服务器搭建bbr加速

最新推荐文章于 2025-08-07 10:25:37 发布

原创

最新推荐文章于 2025-08-07 10:25:37 发布 · 1.8w 阅读

8 ·

CC 4.0 BY-SA版权

使用环境

虚拟化：KVM、Xen等，除了OpenVZ基本都行

系统：CentOS 6+，Debian 7+，Ubuntu 12+

内存：128MB以上

方法

使用root登陆VPS，输入下面命令：

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

完成后，提示重启，输入y并重启VPS。

bbr.sh脚本详细内容:

#!/usr/bin/env bash
#
# Auto install latest kernel for TCP BBR
#
# System Required:  CentOS 6+, Debian7+, Ubuntu12+
#
# Copyright (C) 2016-2018 Teddysun <i@teddysun.com>
#
# URL: https://teddysun.com/489.html
#

red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
plain='\033[0m'

cur_dir=$(pwd)

[[ $EUID -ne 0 ]] && echo -e "${red}Error:${plain} This script must be run as root!" && exit 1

[[ -d "/proc/vz" ]] && echo -e "${red}Error:${plain} Your VPS is based on OpenVZ, which is not supported." && exit 1

if [ -f /etc/redhat-release ]; then
    release="centos"
elif cat /etc/issue | grep -Eqi "debian"; then
    release="debian"
elif cat /etc/issue | grep -Eqi "ubuntu"; then
    release="ubuntu"
elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
    release="centos"
elif cat /proc/version | grep -Eqi "debian"; then
    release="debian"
elif cat /proc/version | grep -Eqi "ubuntu"; then
    release="ubuntu"
elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
    release="centos"
else
    release=""
fi

is_digit(){
    local input=${1}
    if [[ "$input" =~ ^[0-9]+$ ]]; then
        return 0
    else
        return 1
    fi
}

is_64bit(){
    if [ $(getconf WORD_BIT) = '32' ] && [ $(getconf LONG_BIT) = '64' ]; then
        return 0
    else
        return 1
    fi
}

get_valid_valname(){
    local val=${1}
    local new_val=$(eval echo $val | sed 's/[-.]/_/g')
    echo ${new_val}
}

get_hint(){
    local val=${1}
    local new_val=$(get_valid_valname $val)
    eval echo "\$hint_${new_val}"
}

#Display Memu
display_menu(){
    local soft=${1}
    local default=${2}
    eval local arr=(\${${soft}_arr[@]})
    local default_prompt
    if [[ "$default" != "" ]]; then
        if [[ "$default" == "last" ]]; then
            default=${#arr[@]}
        fi
        default_prompt="(default ${arr[$default-1]})"
    fi
    local pick
    local hint
    local vname
    local prompt="which ${soft} you'd select ${default_prompt}: "

    while :
    do
        echo -e "\n------------ ${soft} setting ------------\n"
        for ((i=1;i<=${#arr[@]};i++ )); do
            vname="$(get_valid_valname ${arr[$i-1]})"
            hint="$(get_hint $vname)"
            [[ "$hint" == "" ]] && hint="${arr[$i-1]}"
            echo -e "${green}${i}${plain}) $hint"
        done
        echo
        read -p "${prompt}" pick
        if [[ "$pick" == "" && "$default" != "" ]]; then