Error: Cannot retrieve repository metadata when doing a yum upgrade

Reply :~Why have you changed the repo configs by commenting out "mirrorlist" and explicitly specifying the main repo? Bad idea - the main repo is quite busy being a source for mirrors, and for others using your approach. If you can't or don't want to use fastestmirror because of a proxy, then specify a mirror near you, and possibly add alternatives by additional lines following baseurl with mirror URLs preceeded by whitespace (<TAB>). You may also want to specify failovermethod=priority or it will default to roundrobin.
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Posts similar to Error: Cannot retrieve repository metadata when doing a yum upgrade

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