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NFS on OS X Network
Does anyone know if OS X is going to support NFS v3 or v2?

[Editor's note: See the comments for the answer!]
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Override Host name assigned by DHCP? Network
My friend is running DHCP at his house. I noticed that it also assigns an Host name to OS X. How do I override this host name? While DHCP is enabled, the Host name field is grayed out.

[see the comments for a solution]
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identd function not working in IRC Network
If you are an IRC user, and you notice that your identd function only seems to work when you're logged in as root, head on over to this thread on the MacFixIt forums for a quick edit fix to make it functional again.

I've also noted the how-to in the body of this article just for posterity, but please, support all the Mac sites by reading the original over on MacFixIt!
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Protect your machine with TCP wrapper Network
TCP Wrapper allows you to protect your machine's daemon, such as FTP, telnet, etc. It's a filter that use IP numbers and hostnames to restrict access. TCP Wrapper is already in MacOS X, but the configuration file is not provided, so there is no protection at all, and there won't be until you create one and edit it to suit your needs.

You can see a sample hosts.allow file at this URL:

http://www.patpro.net/images/hosts.allow

Copy this file into /etc/ and edit it. How to configure the file is pretty obvious as soon as you take a look into it so I don't detail this part (the file is commented with basic instructions).

WARNING: Be really careful when working on a remote machine, messing up the hosts.allow can prevent you from connecting again to that computer.
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Change network config without rebooting Network
One giant step backward for OS X (beta, at least) is the need to restart when you tweak the network settings. This was always something I was able to mock Windows for - touch the Network control panel, reboot.

Luckily, UNIX gives the power to get around this (for the most part, there have been reports that not all pieces are restarted).

Contributed to osxfaq.com, this article explains how to create a stop and restart shell script for network services.
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