MAC OS 10.11 Update ruby

1. Install Cocoapods,ruby version of the low-"start updating ruby-" began to update the gem, this is a no return AH comrades, all kinds of permission denied, various paths do not exist, various paths do not have read and write permissions, various unsuccessful!

2. Comfortable and elegant way: (ref:1190000003784636)

What is RVM? Why install RVM, because RVM lets you have multiple versions of Ruby and can switch freely between multiple versions.
First step: Install RVM

$ curl -L get.rvm.io | bash -s stable$ source ~/.rvm/scripts/rvm

• Wait for the terminal to load, and then enter:

rvm -v

If the version can be displayed, the installation is successful.

Step Two: Install Ruby (cocoapods requires 2.2.0 or more)

• List the version information that Ruby can install

rvm list known

• Install a ruby version

rvm install 2.1.4

If you want to set as the default version, you can use this command to complete

rvm use 2.1.4 --default

• View the installed Ruby

rvm list

• Uninstall an installed Ruby version

rvm remove 2.1.4

 

MAC OS 10.11 Update ruby