Instead of detailed instructions, provide link to official Ruby docs

77b36169 · Evan Read · Achilleas Pipinellis · f825d52e · 77b36169 · 77b36169
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -218,18 +218,7 @@ below to use a system Ruby.
 Linux distributions generally have older versions of Ruby available, so these
 instructions are designed to install Ruby from the official source code.

-Download Ruby and compile it:
-
-```shell
-mkdir /tmp/ruby && cd /tmp/ruby
-curl --remote-name --location --progress-bar "https://cache.ruby-lang.org/pub/ruby/3.0/ruby-3.0.5.tar.gz"
-echo '9afc6380a027a4fe1ae1a3e2eccb6b497b9c5ac0631c12ca56f9b7beb4848776 ruby-3.0.5.tar.gz' | sha256sum -c - && tar xzf ruby-3.0.5.tar.gz
-cd ruby-3.0.5
-
-./configure --disable-install-rdoc --enable-shared
-make
-sudo make install
-```
+[Install Ruby](https://www.ruby-lang.org/en/documentation/installation/).

 ## 3. Go


--- a/doc/update/upgrading_from_source.md
+++ b/doc/update/upgrading_from_source.md
@@ -58,21 +58,10 @@ sudo service gitlab stop

 ### 3. Update Ruby

-From GitLab 15.10, we only support Ruby 3.0 or higher and dropped support for Ruby 2.7. Be sure to upgrade if necessary.
+From GitLab 15.10, we only support Ruby 3.0.x and dropped support for Ruby 2.7. Be sure to upgrade if necessary.
 You can check which version you are running with `ruby -v`.

-Download Ruby and compile it:
-
-```shell
-mkdir /tmp/ruby && cd /tmp/ruby
-curl --remote-name --location --progress-bar "https://cache.ruby-lang.org/pub/ruby/3.0/ruby-3.0.5.tar.gz"
-echo '9afc6380a027a4fe1ae1a3e2eccb6b497b9c5ac0631c12ca56f9b7beb4848776 ruby-3.0.5.tar.gz' | sha256sum -c - && tar xzf ruby-3.0.5.tar.gz
-cd ruby-2.7.6
-
-./configure --disable-install-rdoc --enable-shared
-make
-sudo make install
-```
+[Install Ruby](https://www.ruby-lang.org/en/documentation/installation/).

 ### 4. Update Node.js