Rocky Linux ９にRuby 3.0 をインストールする

2022年10月27日

環境
# cat /etc/redhat-release
Rocky Linux release 9.0 (Blue Onyx)

操作方法
1.Ruby 3.0 をインストールします

# dnf -y install ruby

# dnf -y install ruby

2.rubyバージョンを確認します

# ruby -v

ruby 3.0.4p208 (2022-04-12 revision 3fa771dded) [x86_64-linux]

# ruby -v ruby 3.0.4p208 (2022-04-12 revision 3fa771dded) [x86_64-linux]

# ruby -v
ruby 3.0.4p208 (2022-04-12 revision 3fa771dded) [x86_64-linux]

3. テストスクリプトを作成します

# cat > test.rb <<'EOF'

msg = Class.send(:new, String);

mymsg = msg.send(:new, "Hello Ruby World,arkgame !\n");

STDOUT.send(:write, mymsg)

EOF

# cat > test.rb <<'EOF' msg = Class.send(:new, String); mymsg = msg.send(:new, "Hello Ruby World,arkgame !\n"); STDOUT.send(:write, mymsg) EOF

# cat > test.rb <<'EOF'
msg = Class.send(:new, String);
mymsg = msg.send(:new, "Hello Ruby World,arkgame !\n");
STDOUT.send(:write, mymsg)
EOF

4.スクリプトを実行します

# ruby test.rb

Hello Ruby World,arkgame !

# ruby test.rb Hello Ruby World,arkgame !

# ruby test.rb
Hello Ruby World,arkgame !

Posted by arkgame