Create D4.sh

D4.sh

@@ -0,0 +1,56 @@
+#! /bin/bash
+
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
+export PATH
+
+[ "$EUID" -ne '0' ] && echo "Error,This script must be run as root! " && exit 1
+
+wget -O ./tcp_bbr_powered.c https://raw.githubusercontent.com/tcp-nanqinlang/general/master/General/Debian/source/kernel-v4.15/tcp_nanqinlang.c
+sed -i "s/nanqinlang/bbr_powered/g" tcp_bbr_powered.c
+
+which gcc >/dev/null 2>&1
+[ $? -ne '0' ] && {
+echo "Install gcc..."
+DEBIAN_FRONTEND=noninteractive apt-get install -y -qq gcc make>/dev/null 2>&1
+which gcc >/dev/null 2>&1
+[ $? -ne '0' ] && {
+echo "Error! Install gcc. "
+echo "Please 'apt-get update' and try again! "
+exit 1
+}
+}
+GCCVER="$(readlink `which gcc` |grep -o '[0-9].*')"
+GCCVER1="$(echo $GCCVER |awk -F. '{print $1}')"
+GCCVER2="$(echo $GCCVER |awk -F. '{print $2}')"
+[ -n "$GCCVER1" ] && [ "$GCCVER1" -gt '4' ] && CheckGCC='0' || CheckGCC='1'
+[ "$CheckGCC" == '1' ] && [ -n "$GCCVER2" ] && [ "$GCCVER2" -ge '9' ] && CheckGCC='0'
+[ "$CheckGCC" == '1' ] && {
+echo "The gcc version require gcc-4.9 or higher. "
+echo "You can try apt-get install -y gcc-4.9 or apt-get install -y gcc-6"
+echo "Please upgrade it manually! "
+exit 1
+}
+
+echo 'obj-m:=tcp_bbr_powered.o' >./Makefile
+make -C /lib/modules/$(uname -r)/build M=`pwd` modules CC=`which gcc`
+chmod +x ./tcp_bbr_powered.ko
+cp -rf ./tcp_bbr_powered.ko /lib/modules/$(uname -r)/kernel/net/ipv4
+
+# 插入内核模块
+depmod -a
+modprobe tcp_bbr_powered
+sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
+sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
+echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
+echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
+echo "net.ipv4.tcp_congestion_control=bbr_powered" >> /etc/sysctl.conf
+lsmod |grep -q 'bbr_powered'
+[ $? -eq '0' ] && {
+sysctl -p >/dev/null 2>&1
+echo "Finish! "
+apt-mark hold linux-image-4.15.0-23-generic # 锁定内核版本
+exit 0
+} || {
+echo "Error, Loading BBR POWERED."
+exit 1
+}