【bug】ubuntu20.04 orin nx Temporary failure resolving ‘ports.ubuntu.com‘
问题：ubuntu20.04 Jetson orin nx 下载时遇到问题Temporary failure resolving ‘ports.ubuntu.com’
解决：
sudo bash -c \'echo \"nameserver 8.8.8.8\" > /etc/resolv.conf\'sudo bash -c \'echo \"nameserver 8.8.4.4\" >> /etc/resolv.conf\'
