[CentOS] I broke "yum update" - C7

Fri Aug 30 15:17:57 UTC 2019
Gary Stainburn <gary.stainburn at ringways.co.uk>

On Friday 30 August 2019 16:04:51 Gordon Messmer wrote:
> On 8/30/19 5:52 AM, Gary Stainburn wrote:
> > Incidentally, the*good*  server that I was referencing my broken server against has decided to start giving the curl certificate errors in the same way that the broken one did. Very strange.  I ran
> It's possible that the error is unrelated to the ca-certificates file.  
> You'll only see it if yum selects a mirror that uses a Let's Encrypt or 
> Amazon-signed certificate (at least, those were the CAs for the hosts I 
> saw you report errors for).  If yum happens to select mirrors that 
> don't, then everything will work normally.  Reinstalling the package on 
> the original system may have been coincidental.

Hi Gordon,

That would make a great deal of sense, and fits in with the external influence which would explain why it's suddenly appearing on both servers.

However, when I re-installed ca-certificates it immediately fixed the problem on both boxes, which implies an internal problem.