cd to the podfile folder and execute:

$ pod install

Command returns:

-bash: pod: command not found

Cannot install third parties

I want to update pod
sudo gem update --system
But I don’t have permission
Operation not permitted - /usr/bin/update_rubygems

OSX 10.11 path problem, being solved

Resolved (Podfile format, pod official websitehttps://cocoapods.org/）
platform: ios, '8.0'

use_frameworks! You need to use it individually, such as reactiveCocoa

def pods
pod 'AFNetworking', '~> 2.6'
pod 'ORStackView', '~> 3.0'
pod 'SwiftyJSON', '~> 2.3'
end
target 'MyApp' do
pods
end