How to install the latest Ruby using rbenv


How to install the latest Ruby using rbenv


rbenv install --list-all

Check current version list Those who already have the latest version here do not need the last update.

If you don’t have the latest version

update brew

brew update

update ruby-build

brew upgrade ruby-build

Installing the latest version

The latest stable version at the moment was 3.2.1

rbenv install 3.2.1

If an error occurs

To follow progress, use 'tail -f /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.log' or pass --verbose
Downloading openssl-3.0.8.tar.gz...
Installing openssl-3.0.8...
Installed openssl-3.0.8 to /Users/xxx/.rbenv/versions/3.2.1

Downloading ruby-3.2.1.tar.gz...
Installing ruby-3.2.1...
ruby-build: using readline from homebrew
ruby-build: using gmp from homebrew

BUILD FAILED (macOS 11.4 using ruby-build 20230208.1)

Inspect or clean up the working tree at /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.7pCUnp
Results logged to /var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.log

Last 10 log lines:
Check ext/psych/mkmf.log for more details.
*** Fix the problems, then remove these directories and try again if you want.
Generating RDoc documentation
/private/var/folders/19/c1__d35d5jg150mc700fgfm80000gn/T/ruby-build.20230212124132.58816.7pCUnp/ruby-3.2.1/lib/yaml.rb:3: warning: It seems your ruby installation is missing psych (for YAML output) .
To eliminate this warning, please install libyaml and reinstall your ruby.
uh-oh! RDoc had a problem:
cannot load such file -- psych

If you get an error like the one above

brew install libyaml

after doing

rbenv install 3.2.1

You can install it by rerunning