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USB Keyboard stopped working on my Macbook Pro Retina

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This is the most weird incident i ever experienced concerning with OS/HW !

After my Macbook comes back from the sleep mode, the USB keyboard stopped reacting, seems the USB port even stopped providing 5V electricity.

What i did:

1- Plugged the keyboard to another USB port, it works!! So no problem with the keyboard

2- Plugged other USB devices to the problematic USB port, it works!! So no problem with the USB port

I also reset PRAM and SMC, but still this did not bring any difference.

After, i found out the following thead under Apple discussions:

Apple Community Thread

Seems i am not the one who is having that experience, that's good at least!:)

The solution is:

– Connect any USB extension cable between the keyboard and the USB port, and it works:

IMAG0786 IMAG0787

This is the most weird situation EVER!!

The question is: How long will i need to keep on using the USB extension, forever? 

 

 

Connecting to AWS EC2 instances without a private key

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Sometimes this may be required, here is the practical way to do that:

 

useradd -s /bin/bash -m -d /home/YOURUSER -g root YOURUSER

passwd YOURUSER

visudo

USERNAME  ALL=(ALL:ALL) ALL

vi /etc/ssh/sshd_config

PasswordAuthentication yes

/etc/init.d/ssh restart

 


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