Install ruby-mixlib-shellout by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-mixlib-shellout
Description:
mixin library for subprocess management, output collection
Provides a simplified interface to shelling out yet still collecting both standard out and standard error and providing full control over environment, working directory, uid, gid, etc. . No means for providing interaction with the subprocess is provided, apart from a simple string as input.
Homepage: https://github.com/opscode/mixlib-shellout
Version: 2.2.6-1
Section: universe/ruby