The Network Utility
Now we come to my favorite - Network Utility. We have already discussed it a little, regarding verifying internet connectivity, but it is good for more than that. Network Utility is used to test or view the parameters of your current network. With Network Utility, you can check your connectivity; you can view tracert, ping, lookup, whois, finger, and even port scan.
There is one more handy little helper in your arsenal, a log for all your errors, and oopsies. Console is good for troubleshooting. This program displays the contents of the /private/var/tmp/console.log. This log file creates itself every time you login and it deleted every time you log out or restart, so if you are having trouble, itsit is best to view or print the log ASAP.
There are also two different ways you can log in, much like Windows Safe Mode. In many troubleshooting instances, you need to boot to this safer, less wonderful mode in order to diagnose and fix the problem. In this case, you will use one of the two modes:
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