WEBrickを停止する

$ id
uid=501(rails) gid=501(rails) groups=501(rails)
$

$ ps awux | grep -v grep | grep 'rails server'
rails 2776 0.0 7.8 539068 80132 ? Sl 00:11 0:00 /usr/local/rbenv/versions/2.2.1/bin/ruby bin/rails server -d -b 0.0.0.0

$ ps awux | grep -v grep | grep 'rails server' | awk '{print $2}'
2776
$

$ ps awux | grep -v grep | grep 'rails server'
rails 2776 0.0 7.8 539068 80132 ? Sl 00:11 0:00 /usr/local/rbenv/versions/2.2.1/bin/ruby bin/rails server -d -b 0.0.0.0

$ kill ps awux | grep -v grep | grep 'rails server' | awk '{print $2}'
$