From the course: Managing DNS Essential Training
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mDNSResponder logging levels in OS X
From the course: Managing DNS Essential Training
mDNSResponder logging levels in OS X
- [Voiceover] mDNSResponder is the process that OS 10 and OS 10 Server in 10.7 through 10.9, and again, in 10.11, use to resolve DNS queries. As such, if you're troubleshooting DNS, it's probably going to be helpful to know how to increase the log level so that process will report more than just errors in your logs. To do so, you're gonna need to type the following at a Command Prompt in the Mac OS 10 Terminal Application. We're going to start with sudo. And, we're gonna type kill all. I know that sounds violent, but it's not nearly as bad as it sounds. And then a space, and a dash, and a capital USR1, space, and then mDNSResponder. Type in your password, because of course, this is as a root, so you need to have the password for an Administrator. And, it returns with no feedback at all. It's just sort of sitting there. Now if you want to default this one out to just increasing the log levels, you're kind of done. But, you also have the ability here to change the log levels further…
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Windows DNS dynamic updates2m 47s
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Windows DNS auto PTR creation2m 7s
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OS X Server AAAA record conundrum2m 54s
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mDNSResponder logging levels in OS X2m 56s
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Reset Linux, Windows, and Mac DNS caches3m 14s
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Mac hosts file and resolv.conf explained2m 10s
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mDNSresponder options in Mac OS X4m 2s
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