Oracle Linux | “Peer’s certificate issuer has been marked as not trusted by the user.”

Recently I was trying to update one of the Oracle Linux 7 boxes that is used for lab & came across multiple errors.

OCI : Yum Fails with [Errno 14] curl#6 - "Could not resolve host: yum-iad.$ocidomain; Unknown error"
[Errno 14] curl#60 - "Peer's certificate issuer has been marked as not trusted by the user."

I kept on doing almost everything yum was suggesting, disable the repos, cleaning etc. Yes, I did ping both & to “insure” that I was connected to “internet” (I’m still struggling to figure out how the heck I managed to ping these hosts when I was actually unable to connect to Oracle mirrors)

However, after exhausting more than couple of hours, I decided to access the server through VNC & see whether I am missing something, that cannot be done from the command line.

Fired up Firefox & realized, I am not connected to “Internet” in real terms. I couldn’t open any pages and I proceeded with adding the static IP address to exclusion list and that was it.

So, if you ever come across the above mentioned errors, make sure you ARE connected!

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