OS X DirectoryService UUID case sensitivity

Written by jgraham on 19.08.2010 | Servers

I recently ran into an issue where some new users with LDAP based accounts did not see any CUPS shared printers.
The solution turned out to be case sensitivity of the apple-generateduid attribute.

Xerox Phaser 6120 on Mac OS X 10.6 “Snow Leopard”

Written by jgraham on 04.09.2009 | Uncategorized

Update: It appears that Xerox is now distributing a 10.6 “Snow Leopard” driver package on their website.

According to the Xerox website the Phaser 6120 is not supported in Snow Leopard. However if one downloads the custom PPD file from the OpenPrinting database the printer works perfectly.
Full instructions follow:

Creating an empty git branch and pushing it remotely

Written by jgraham on 08.08.2009 | Uncategorized

Say you wanted to create an empty branch of an existing git repository.  That is a new branch with no history, say to track your project docs.

Checking for DNS Poisoning Vulnerability

Written by jgraham on 15.07.2008 | Servers

Just a quick way to test and see if your DNS servers are vulnerable to the latest DNS Cache Poisoning vulnerability (CVE-2008-1447).
From: https://www.dns-oarc.net/oarc/services/porttest
$ dig @4.2.2.3 +short porttest.dns-oarc.net TXT
Replacing 4.2.2.3 with the IP address of your DNS server(s).

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