On OSX (even though the HN title says linux, the original article title doesn't say "Linux" and many of the same steps apply to OSX server), you can't run dmesg

On OSX (even though the HN title says linux, the original article title doesn't say "Linux" and many of the same steps apply to OSX server), you can't run dmesg as a normal user -- you have to run it as root or within sudo