Postgres could not connect to server

Postgres could not connect to server

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Rails: Installing PG gem on OS X - failure to build native extension

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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777

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how to solve "ruby installation is missing psych" error?

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Can not connect to local PostgreSQL

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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib

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How to tell if homebrew is installed on Mac OS X

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Rails 3 - can't install pg gem

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"gem install therubyracer -v '0.10.2'" on osx mavericks not installing

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An error occurred while installing pg (0.17.1), and Bundler cannot continue

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Why can't I install Rails on Lion using RVM?

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MySQL Install: ERROR: Failed to build gem native extension

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Ruby Gems Not Installing, Hangs While Getting Gems

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ruby-on-rails