Centos 6 installs BBR magic version

Only for KVM VPS , the kernel needs to be replaced. Other BBR scripts:
1. One-click script to install pure version of Debian/Ubuntu/CentOS/Windows under Linux
2. TCP acceleration: BBR enhanced version for Debian/Ubuntu
3. TCP acceleration: BBR one-click installation
4. Ruisu one-click installation script under Linux and tutorial on changing kernel in Centos and Debian
5. TCP acceleration tools under Linux: Ruisu cracked version, Ruisu one-click automatic installation package
6. TCP acceleration tool under Windows: Ruisu GUI2048M Happy Edition

The installation process is as follows:
1. Change the system kernel to 4.12 kernel

 rpm -ivh https://zhujiwiki.com/wp-content/uploads/2017/11/kernel-ml-4.12.10-1.el6.elrepo.x86_64.rpm

Then reboot.

2. Modify the boot file

 vi /boot/grub/grub.conf

Change default=1 to default=0 and reboot.

3. Check whether the kernel 4.12.10-1 is currently used

 uanme -a

4. Update the following files

 yum remove kernel-headers -y rpm -ivh https://zhujiwiki.com/wp-content/uploads/2017/11/kernel-ml-headers-4.12.10-1.el6.elrepo.x86_64.rpm rpm -ivh https://zhujiwiki.com/wp-content/uploads/2017/11/kernel-ml-devel-4.12.10-1.el6.elrepo.x86_64.rpm

5. Perform BBR magic modification operations

 yum install -y make gcc wget -O ./tcp_tsunami.c https://zhujiwiki.com/wp-content/uploads/2017/11/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 echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf echo "net.ipv4.tcp_congestion_control=tsunami" >> /etc/sysctl.conf

6. Run sysctl -p to make the kernel parameters take effect.

7. Reboot.

8. Check if it is successful

 lsmod | grep tsunami

via: https://www.shaobing.hk/post/8.html