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cat > /etc/sysctl.conf << EOF  
fs.file-max = 6815744  
net.ipv4.tcp_no_metrics_save=1  
net.ipv4.tcp_ecn=0  
net.ipv4.tcp_frto=0  
net.ipv4.tcp_mtu_probing=0  
net.ipv4.tcp_rfc1337=0  
net.ipv4.tcp_sack=1  
net.ipv4.tcp_fack=1  
net.ipv4.tcp_window_scaling=1  
net.ipv4.tcp_adv_win_scale=1  
net.ipv4.tcp_moderate_rcvbuf=1  
net.core.rmem_max=33554432  
net.core.wmem_max=33554432  
net.ipv4.tcp_rmem=4096 87380 33554432  
net.ipv4.tcp_wmem=4096 16384 33554432  
net.ipv4.udp_rmem_min=8192  
net.ipv4.udp_wmem_min=8192  
net.ipv4.ip_forward=1  
net.ipv4.conf.all.route_localnet=1  
net.ipv4.conf.all.forwarding=1  
net.ipv4.conf.default.forwarding=1  
net.core.default_qdisc=fq  
net.ipv4.tcp_congestion_control=bbr  
net.ipv6.conf.all.forwarding=1  
net.ipv6.conf.default.forwarding=1  
EOF  
sysctl -p && sysctl --system  
  
  

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#define INIT_PACING_RATE 75000000 // 500 Mbps+  
#define INIT_CWND_GAIN 40  
  

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root@racknerd-6bf1e7b:~/tcp-brutal# make  
make -C /lib/modules/6.8.0-87-generic/build M=/root/tcp-brutal modules  
make[1]: Entering directory '/usr/src/linux-headers-6.8.0-87-generic'  
warning: the compiler differs from the one used to build the kernel  
The kernel was built by: x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0  
You are using: gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0  
make[1]: Leaving directory '/usr/src/linux-headers-6.8.0-87-generic'  
  
  
root@racknerd-6bf1e7b:~/tcp-brutal# insmod brutal.ko  
  
root@racknerd-6bf1e7b:~/tcp-brutal# lsmod |grep brutal  
brutal 16384 56  
  
sysctl net.ipv4.tcp_congestion_control  
sysctl -w net.ipv4.tcp_congestion_control=brutal #设置  
sysctl -w net.ipv4.tcp_no_metrics_save=1 #切流量