ERROR: Could not find a valid gem 'cocoapods' (>= 0) in any repository
一。 sudo gem install cocoapods 之后有一個錯誤： ERROR: Could not find a valid gem 'cocoapods' (>= 0) in any repository 排除錯誤 : 1.安裝command line tools ...
原文：Could not find a valid gem 'redis' (= 0)
Could not find a valid gem redis 報錯詳情如下 ERROR: Could not find a valid gem redis gt , here is why: Unable to download data from https: rubygems.org SSL connect SYSCALL returned errno state SSLv v read ...
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