- 安装云内核 支持Hyper-V KVM Xen 不支持VMware
12345#普通源apt install linux-image-cloud-amd64 linux-headers-cloud-amd64 -y#Backports源apt install -t bullseye-backports linux-image-cloud-amd64 linux-headers-cloud-amd64 -y - 更新系统引导
1update-grub && reboot - 开启TCP BBR拥塞控制算法
12345678910#写入配置文件cat >> /etc/sysctl.conf << EOFnet.core.default_qdisc = fqnet.ipv4.tcp_congestion_control = bbrEOF#保存生效root@debian:~# sysctl -pnet.core.default_qdisc = fqnet.ipv4.tcp_congestion_control = bbr - 验证是否成功开启
12root@debian:~# lsmod | grep bbrtcp_bbr 20480 29 - 删除旧内核
12345#列出内核列表dpkg -l|grep linux-image#删除旧内核apt purge linux-image-4.19.0-16-amd64 linux-image-amd64 -y