Tweak Your Launchd With Lingon

Thursday, July 31, 2008

In a previous post I showed how to write some custom firewall rules, and use a hack to get it to load automatically. With Leopard the hack to load it broke.

In steps a great new app for the system tweaker called Lingon ( This handy little app lets you configure plist files and install them with just a few clicks.

Just select new, give it a name, give it a command to execute, select from a list of options how you want to to run and away you go. It even has an expert mode to dig deeper.


Password Free Logins Over ssh (Part 2)

Friday, March 30, 2007

In the last post I suggested you add a passphrase to keep your private key secure. The problem with this is that now you have traded entering a password for entering a passphrase which is most likely longer. Doesn’t seem like such a great trade off.

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DNS Change Regression Testing

Wednesday, March 28, 2007

For those who have needed to make a bunch of DNS changes and want to verify what the effect of those changes are, here is a little shell script that does a sort of regression test. Basically, it tells you what changes were made to a zone so you can see if any major mistakes were made.

The usage is simple try dnscheck -? for a list of options. It isn’t the fanciest thing in the world, but for those who need it, it might be helpful.

Open it in your favorite text editor to set the basic configuration options and make it executable and you are on your way.

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