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system/kernel.md

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+Check which kernet modules are loaded into memory
+
+> sudo /sbin/lsmod 
+
+Check which virtual box modules are loaded into memory
+
+> sudo /sbin/lsmod | grep vbox 
+
+Virtual box is using vboxpci, vboxnetadp, vboxnetflt, vboxdr.
+
+Look at what's claiming wifi:
+
+> sudo lshw -C network
+
+If this shows that the device is 'unclaimed' then it's time to add a module, e.g. ath9k.
+
+> sudo modprobe ath9k
+
+Modules can also be 'restarted' by removing and adding them, e.g. the video module, 'uvcvideo':
+
+> sudo rmmod uvcvideo
+
+> sudo modprobe uvcvideo
+
+