BBR/BBR PLUS/LotServer three-in-one kernel is released, freely switch acceleration methods!

Still wondering which acceleration to use? I believe that the die-hard fans of console information should have used it a long time ago. Since everyone has been using it for a year and has not encountered any bugs, I will release it on the occasion of the New Year and let everyone enjoy it.

Compiled using the official original Kernel source code, only supports CentOS7. If you like, remember to pay attention to the host information.

The rendering is as follows: You do not need to change the core to support three acceleration methods. One core can unlock three postures and freely switch acceleration methods, BBR/BBRPLUS and sharp Speed ​​can coexist, but bloggers don’t recommend it.

Eating posture:

FastTCP three-core acceleration one-click script:

The TV series <> has become quite popular recently, so I simply gave this fusion monster the name "FastTCP Three Body Kernel Acceleration".

wget tutu.ovh/bash/threebody/threebody;chmod +x threebody;./threebody

Manual installation:

1. Install the three-in-one kernel

rpm -ivh http://tutu.ovh/kernel/lotserver/withbbrplus/4.11.2/kernel-4.11.2_1.el7.elrepo.x86_64-1.x86_64.rpm --force

2. View the new kernel entry id

View all entries

awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2.cfg

or

awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2-efi.cfg (for UEFI booted servers)

View the current default entry

grub2-editenv list

3. Change to specify the entry, regenerate the grub file and restart the operating system.

grub2-mkconfig -o /boot/grub2/grub.cfg grub2-set-default 0

4. Freely switch acceleration modes

Enable original BBR: vi /etc/sysctl.conf add two lines

net.ipv4.tcp_congestion_control = bbr net.core.default_qdisc = fq net.ipv4.tcp_fastopen = 3

Effective immediately

sysctl -p /etc/sysctl.conf

Enable BBR PLUS: vi /etc/sysctl.conf add two lines

net.ipv4.tcp_congestion_control = bbrplus net.core.default_qdisc = fq net.ipv4.tcp_fastopen = 3

Effective immediately

sysctl -p /etc/sysctl.conf

View enabled congestion control algorithms:

sysctl net.ipv4.tcp_available_congestion_control

Enable LotServer sharp speed:

bash <(wget --no-check-certificate -qO- http://tutu.ovh/bash/lotserver/Install.sh) install 4.11.2-1.el7.elrepo.x86_64

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