Jack Posted May 1, 2020 Share Posted May 1, 2020 (edited) ------------------------------------------------------------------------- CentOS 7 一鍵安裝最新內核並開啟BBR ------------------------------------------------------------------------- BBR一键安装脚本 KVM架構使用 https://teddysun.com/489.html 内核檢查 uname -r 果然是 3.10 内核 指令 wget --no-check-certificate https://github.com/teddysun/across/raw/master/bbr.sh && chmod +x bbr.sh && ./bbr.sh 會看到你的系統訊息 ---------- System Information ---------- OS : CentOS 7.7.1908 Arch : x86_64 (64 Bit) Kernel : 3.10.0-1062.18.1.el7.x86_64 ---------------------------------------- Auto install latest kernel for TCP BBR URL: https://teddysun.com/489.html ---------------------------------------- Press any key to start...or Press Ctrl+C to cancel 敲任意鍵 自動安裝 Complete! Info: The system needs to reboot. Do you want to restart system? [y/n] 安裝完成 重開機輸入 y SSH登入 驗證是否已安裝並開啟BBR uname -r 顯示結果為 5.6.8-1.el7.elrepo.x86_64 內核版本已更新到5.6 敲入 sysctl net.ipv4.tcp_available_congestion_control 返回值一般為 net.ipv4.tcp_available_congestion_control = reno cubic bbr 敲入 sysctl net.ipv4.tcp_congestion_control 返回值一般為 net.ipv4.tcp_congestion_control = bbr 敲入 sysctl net.core.default_qdisc 返回值一般為 net.core.default_qdisc = fq 敲入 lsmod | grep bbr 返回值有出現 tcp_bbr 說明BBR已啟動 Edited July 29, 2021 by Jack Link to comment
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