1. Avaliable Group 하위 Development Tools 존재 확인yum group list(base) [root@aicloud /]$ yum group listLoaded plugins: fastestmirror, langpacksLoading mirror speeds from cached hostfile * epel: ftp.kaist.ac.krmariadb | 3.4 kB 00:00(1/2): mariadb/primary_db | 79 kB 00:01(2/2): mariadb/updateinfo ..