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tcp.sh
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#!/usr/bin/env bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
#=================================================
# System Required: CentOS 6+,Debian7+,Ubuntu12+
# Description: BBR+BBR魔改版+Lotserver
# Version: 1.0.6
# Author: 千影
# Blog: https://www.94ish.me/
#=================================================
sh_ver="1.0.6"
github="raw.githubusercontent.com/chiakge/Linux-NetSpeed/master"
Green_font_prefix="\033[32m" && Red_font_prefix="\033[31m" && Green_background_prefix="\033[42;37m" && Red_background_prefix="\033[41;37m" && Font_color_suffix="\033[0m"
Info="${Green_font_prefix}[信息]${Font_color_suffix}"
Error="${Red_font_prefix}[错误]${Font_color_suffix}"
Tip="${Green_font_prefix}[注意]${Font_color_suffix}"
#安装BBR内核
installbbr(){
kernel_version="4.11.8"
if [[ "${release}" == "centos" ]]; then
rpm --import http://${github}/bbr/${release}/RPM-GPG-KEY-elrepo.org
yum install -y http://${github}/bbr/${release}/${version}/${bit}/kernel-ml-${kernel_version}.rpm
yum remove -y kernel-headers
yum install -y http://${github}/bbr/${release}/${version}/${bit}/kernel-ml-headers-${kernel_version}.rpm
yum install -y http://${github}/bbr/${release}/${version}/${bit}/kernel-ml-devel-${kernel_version}.rpm
elif [[ "${release}" == "debian" || "${release}" == "ubuntu" ]]; then
mkdir bbr && cd bbr
wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/linux-headers-${kernel_version}-all.deb
wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/${bit}/linux-headers-${kernel_version}.deb
wget -N --no-check-certificate http://${github}/bbr/debian-ubuntu/${bit}/linux-image-${kernel_version}.deb
dpkg -i linux-headers-${kernel_version}-all.deb
dpkg -i linux-headers-${kernel_version}.deb
dpkg -i linux-image-${kernel_version}.deb
cd .. && rm -rf bbr
fi
detele_kernel
BBR_grub
echo -e "${Tip} 重启VPS后，请重新运行脚本开启${Red_font_prefix}BBR/BBR魔改版${Font_color_suffix}"
stty erase '^H' && read -p "需要重启VPS后，才能开启BBR/BBR魔改版，是否现在重启 ? [Y/n] :" yn
[ -z "${yn}" ] && yn="y"
if [[ $yn == [Yy] ]]; then
echo -e "${Info} VPS 重启中..."
reboot
fi
}
#安装Lotserver内核
installlot(){
if [[ "${release}" == "centos" ]]; then
rpm --import http://${github}/lotserver/${release}/RPM-GPG-KEY-elrepo.org
yum remove -y kernel-firmware
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-firmware-${kernel_version}.rpm
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-${kernel_version}.rpm
yum remove -y kernel-headers
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-headers-${kernel_version}.rpm
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-devel-${kernel_version}.rpm
elif [[ "${release}" == "ubuntu" ]]; then
mkdir bbr && cd bbr
wget -N --no-check-certificate http://${github}/lotserver/${release}/${bit}/linux-headers-${kernel_version}-all.deb
wget -N --no-check-certificate http://${github}/lotserver/${release}/${bit}/linux-headers-${kernel_version}.deb
wget -N --no-check-certificate http://${github}/lotserver/${release}/${bit}/linux-image-${kernel_version}.deb
dpkg -i linux-headers-${kernel_version}-all.deb
dpkg -i linux-headers-${kernel_version}.deb
dpkg -i linux-image-${kernel_version}.deb
cd .. && rm -rf bbr
elif [[ "${release}" == "debian" ]]; then
mkdir bbr && cd bbr
wget -N --no-check-certificate http://${github}/lotserver/${release}/${bit}/linux-image-${kernel_version}.deb
dpkg -i linux-image-${kernel_version}.deb
cd .. && rm -rf bbr
fi
detele_kernel
BBR_grub
echo -e "${Tip} 重启VPS后，请重新运行脚本开启${Red_font_prefix}Lotserver${Font_color_suffix}"
stty erase '^H' && read -p "需要重启VPS后，才能开启Lotserver，是否现在重启 ? [Y/n] :" yn
[ -z "${yn}" ] && yn="y"
if [[ $yn == [Yy] ]]; then
echo -e "${Info} VPS 重启中..."
reboot
fi
}
#启用BBR
startbbr(){
remove_all
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p
echo -e "${Info}BBR启动成功！"
}
#编译并启用BBR魔改
startbbrmod(){
remove_all
if [[ "${release}" == "centos" ]]; then
yum install -y make gcc
mkdir bbrmod && cd bbrmod
wget -N --no-check-certificate http://${github}/bbr/tcp_tsunami.c
echo "obj-m:=tcp_tsunami.o" > Makefile
make -C /lib/modules/$(uname -r)/build M=`pwd` modules CC=/usr/bin/gcc
chmod +x ./tcp_tsunami.ko
cp -rf ./tcp_tsunami.ko /lib/modules/$(uname -r)/kernel/net/ipv4
insmod tcp_tsunami.ko
depmod -a
else
apt-get update
if [[ "${release}" == "ubuntu" && "${version}" = "14" ]]; then
apt-get -y install build-essential
apt-get -y install software-properties-common
add-apt-repository ppa:ubuntu-toolchain-r/test -y
apt-get update
fi
apt-get -y install make gcc-4.9
mkdir bbrmod && cd bbrmod
wget -N --no-check-certificate http://${github}/bbr/tcp_tsunami.c
echo "obj-m:=tcp_tsunami.o" > Makefile
make -C /lib/modules/$(uname -r)/build M=`pwd` modules CC=/usr/bin/gcc-4.9
install tcp_tsunami.ko /lib/modules/$(uname -r)/kernel
cp -rf ./tcp_tsunami.ko /lib/modules/$(uname -r)/kernel/net/ipv4
depmod -a
fi
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=tsunami" >> /etc/sysctl.conf
sysctl -p
cd .. && rm -rf bbrmod
echo -e "${Info}魔改版BBR启动成功！"
}
#启用Lotserver
startlotserver(){
remove_all
wget --no-check-certificate -O appex.sh https://raw.githubusercontent.com/0oVicero0/serverSpeeder_Install/master/appex.sh && chmod +x appex.sh && bash appex.sh install
rm -f appex.sh
memory=`cat /proc/meminfo |grep 'MemTotal' |awk -F : '{print $2}' |sed 's/^[ \t]*//g' | awk '{print $1}'`
memory1=`expr ${memory} / 1024`
memory2=`expr ${memory1} \* 8`
cpucore=`cat /proc/cpuinfo | grep “processor” | wc -l`
ping1=`ping 140.205.230.3 -s 1000 -c 10 | awk -F"[= ]*" '/from/{sum+=$(NF-1);}END{print sum/10;}' | awk -F "." '{print $1}'`
sed -i '/initialCwndWan/d' /appex/etc/config
sed -i '/l2wQLimit/d' /appex/etc/config
sed -i '/w2lQLimit/d' /appex/etc/config
sed -i '/SmBurstMS/d' /appex/etc/config
sed -i '/engineNum/d' /appex/etc/config
sed -i '/shortRttMS/d' /appex/etc/config
initialCwndWan=`expr ${ping1} / 3`
SmBurstMS=`expr ${ping1} / 9`
l2wQLimit="${memory1} ${memory2}"
echo -e "initialCwndWan=\"${initialCwndWan}\"
l2wQLimit=\"${l2wQLimit}\"
w2lQLimit=\"${l2wQLimit}\"
SmBurstMS=\"${SmBurstMS}\"
engineNum=\"${cpucore}\"
shortRttMS=\"${initialCwndWan}\"">>/appex/etc/config
bash /appex/bin/serverSpeeder.sh restart
start_menu
}
#卸载全部加速
remove_all(){
sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
if [[ -e /appex/bin/serverSpeeder.sh ]]; then
wget --no-check-certificate -O appex.sh https://raw.githubusercontent.com/0oVicero0/serverSpeeder_Install/master/appex.sh && chmod +x appex.sh && bash appex.sh uninstall
rm -f appex.sh
fi
clear
echo -e "${Info}:清除加速完成。"
sleep 1s
}
#优化系统配置
optimizing_system(){
sed -i '/fs.file-max/d' /etc/sysctl.conf
sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
sed -i '/net.core.wmem_max/d' /etc/sysctl.conf
sed -i '/net.core.rmem_default/d' /etc/sysctl.conf
sed -i '/net.core.wmem_default/d' /etc/sysctl.conf
sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
sed -i '/net.core.somaxconn/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_tw_recycle/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.conf
sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_mtu_probing/d' /etc/sysctl.conf
sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf
echo "# max open files
fs.file-max = 1024000
# max read buffer
net.core.rmem_max = 67108864
# max write buffer
net.core.wmem_max = 67108864
# default read buffer
net.core.rmem_default = 65536
# default write buffer
net.core.wmem_default = 65536
# max processor input queue
net.core.netdev_max_backlog = 4096
# max backlog
net.core.somaxconn = 4096
# resist SYN flood attacks
net.ipv4.tcp_syncookies = 1
# reuse timewait sockets when safe
net.ipv4.tcp_tw_reuse = 1
# turn off fast timewait sockets recycling
net.ipv4.tcp_tw_recycle = 0
# short FIN timeout
net.ipv4.tcp_fin_timeout = 30
# short keepalive time
net.ipv4.tcp_keepalive_time = 1200
# outbound port range
net.ipv4.ip_local_port_range = 10000 65000
# max SYN backlog
net.ipv4.tcp_max_syn_backlog = 4096
# max timewait sockets held by system simultaneously
net.ipv4.tcp_max_tw_buckets = 5000
# TCP receive buffer
net.ipv4.tcp_rmem = 4096 87380 67108864
# TCP write buffer
net.ipv4.tcp_wmem = 4096 65536 67108864
# turn on path MTU discovery
net.ipv4.tcp_mtu_probing = 1
# forward ipv4
net.ipv4.ip_forward = 1">>/etc/sysctl.conf
sysctl -p
echo "* soft nofile 512000
* hard nofile 1024000">/etc/security/limits.conf
echo "session required pam_limits.so">>/etc/pam.d/common-session
echo "ulimit -SHn 1024000">>/etc/profile
read -p "需要重启VPS后，才能生效系统优化配置，是否现在重启 ? [Y/n] :" yn
[ -z "${yn}" ] && yn="y"
if [[ $yn == [Yy] ]]; then
echo -e "${Info} VPS 重启中..."
reboot
fi
}
#更新脚本
Update_Shell(){
echo -e "当前版本为 [ ${sh_ver} ]，开始检测最新版本..."
sh_new_ver=$(wget --no-check-certificate -qO- "http://${github}/tcp.sh"|grep 'sh_ver="'|awk -F "=" '{print $NF}'|sed 's/\"//g'|head -1)
[[ -z ${sh_new_ver} ]] && echo -e "${Error} 检测最新版本失败 !" && start_menu
if [[ ${sh_new_ver} != ${sh_ver} ]]; then
echo -e "发现新版本[ ${sh_new_ver} ]，是否更新？[Y/n]"
read -p "(默认: y):" yn
[[ -z "${yn}" ]] && yn="y"
if [[ ${yn} == [Yy] ]]; then
wget -N --no-check-certificate http://${github}/tcp.sh && chmod +x tcp.sh
echo -e "脚本已更新为最新版本[ ${sh_new_ver} ] !"
else
echo && echo " 已取消..." && echo
fi
else
echo -e "当前已是最新版本[ ${sh_new_ver} ] !"
sleep 5s
fi
}
#开始菜单
start_menu(){
clear
echo && echo -e " TCP加速 一键安装管理脚本 ${Red_font_prefix}[v${sh_ver}]${Font_color_suffix}
-- 就是爱生活 | 94ish.me --
${Green_font_prefix}0.${Font_color_suffix} 升级脚本
————————————内核管理————————————
${Green_font_prefix}1.${Font_color_suffix} 安装 BBR/BBR魔改版内核
${Green_font_prefix}2.${Font_color_suffix} 安装 Lotserver(锐速)内核
————————————加速管理————————————
${Green_font_prefix}3.${Font_color_suffix} 使用BBR加速
${Green_font_prefix}4.${Font_color_suffix} 使用BBR魔改版加速
${Green_font_prefix}5.${Font_color_suffix} 使用Lotserver(锐速)加速
————————————杂项管理————————————
${Green_font_prefix}6.${Font_color_suffix} 卸载全部加速
${Green_font_prefix}7.${Font_color_suffix} 系统配置优化
${Green_font_prefix}8.${Font_color_suffix} 退出脚本
————————————————————————————————" && echo
check_status
if [[ ${kernel_status} == "noinstall" ]]; then
echo -e " 当前状态: ${Green_font_prefix}未安装${Font_color_suffix} 加速内核 ${Red_font_prefix}请先安装内核${Font_color_suffix}"
else
echo -e " 当前状态: ${Green_font_prefix}已安装${Font_color_suffix} ${_font_prefix}${kernel_status}${Font_color_suffix} 加速内核 , ${Green_font_prefix}${run_status}${Font_color_suffix}"
fi
echo
read -p " 请输入数字 [0-8]:" num
case "$num" in
0)
Update_Shell
;;
1)
check_sys_bbr
;;
2)
check_sys_Lotsever
;;
3)
startbbr
;;
4)
startbbrmod
;;
5)
startlotserver
;;
6)
remove_all
;;
7)
optimizing_system
;;
8)
exit 1
;;
*)
clear
echo -e "${Error}:请输入正确数字 [0-8]"
sleep 5s
start_menu
;;
esac
}
#############内核管理组件#############
#删除多余内核
detele_kernel(){
if [[ "${release}" == "centos" ]]; then
rpm_total=`rpm -qa | grep kernel | grep -v "${kernel_version}" | grep -v "noarch" | wc -l`
if [ "${rpm_total}" > "1" ]; then
echo -e "检测到 ${rpm_total} 个其余内核，开始卸载..."
for((integer = 1; integer <= ${rpm_total}; integer++)); do
rpm_del=`rpm -qa | grep kernel | grep -v "${kernel_version}" | grep -v "noarch" | head -${integer}`
echo -e "开始卸载 ${rpm_del} 内核..."
yum remove -y ${rpm_del}
echo -e "卸载 ${rpm_del} 内核卸载完成，继续..."
done
echo -e "内核卸载完毕，继续..."
else
echo -e " 检测到 内核 数量不正确，请检查 !" && exit 1
fi
elif [[ "${release}" == "debian" || "${release}" == "ubuntu" ]]; then
deb_total=`dpkg -l | grep linux-image | awk '{print $2}' | grep -v "${kernel_version}" | wc -l`
if [ "${deb_total}" > "1" ]; then
echo -e "检测到 ${deb_total} 个其余内核，开始卸载..."
for((integer = 1; integer <= ${deb_total}; integer++)); do
deb_del=`dpkg -l|grep linux-image | awk '{print $2}' | grep -v "${kernel_version}" | head -${integer}`
echo -e "开始卸载 ${deb_del} 内核..."
apt-get purge -y ${deb_del}
echo -e "卸载 ${deb_del} 内核卸载完成，继续..."
done
echo -e "内核卸载完毕，继续..."
else
echo -e " 检测到 内核 数量不正确，请检查 !" && exit 1
fi
fi
}
#更新引导
BBR_grub(){
if [[ "${release}" == "centos" ]]; then
if [[ ${version} = "6" ]]; then
if [ ! -f "/boot/grub/grub.conf" ]; then
echo -e "${Error} /boot/grub/grub.conf 找不到，请检查."
exit 1
fi
sed -i 's/^default=.*/default=0/g' /boot/grub/grub.conf
elif [[ ${version} = "7" ]]; then
if [ ! -f "/boot/grub2/grub.cfg" ]; then
echo -e "${Error} /boot/grub2/grub.cfg 找不到，请检查."
exit 1
fi
grub2-set-default 0
fi
elif [[ "${release}" == "debian" || "${release}" == "ubuntu" ]]; then
/usr/sbin/update-grub
fi
}
#############内核管理组件#############
#############系统检测组件#############
#检查系统
check_sys(){
if [[ -f /etc/redhat-release ]]; then
release="centos"
elif cat /etc/issue | grep -q -E -i "debian"; then
release="debian"
elif cat /etc/issue | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /etc/issue | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
elif cat /proc/version | grep -q -E -i "debian"; then
release="debian"
elif cat /proc/version | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /proc/version | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
fi
}
#检查Linux版本
check_version(){
if [[ -s /etc/redhat-release ]]; then
version=`grep -oE "[0-9.]+" /etc/redhat-release | cut -d . -f 1`
else
version=`grep -oE "[0-9.]+" /etc/issue | cut -d . -f 1`
fi
bit=`uname -m`
if [[ ${bit} = "x86_64" ]]; then
bit="x64"
else
bit="x32"
fi
}
#检查安装bbr的系统要求
check_sys_bbr(){
check_version
if [[ "${release}" == "centos" ]]; then
if [[ ${version} -ge "6" ]]; then
installbbr
else
echo -e "${Error} BBR内核不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
elif [[ "${release}" == "debian" ]]; then
if [[ ${version} -ge "8" ]]; then
installbbr
else
echo -e "${Error} BBR内核不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
elif [[ "${release}" == "ubuntu" ]]; then
if [[ ${version} -ge "14" ]]; then
installbbr
else
echo -e "${Error} BBR内核不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
else
echo -e "${Error} BBR内核不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
}
#检查安装Lotsever的系统要求
check_sys_Lotsever(){
check_version
if [[ "${release}" == "centos" ]]; then
if [[ ${version} == "6" ]]; then
kernel_version="2.6.32-504"
installlot
elif [[ ${version} == "7" ]]; then
yum -y install net-tools
kernel_version="3.10.0-327"
installlot
else
echo -e "${Error} Lotsever不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
elif [[ "${release}" == "debian" ]]; then
if [[ ${version} -ge "7" ]]; then
if [[ ${bit} == "x64" ]]; then
kernel_version="3.16.0-4"
installlot
elif [[ ${bit} == "x32" ]]; then
kernel_version="3.2.0-4"
installlot
fi
else
echo -e "${Error} Lotsever不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
elif [[ "${release}" == "ubuntu" ]]; then
if [[ ${version} -ge "12" ]]; then
if [[ ${bit} == "x64" ]]; then
kernel_version="4.4.0-47"
installlot
elif [[ ${bit} == "x32" ]]; then
kernel_version="3.13.0-29"
installlot
fi
else
echo -e "${Error} Lotsever不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
else
echo -e "${Error} Lotsever不支持当前系统 ${release} ${version} ${bit} !" && exit 1
fi
}
check_status(){
kernel_version=`uname -r | awk -F "-" '{print $1}'`
if [[ ${kernel_version} = "4.11.8" ]]; then
kernel_status="BBR"
elif [[ ${kernel_version} = "3.10.0" || ${kernel_version} = "3.16.0" || ${kernel_version} = "3.2.0" || ${kernel_version} = "4.4.0" || ${kernel_version} = "3.13.0" || ${kernel_version} = "2.6.32" ]]; then
kernel_status="Lotserver"
else
kernel_status="noinstall"
fi
if [[ ${kernel_status} == "Lotserver" ]]; then
if [[ -e /appex/bin/serverSpeeder.sh ]]; then
run_status=`bash /appex/bin/serverSpeeder.sh status | grep "ServerSpeeder" | awk '{print $3}'`
if [[ ${run_status} = "running!" ]]; then
run_status="启动成功"
else
run_status="启动失败"
fi
else
run_status="未安装加速模块"
fi
elif [[ ${kernel_status} == "BBR" ]]; then
run_status=`grep "net.ipv4.tcp_congestion_control" /etc/sysctl.conf | awk -F "=" '{print $2}'`
if [[ ${run_status} == "bbr" ]]; then
run_status=`lsmod | grep "bbr" | awk '{print $1}'`
if [[ ${run_status} == "tcp_bbr" ]]; then
run_status="BBR启动成功"
else
run_status="BBR启动失败"
fi
elif [[ ${run_status} == "tsunami" ]]; then
run_status=`lsmod | grep "tsunami" | awk '{print $1}'`
if [[ ${run_status} == "tcp_tsunami" ]]; then
run_status="BBR魔改版启动成功"
else
run_status="BBR魔改版启动失败"
fi
else
run_status="未安装加速模块"
fi
fi
}
#############系统检测组件#############
check_sys
check_version
[[ ${release} != "debian" ]] && [[ ${release} != "ubuntu" ]] && [[ ${release} != "centos" ]] && echo -e "${Error} 本脚本不支持当前系统 ${release} !" && exit 1
start_menu