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keypair .cer file not .pem

when i download keypair i’m getting .cer file not .pem and getting permission denied exception when tried to login using ssh


Hi Visha, .cer file can work same as .pem file. If you get Error message "Permissions 0644 for ‘yourkey.pem’ are too open". This is not a problem with cer or pem file extension. You need to change a proper permissions for your key file, e.g. chmod 400 yourkey.cer. Now you should be able to ssh into your instance.


By the way, I am still trying to find the reason why some ppl downloaded the .cer key pair file. Really appreciate if anyone can explain this to me.

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