ubuntu 20.04.1 安装 mariadb 10
installmariadb-server官方参考文档sudoapt-getinstallsoftware-properties-commonsudoapt-keyadv--fetch-keys'https://mariadb.org/mariadb_release_signing_key.asc'sudoadd-apt-repository'deb[arch=amd64,arm64,ppc64el]https://mirrors.ustc.e