New answers tagged macbook-air
My MacBook Air mid 2012 with OS X 10.8.3 does have the External Audio-IN capability. It is just bit hidden and not well explained by Big Apple. As you can read it suggest to use the iPhone headset (with microphone. Digging in to that one finds out that it is the audio plug (hardware) that is special. One could be stubborn in wanting to use your ...
I found CPU LEd, a free app, on the app store, with lots of good reviews. It puts a little green, amber, red icon on my menu bar showing CPU load. If it goes RED I think I will notice it.
Application ► Utilities ► Activity Monitor or Terminal ► top or ps The command top will generally show you the information given in the Activity Monitor ordered by the processes using the most resources (like CPU-Time). For more information on the top and ps commands prepend "man" eg; man top.
Open a terminal window and type "top" this will give you several stats including usage. From a graphical standpoint you can use iStat which will tell you this and a whole lot more, and may be worth the $16 if you also want to monitor things like temp, memory usage, network throughput, etc.
You'd need to capture in promiscuous or monitor mode; not all Wi-Fi adapters and their drivers handle promiscuous mode, but many of them handle monitor mode, including the adapters in various flavors of MacBook and the OS X drivers for them. If the network is encrypted (WEP/WPA), monitor mode traffic will be encrypted, and you will have to arrange that ...
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