What is RVM? | Install Ruby Version Manager on Ubuntu

Описание: In this video, we learn:
✅ What is RVM (Ruby Version Manager)
✅ Why developers use RVM
✅ How to install RVM on Ubuntu step by step
✅ Example of switching Ruby versions and using gemsets

🔗 Commands used in this video:
1. gpg --keyserver keyserver.ubuntu.com --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB

2. \curl -sSL https://get.rvm.io | bash
3. source ~/.rvm/scripts/rvm
4. rvm list
5. rvm install 3.2.2
6. rvm use 3.2.2 --default

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