安装
sudo apt-get update && sudo apt-get install mesa-utils如果没有更换阿里云源
deb http:///ubuntu/ bionic main restricted universe multiverse
deb http:///ubuntu/ bionic-security main restricted universe multiverse
deb http:///ubuntu/ bionic-updates main restricted universe multiverse
deb http:///ubuntu/ bionic-proposed main restricted universe multiverse
deb http:///ubuntu/ bionic-backports main restricted universe multiverse
deb-src http:///ubuntu/ bionic main restricted universe multiverse
deb-src http:///ubuntu/ bionic-security main restricted universe multiverse
deb-src http:///ubuntu/ bionic-updates main restricted universe multiverse
deb-src http:///ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http:///ubuntu/ bionic-backports main restricted universe multiverse
