$ gem update
Updating installed gems
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
bad response Not Found 404 (https://rubygems.global.ssl.fastly.net/specs.4.8.gz)
Hosting returns 404 error that makes me believe something is going on with the server
$ curl --head https://rubygems.global.ssl.fastly.net/specs.4.8.gz
HTTP/1.1 404 Not Found
x-amz-request-id: C41566920E98D829
x-amz-id-2: fMPcB8ljYgN0sncbwyTgXhkmsoSv6blMrvy7xOWcZOK3Hp84T20z9Hnw0SMLLAOimU3rf8wTN2c=
Content-Type: application/xml
Server: AmazonS3
Via: 1.1 varnish
Fastly-Debug-Digest: 2c1ffdbd8789c929d9c10464b9ae62464de80d8b521353ecd6100fc845d88242
Content-Length: 320
Accept-Ranges: bytes
Date: Thu, 31 Dec 2015 22:40:23 GMT
Via: 1.1 varnish
Age: 2635
Connection: keep-alive
X-Served-By: cache-iad2138-IAD, cache-sjc3128-SJC
X-Cache: HIT, HIT
X-Cache-Hits: 22, 390
X-Log-Message: for=request method=HEAD path=/production.s3.rubygems.org/specs.4.8.gz fwd="76.198.28.160" status=404 bytes=320 cache=HIT, HIT cache_hits=22, 390 timing="(null)"
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