cocoapods permission issue in High Sierra?
I had the same problem after upgrading to macOS High Sierra and got it fixed with following commands (note, you need to use sudo to run as super user):
sudo gem update --systemsudo gem install cocoapods -n/usr/local/binGood luck!
After upgrading to macOS High Sierra, get it fixed with following commands:
sudo gem install cocoapods
Finally I found a solution after a lot of search.
1: Update your terminal to the latest version.
2: Download and Update RubyGems to the latest version from: https://rubygems.org/pages/download
3: Thin I update my pod file. through pod update.