rails install pg - Can't find the 'libpq-fe.h header

Solution 1:

Just make this

$ sudo apt-get install libpq-dev

Solution 2:

This is answered in Can't find the 'libpq-fe.h header when trying to install pg gem

Depending on your environment:

  • Mac: brew install postgresql
  • Ubuntu: sudo apt-get install libpq-dev
  • RHEL: yum install postgresql-devel

Then run gem install pg again

Solution 3:

Try this:

  1. brew install postgresql
  2. gem install pg
  3. bundle install