一键安装BBR:

wget -N --no-check-certificate https://github.com/teddysun/across/raw/master/bbr.sh && chmod +x bbr.sh && bash bbr.sh

检查BBR是否启动

uname -r
#查看内核版本,含有 4.9.0 就表示 OK 了
# ==============================================
sysctl net.ipv4.tcp_available_congestion_control
# 返回值一般为:
# net.ipv4.tcp_available_congestion_control = bbr cubic reno
# ==============================================
sysctl net.ipv4.tcp_congestion_control
# 返回值一般为:
# net.ipv4.tcp_congestion_control = bbr
# ==============================================
sysctl net.core.default_qdisc
# 返回值一般为:
# net.core.default_qdisc = fq
# ==============================================
lsmod | grep bbr
# 返回值有 tcp_bbr 模块即说明bbr已启动