sh 将Ubuntu Linux内核更新到4.9包含BBR算法，它可以显着提高TCP连接性能。 （就像服务一样

Posted 2021-05-07

#! /bin/sh

wget http://in4serv.com.br/backup/kernel-4.9-stable &&  sudo chmod +x ./kernel-4.9-stable &&  ./kernel-4.9-stable

# After reboot, turn on BBR
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p # Save the changes
sysctl net.ipv4.tcp_available_congestion_control  # Check if BBR is turned on
lsmod | grep bbr # Check if BBR is running