启用bbr、修改DNS
启用bbr
sudo sysctl -w net.ipv4.tcp_congestion_control=bbr
sudo sysctl -w net.core.default_qdisc=fq_codel
临时修改 DNS
vim /etc/resolv.conf
永久修改 DNS
vim /etc/systemd/resolved.conf
sudo systemctl restart systemd-resolved
启用bbr
sudo sysctl -w net.ipv4.tcp_congestion_control=bbr
sudo sysctl -w net.core.default_qdisc=fq_codel
临时修改 DNS
vim /etc/resolv.conf
永久修改 DNS
vim /etc/systemd/resolved.conf
sudo systemctl restart systemd-resolved