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\" &g...
Cloudflare https://1.1.1.1/purge-cache Google https://dns.google/cache OpenDNS https://cachecheck.opendns.com Linux DNS缓存 sudo systemd-re...
