Debian 10 初始化安装

2021年1月28日

730

安装vim

1	apt install vim -y

2.修改sshd_config

sed -i 's PermitRootLogin prohibit-password/PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config

重启sshd

systemctl restart sshd

3.查询内核版本

1	dpkg -l \| grep linux-image

4.移除内核

1	apt purge linux-image-4.19.0-13-amd64 linux-image-4.19.0-8-amd64 linux-image-amd64

5.更新grub

1	update-grub

6.下载kernel

1	https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10.10/

7.安装内核

1	dpkg -i linux-headers-5.10.10-051010_5.10.10-0linux-headers-5.10.10-051010-generic_5.10.10-051010.202101231639_amd64.deb51010.202101231639_all.deb

1	dpkg -i linux-image-unsigned-5.10.10-051010-genlinux-modules-5.10.10-051010-generic_5.10.10-051010.202101231639_amd64.deberic_5.10.10-051010.202101231639_amd64.deb

8.更新grub

1	update-grub

9.修改sysctl.conf

vm.swappiness = 0

fs.file-max = 1024000

fs.inotify.max_user_instances = 8192

vm.overcommit_memory = 1

net.ipv4.neigh.default.base_reachable_time_ms = 600000

net.ipv4.neigh.default.mcast_solicit = 20

net.ipv4.neigh.default.retrans_time_ms = 250

net.core.rmem_max = 67108864

net.core.wmem_max = 67108864

net.core.rmem_default = 6291456

net.core.wmem_default = 6291456

net.ipv4.tcp_keepalive_time = 600

net.ipv4.tcp_rmem = 4096 87380 67108864

net.ipv4.tcp_wmem = 4096 65536 67108864

net.ipv4.tcp_syncookies = 1

net.ipv4.tcp_fin_timeout = 30

net.ipv4.tcp_tw_reuse = 1

net.ipv4.ip_local_port_range = 1024 65000

net.ipv4.tcp_max_syn_backlog = 16384

net.ipv4.tcp_max_tw_buckets = 6000

net.ipv4.route.gc_timeout = 100

net.ipv4.tcp_syn_retries = 1

net.ipv4.tcp_synack_retries = 1

net.core.somaxconn = 262114

net.core.netdev_max_backlog = 262114

net.ipv4.tcp_timestamps = 0

net.ipv4.tcp_max_orphans = 262114

net.ipv4.ip_forward = 1

net.ipv4.tcp_mtu_probing = 1

net.ipv4.tcp_fastopen = 3

net.core.default_qdisc = fq

net.ipv4.tcp_congestion_control = bbr

10.声明环境变量

1 2	export PATH=/usr/local/nginx/sbin:/usr/local/php/bin:/usr/local/curl/bin:/usr/local/openssl/bin:/usr/local/apache/bin:/usr/local/mariadb /bin:$PATH