通用篇

BBR加速脚本

wget -N --no-check-certificate "https://raw.githubusercontent.com/chiakge/Linux-NetSpeed/master/tcp.sh" && chmod +x tcp.sh && ./tcp.sh

CT SSH登录

yum install -y openssl openssh-server  #CentOS 8 以上可能需要安装
sed -i 's/^#Port 22/Port 22/' /etc/ssh/sshd_config
sed -i 's/^#PermitRootLogin/PermitRootLogin/' /etc/ssh/sshd_config
sed -i 's/^#PasswordAuthentication/PasswordAuthentication/' /etc/ssh/sshd_config
sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config
sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
reboot

开启自带 BBR

echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p

CentOS 篇

Debian 篇