year).		* Has the device been PA Tested recently? New equipment should be by before being placed into production (YUSU offer to do it, but are entered into a 3 year [as of 2013] exclusive contract with a company that takes weeks to respond - you can also try Computer Science Hardware support [Pete Cooper], Electronics, or one of the free PAT days the University offers at the start of the academic year).
	* Is the device earmarked to go into the [[Server Cupboard]]? If so, it must be a rack mount device. It improves airflow, accessibility and prettyness. If you don't have a suitable case, ask around the team - we have "contacts" that can "source" them for you (Read: have collections of old servers).		* Is the device earmarked to go into the [[Server Cupboard]]? If so, it must be a rack mount device. It improves airflow, accessibility and prettyness. If you don't have a suitable case, ask around the team - we have "contacts" that can "source" them for you (Read: have collections of old servers).
	* Has the device been allocated an IP address in one of the subnets allocated to us by IT Services? Have you updated the Google Doc (at https://docs.google.com/spreadsheet/ccc?key=0AtlIZR-runbWdEphYXdNQkcxU25BeFJfUGtQeFRRWnc&usp=drive_web)?		* Has the device been allocated an IP address in one of the subnets allocated to us by IT Services? Have you updated the Google Doc (at https://docs.google.com/spreadsheet/ccc?key=0AtlIZR-runbWdEphYXdNQkcxU25BeFJfUGtQeFRRWnc&usp=drive_web)?

7449 at 06:42, 10 December 2013

2013-12-10T06:42:20Z

← Older revision		Revision as of 07:42, 10 December 2013
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	== Checklist ==		== Pre-Install Checklist ==
	* Has the device been recently? New equipment should be by before being placed into production (YUSU offer to do it, but are entered into a 3 year [as of 2013] exclusive contract with a company that takes weeks to respond - you can also try Computer Science Hardware support [Pete Cooper], Electronics, or one of the free PAT days the University offers at the start of the academic year).		* Has the device been recently? New equipment should be by before being placed into production (YUSU offer to do it, but are entered into a 3 year [as of 2013] exclusive contract with a company that takes weeks to respond - you can also try Computer Science Hardware support [Pete Cooper], Electronics, or one of the free PAT days the University offers at the start of the academic year).
	* Is the device earmarked to go into the [[Server Cupboard]]? If so, it must be a rack mount device. It improves airflow, accessibility and prettyness. If you don't have a suitable case, ask around the team - we have "contacts" that can "source" them for you (Read: have collections of old servers).		* Is the device earmarked to go into the [[Server Cupboard]]? If so, it must be a rack mount device. It improves airflow, accessibility and prettyness. If you don't have a suitable case, ask around the team - we have "contacts" that can "source" them for you (Read: have collections of old servers).
Line 9:		Line 9:
	* Have you configured the IP Address for the device statically, with DNS Servers 144.32.64.164, 144.32.128.242, 144.32.128.243? A sample /etc/network/interfaces file is below in [[#Static IP Configuration]]		* Have you configured the IP Address for the device statically, with DNS Servers 144.32.64.164, 144.32.128.242, 144.32.128.243? A sample /etc/network/interfaces file is below in [[#Static IP Configuration]]
	* If Windows, has it been Domain Joined? If Linux/FreeBSD, have you set up Samba as per [[#Single Sign On with Samba]]?		* If Windows, has it been Domain Joined? If Linux/FreeBSD, have you set up Samba as per [[#Single Sign On with Samba]]?
			* If this device is to have trunked networking, or something other than/in addition to VLAN653 untagged, have you configured the switch appropriately and updated the Google Doc (at https://docs.google.com/spreadsheet/ccc?key=0AtlIZR-runbWdEZOd2YtenEzT1RvNUdpaDFrYWpGM1E&usp=drive_web)?

	=== Registering with LAN DB ===		== Physical Install - Server Cupboard ==
			When installing or removing rack-mount equipment from the Server Cupboard, it is usually necessary to remove the wooden front panel. You must have three technical team members with you when doing this, and a good couple of hours when it isn't raining (you'll need to move the Outside Broadcast equipment.... outside).

			'''Do not attempt to access the rear of the rack if you are anything other than exceedingly slim. This will end badly.'''

			First, make sure you have cleared space in the stores walkway for the panel to be kept whilst it is removed. This involves placing everything currently there into the vinyl section of stores or outside. Then, switch off the fans (located above a thermostat at the rear of the cupboard) and disconnect their power cables.

			This panel is held on with a series of wood screws that need to be removed. You can then begin to gently push the panel out at the bottom from the inside. Once this has given somewhat, you should be able to push the whole thing forward an inch or so out of the frame.

			You now need to slide the panel '''away''' from the wall dividing technical storage from music in order to free the section that fits around the ducting.

			'''''You might find yourself panicing that small pieces of material have fallen loose and are now in your hair. This is NOT asbestos, just some poorly placed polystyrene.'''''

			Once that is free, you can then life the panel up from the bottom, sliding it out further. As you do this, rotate it 90 degrees, and it will rest happily against the wall. You now have front access to the rack.

			* Ensure the new device is powered from the UPS, either directly from the sockets on its rear or through the 16A PDU at the back of the shelf in the middle. This is more for power smoothing than redundancy - until we got this unit we lost around one server per term due to surges and brownouts.
			* Ensure the new device is connected to the KVM, located below the shelf in the middle of the rack.
			* If the rackmount equipment requires any screwing into the rack, there is a large tub of identical M4 bolts. If this supply has run out, acquire more from IT Services - they ironically have thousands of this same screw as it comes with HP Switches but is slightly different to the style they have standardised on.
			* Ensure that cabling is managed down the side of the rear of the rack, network on one side, power on the other.
			* Power up the device. Ensure that APC PowerChute is installed on it and the UPS has been configured to trigger a remote shutdown at the appropriate time during a power outage.
			* IMPORTANT: Update the Server Rack diagram documentation, including the A3 printed on in stores, and the system startup/shutdown procedure.

			Once you're done, don't forget to reinstall the wooden panel in front of the rack.

			== Registering with LAN DB ==
	Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:		Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:

Line 29:		Line 54:
	(Your Signoff Here)		(Your Signoff Here)

	=== Single Sign On with Samba ===		== Single Sign On with Samba ==
	==== FreeBSD ====		=== FreeBSD ===
	* Follow the following guide: http://www.whitneytechnologies.com/?p=119		* Follow the following guide: http://www.whitneytechnologies.com/?p=119
	* Change the home directory path configuration from above to just be /home/%U (no domain in the path)		* Change the home directory path configuration from above to just be /home/%U (no domain in the path)
Line 40:		Line 65:
	* If you are using ZFS data anywhere and plan to share over NFS or SMB, also look at https://mywushublog.com/2012/05/zfs-and-acls-with-samba/		* If you are using ZFS data anywhere and plan to share over NFS or SMB, also look at https://mywushublog.com/2012/05/zfs-and-acls-with-samba/

	==== Debian ====		=== Debian ===
	We haven't tried this with Debian yet. We should try this with Debian.		We haven't tried this with Debian yet. We should try this with Debian.


	=== Static IP Configuration ===		== Static IP Configuration ==
	/etc/network/interfaces:		/etc/network/interfaces:

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	nameserver 144.32.128.243		nameserver 144.32.128.243
	</code>		</code>

			[[Category:Technical How-Tos]]

7449 at 06:21, 10 December 2013

2013-12-10T06:21:04Z

← Older revision		Revision as of 07:21, 10 December 2013
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	Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:		Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:

	Hi,		Hi,
			Could I have a new device added to the LAN Database as follows please:
	Could I have a new device added to the LAN Database as follows please:

	~~<code>~~
	Object name: (DNS prefix, e.g. uryserver3)		Object name: (DNS prefix, e.g. uryserver3)
	Machine type: Unsupported Office PC		Machine type: Unsupported Office PC
Line 28:		Line 26:
	IP address: 144.32.64.xxx (or 10.64.160.xxx)		IP address: 144.32.64.xxx (or 10.64.160.xxx)
	Gateway: 144.32.64.161 (or 10.64.160.xxx)		Gateway: 144.32.64.161 (or 10.64.160.xxx)
	~~</code>~~
			(Your Signoff Here)
	(Your Signoff Here)

	=== Single Sign On with Samba ===		=== Single Sign On with Samba ===

7449 at 06:18, 10 December 2013

2013-12-10T06:18:56Z

← Older revision		Revision as of 07:18, 10 December 2013
Line 18:		Line 18:

	<code>		<code>
	Object name: (DNS prefix, e.g. uryserver3)		Object name: (DNS prefix, e.g. uryserver3)
	Machine type: Unsupported Office PC		Machine type: Unsupported Office PC
	Operating System: (OS and Version e.g. FreeBSD 10.0)		Operating System: (OS and Version e.g. FreeBSD 10.0)
	Department/contact: Students Union / (Your Name)		Department/contact: Students Union / (Your Name)
	Location: V/URY		Location: V/URY
	Interface type: Ethernet		Interface type: Ethernet
	MAC address: (The MAC address)		MAC address: (The MAC address)
	Attachment Point: ury		Attachment Point: ury
	IP address: 144.32.64.xxx (or 10.64.160.xxx)		IP address: 144.32.64.xxx (or 10.64.160.xxx)
	Gateway: 144.32.64.161 (or 10.64.160.xxx)		Gateway: 144.32.64.161 (or 10.64.160.xxx)
	</code>		</code>

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	<code>		<code>
	iface eth0 inet static		iface eth0 inet static
	address 144.32.64.xxx		address 144.32.64.xxx
	netmask 255.255.255.224		netmask 255.255.255.224
Line 64:		Line 64:

	<code>		<code>
	domain ury.york.ac.uk york.ac.uk		domain ury.york.ac.uk york.ac.uk
	nameserver 144.32.64.164		nameserver 144.32.64.164
	nameserver 144.32.128.242		nameserver 144.32.128.242
	nameserver 144.32.128.243		nameserver 144.32.128.243
	</code>		</code>

7449 at 06:18, 10 December 2013

2013-12-10T06:18:25Z

← Older revision		Revision as of 07:18, 10 December 2013
Line 17:		Line 17:
	Could I have a new device added to the LAN Database as follows please:		Could I have a new device added to the LAN Database as follows please:

			<code>

	Object name: (DNS prefix, e.g. uryserver3)		Object name: (DNS prefix, e.g. uryserver3)

	Machine type: Unsupported Office PC		Machine type: Unsupported Office PC

	Operating System: (OS and Version e.g. FreeBSD 10.0)		Operating System: (OS and Version e.g. FreeBSD 10.0)

	Department/contact: Students Union / (Your Name)		Department/contact: Students Union / (Your Name)

	Location: V/URY		Location: V/URY

	Interface type: Ethernet		Interface type: Ethernet

	MAC address: (The MAC address)		MAC address: (The MAC address)

	Attachment Point: ury		Attachment Point: ury

	IP address: 144.32.64.xxx (or 10.64.160.xxx)		IP address: 144.32.64.xxx (or 10.64.160.xxx)

	Gateway: 144.32.64.161 (or 10.64.160.xxx)		Gateway: 144.32.64.161 (or 10.64.160.xxx)
			</code>

	(Your Signoff Here)		(Your Signoff Here)
Line 59:		Line 49:
	=== Static IP Configuration ===		=== Static IP Configuration ===
	/etc/network/interfaces:		/etc/network/interfaces:

	<code>		<code>
	iface eth0 inet static		iface eth0 inet static
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	mtu 1500		mtu 1500
	</code>		</code>

			/etc/resolv.conf:

	<code>		<code>
	~~/etc/resolv.conf:~~
	domain ury.york.ac.uk york.ac.uk		domain ury.york.ac.uk york.ac.uk
	nameserver 144.32.64.164		nameserver 144.32.64.164

7449 at 06:17, 10 December 2013

2013-12-10T06:17:51Z

← Older revision		Revision as of 07:17, 10 December 2013
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	* Has the device been allocated an IP address in one of the subnets allocated to us by IT Services? Have you updated the Google Doc (at https://docs.google.com/spreadsheet/ccc?key=0AtlIZR-runbWdEphYXdNQkcxU25BeFJfUGtQeFRRWnc&usp=drive_web)?		* Has the device been allocated an IP address in one of the subnets allocated to us by IT Services? Have you updated the Google Doc (at https://docs.google.com/spreadsheet/ccc?key=0AtlIZR-runbWdEphYXdNQkcxU25BeFJfUGtQeFRRWnc&usp=drive_web)?
	* Have you informed IT Services that the new device exists? See [[#Registering with LAN DB]]		* Have you informed IT Services that the new device exists? See [[#Registering with LAN DB]]
			* Have you configured the IP Address for the device statically, with DNS Servers 144.32.64.164, 144.32.128.242, 144.32.128.243? A sample /etc/network/interfaces file is below in [[#Static IP Configuration]]
			* If Windows, has it been Domain Joined? If Linux/FreeBSD, have you set up Samba as per [[#Single Sign On with Samba]]?

	=== Registering with LAN DB ===		=== Registering with LAN DB ===
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	(Your Signoff Here)		(Your Signoff Here)

	==== ~~SAMBA NOTES~~ ====		=== Single Sign On with Samba ===
	~~This needs to be more formally documented, but first, follow~~:		==== FreeBSD ====
	http://www.whitneytechnologies.com/?p=119		* Follow the following guide: http://www.whitneytechnologies.com/?p=119
			* Change the home directory path configuration from above to just be /home/%U (no domain in the path)
	~~Then also edit~~ /etc/pam.d/system to have		* Edit /etc/pam.d/system to have
			<code>
	auth sufficient /usr/local/lib/pam_winbind.so		auth sufficient /usr/local/lib/pam_winbind.so
			</code>
			* Edit sudoers to use <code>%domain\x20admins ALL=(ALL) ALL</code>
			* If you are using ZFS data anywhere and plan to share over NFS or SMB, also look at https://mywushublog.com/2012/05/zfs-and-acls-with-samba/

	~~sudoers should use "%domain\x20admins ALL~~=~~(ALL) ALL"~~		==== Debian ====
			We haven't tried this with Debian yet. We should try this with Debian.
	~~If ZFS, also look at https://mywushublog.com/2012/05/zfs-and-acls-with-samba/~~

	~~<note warning>This information is semi-deprecated. Lloyd is currently working on our Subnet project.</note>~~

	===~~== Internal access =~~====

	~~==== Proxy ====~~

	~~Note: This is no longer necessary~~. We ~~previously did not have port 80 open externally but do now.~~

	~~/etc/profile and /etc/bash.bashrc~~
	~~export http_proxy=http://wwwcache.york.ac.uk:8080~~
	~~export ftp_proxy=http://wwwcache.york.ac.uk:8080~~

	~~you can run the command below to append to both files~~

	~~echo -e "\n#proxy settings\nexport http_proxy=http://wwwcache.york.ac.uk:8080\nexport ftp_proxy=http://wwwcache.york.ac.uk:8080" \| sudo tee -a /etc/profile \| sudo tee -a /etc/bash.bashrc~~

	~~==== DNS ====~~
	~~/etc/hostname~~
	~~<non-FQDN-name-just-the-machine-local-name>~~

	~~/etc/resolv.conf~~
	~~nameserver 10.0.0.4~~
	~~domain ury.york.ac.uk~~
	~~search ury.york.ac.uk~~

	Add the machine to uryfs1:/etc/bind/db.10-0-0, uryfs1:/etc/bind/db.ury

	~~==== DHCP ====~~

	Add the mac address and IP to uryfs1:/etc/dhcp/dhcpd.conf

	~~===== External access =====~~
	~~For a server to provide web services externally, we usually reverse proxy them through URY~~. ~~If the server will be hosting other services, do the following:~~

	~~- Get an IP assigned from the Vanbrugh subnet from IT Services. They need to know the following:~~

	~~-- The server's hostname~~		=== Static IP Configuration ===
			/etc/network/interfaces:
	~~-- The server's MAC address~~

	~~-- The server's operating system and version (e.g. Debian Squeeze)~~

	~~-- The server's location - This is V/URY <3840>~~

	~~- Once IT Services has done this (i.e. closed the request and provided you the IP), configure the server to connect out on VLAN 108 with the provided details. A sample~~ /etc/network/interfaces ~~file is below.~~
	<code>		<code>
	~~# The loopback network interface~~
	~~auto lo~~
	~~iface lo inet loopback~~

	~~# The primary network interface, URY Internal~~
	~~auto eth0~~
	~~allow-hotplug eth0~~
	iface eth0 inet static		iface eth0 inet static
	address 10.0.0.--		address 144.32.64.xxx
	netmask 255.255.255.0		netmask 255.255.255.224
	network 10.0.0.0		network 144.32.64.160
	broadcast 10.0.0.~~255~~		broadcast 144.32.64.191
	~~dns-nameservers 10~~.0.0.4		gateway 144.32.64.161
	dns-search ~~ury.~~york.ac.uk		dns-search york.ac.uk
			mtu 1500
	~~#External 108 Vanbrugh Subnet~~		</code>
	~~iface vlan108 inet static~~		<code>
	~~address 144~~.~~32.---.---~~		/etc/resolv.conf:
	~~netmask 255~~.~~255~~.~~254~~.0		domain ury.york.ac.uk york.ac.uk
	~~network 144~~.32.~~---.---~~		nameserver 144.32.64.164
	~~broadcast~~ 144.32.~~---~~.~~---~~		nameserver 144.32.128.242
	~~gateway~~ 144.32.~~108~~.76		nameserver 144.32.128.243
	~~dns-nameservers~~ 144.32.128.243
	~~dns-search york.ac.uk~~
	~~mtu 1500~~
	~~vlan_raw_device eth0~~
	</code>		</code>
	~~Note: Ports 1-3 on the netgear switch (urysw1) are inverted - internal traffic is on vlan1 and external on untagged. You can either change the above sample file, or reconfigure the switch port.~~

	~~===== Links =====~~

	~~[[computing:mainpage\|Back to Computing Home]]~~

7449 at 06:06, 10 December 2013

2013-12-10T06:06:37Z

← Older revision		Revision as of 07:06, 10 December 2013
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	Could I have a new device added to the LAN Database as follows please:		Could I have a new device added to the LAN Database as follows please:



	Object name: (DNS prefix, e.g. uryserver3)		Object name: (DNS prefix, e.g. uryserver3)

7449 at 06:06, 10 December 2013

2013-12-10T06:06:25Z

← Older revision		Revision as of 07:06, 10 December 2013
Line 11:		Line 11:
	Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:		Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:

	~~<quote>~~
	Hi,		Hi,

	Could I ~~please~~ have ~~the following~~ new ~~devices~~ added to the LAN Database as follows please:		Could I have a new device added to the LAN Database as follows please:

	Object name: ~~production~~		Object name: (DNS prefix, e.g. uryserver3)

	Machine type: Unsupported Office PC		Machine type: Unsupported Office PC
	Operating System: ~~Windows XP~~
	Department/contact: Students Union / ~~Lloyd Wallis~~		Operating System: (OS and Version e.g. FreeBSD 10.0)

			Department/contact: Students Union / (Your Name)

	Location: V/URY		Location: V/URY

	Interface type: Ethernet		Interface type: Ethernet
	MAC address: ~~00:50:04:41:05:36~~
			MAC address: (The MAC address)

	Attachment Point: ury		Attachment Point: ury
	~~IP address: 144.32.64.178~~
	~~Gateway: 144.32.64.161~~

	~~Object name: wallpc1~~
	~~Machine type: Unsupported Office PC~~
	~~Operating System: Windows XP~~
	~~Department/contact: Students Union / Lloyd Wallis~~
	~~Location: V/URY~~
	~~Interface type: Ethernet~~
	~~MAC address: 00:19:d1:89:36:a9~~
	~~Attachment Point: ury~~
	~~IP address: 144.32.64.179~~
	~~Gateway: 144.32.64.161~~

	~~Object name: wallpc2~~		IP address: 144.32.64.xxx (or 10.64.160.xxx)
	~~Machine type: Unsupported Office PC~~
	~~Operating System: Windows 7~~		Gateway: 144.32.64.161 (or 10.64.160.xxx)
	~~Department/contact: Students Union / Lloyd Wallis~~
	~~Location: V/URY~~
	~~Interface type: Ethernet~~		(Your Signoff Here)
	~~MAC address: 00:19:d1:89:2c:79~~
	~~Attachment Point: ury~~
	IP address: 144.32.64.~~180~~
	Gateway: 144.32.64.161


	~~Cheers,~~
	~~Lloyd~~
	~~</quote>~~

	==== SAMBA NOTES ====		==== SAMBA NOTES ====

7449 at 06:02, 10 December 2013

2013-12-10T06:02:51Z

← Older revision		Revision as of 07:02, 10 December 2013
Line 11:		Line 11:
	Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:		Men & Mice, The LAN Database, or The Evil Central Repository of Stupid, is the central IT Service database of devices that use the campus network (excluding NAS and eduroam devices). They will set you on fire if you put a device into production without telling them it exists. Create a Footprints (using either https://footprints.york.ac.uk or emailing itsupport@york.ac.uk) that looks similar to the following:

	<~~code~~>		<quote>
	Hi,		Hi,

Line 52:		Line 52:
	Cheers,		Cheers,
	Lloyd		Lloyd
	</~~code~~>		</quote>

	==== SAMBA NOTES ====		==== SAMBA NOTES ====