Sunday, October 30, 2011

Upgrade Ruby version which is installed with RVM


  • Get latest Ruby version for RVM
    • rvm get latest
  • Find out current Ruby version
    • rvm current (the string between first '-' and '@')
  • Find out new Ruby version
    • rvm list known
  • Upgrade
    • rvm upgrade [current version] [new version]

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[PostgreSQL] How to create read-only standby replica (follower)

This link  and this link explain it really well and concise