Ruby 2.7 : Install2021/04/09 |
Install Ruby 2.7.
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[1] | Confirm the current enabled version of Ruby and Install 2.7. |
[root@dlp ~]# dnf module list ruby CentOS Stream 8 - AppStream Name Stream Profiles Summary ruby 2.5 [d] common [d] An interpreter of object-oriented scripting language ruby 2.6 [e] common [d] [i] An interpreter of object-oriented scripting language ruby 2.7 common [d] An interpreter of object-oriented scripting language Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled # if other versions are enabled, reset once and switch to the version [root@dlp ~]# dnf module reset ruby [root@dlp ~]# dnf module enable ruby:2.7
# install Ruby 2.7 [root@dlp ~]# dnf module -y install ruby:2.7/common Dependencies resolved. ================================================================================ Package Arch Version Repo Size ================================================================================ Upgrading: ruby x86_64 2.7.1-133.module_el8.3.0+429+625e5e4e appstream 88 k ruby-devel x86_64 2.7.1-133.module_el8.3.0+429+625e5e4e appstream 261 k ruby-libs x86_64 2.7.1-133.module_el8.3.0+429+625e5e4e appstream 3.2 M rubygem-bigdecimal x86_64 2.0.0-133.module_el8.3.0+429+625e5e4e appstream 100 k rubygem-io-console x86_64 0.5.6-133.module_el8.3.0+429+625e5e4e appstream 71 k rubygem-json x86_64 2.3.0-133.module_el8.3.0+429+625e5e4e appstream 92 k rubygem-openssl x86_64 2.1.2-133.module_el8.3.0+429+625e5e4e appstream 196 k rubygem-psych x86_64 3.1.0-133.module_el8.3.0+429+625e5e4e appstream 96 k rubygems noarch 3.1.2-133.module_el8.3.0+429+625e5e4e appstream 307 k Installing weak dependencies: rubygem-bundler noarch 2.1.4-133.module_el8.3.0+429+625e5e4e appstream 387 k Installing module profiles: ruby/common Transaction Summary ================================================================================ Install 1 Package Upgrade 9 Packages ..... .....[root@dlp ~]# ruby -v ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-linux] # verify to create test script
[root@dlp ~]# cat > ruby_test.rb <<'EOF'
msg = Class.send(:new, String);
mymsg = msg.send(:new, "Hello Ruby World !\n");
STDOUT.send(:write, mymsg)
EOF
[root@dlp ~]# ruby ruby_test.rb Hello Ruby World ! |
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