ubantu环境初始化
查看系统信息
lsb_release -a配置镜像源
sed -i "s#http://archive.ubuntu.com/ubuntu/#http://mirrors.aliyun.com/ubuntu/#g" /etc/apt/sources.list安装vim命令
apt update && apt -y install vim
配置静态ip地址
vim /etc/netplan/00-installer-config.yaml
# This is the network config written by 'subiquity' network: ethernets: ens160: dhcp4: false addresses: - 10.1.60.130/24 routes: - to: default via: 10.1.60.254 nameservers: addresses: - 114.114.114.114 - 116.116.116.116 version: 2使网络配置生效
netplan apply执行以上命令出现以下报错
Cannot call openvswitch: ovsdb-server.service is not running. 执行以下命令解决 apt install openvswitch-switch -y关闭防火墙
systemctl disable --now ufw同步时间
apt -y install ntpdate timedatectl set-timezone Asia/Shanghai优化主机配置
#!/bin/bash #调整最大进程数限制和文件描述符限制 cat >> /etc/security/limits.conf << EOF * soft nproc 65535 * hard nproc 65535 * soft nofile 65535 * hard nofile 65535 EOF #内核参数优化 cat >> /etc/sysctl.conf << EOF fs.file-max=65535 net.ipv4.ip_local_port_range=1025 65000 net.ipv4.tcp_max_orphans = 32768 net.ipv4.tcp_window_scaling=1 net.ipv4.tcp_max_tw_buckets=8000 net.ipv4.tcp_tw_reuse=1 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_fin_timeout=30 net.ipv4.tcp_retries2=5 net.ipv4.tcp_syn_retries = 2 net.ipv4.tcp_synack_retries = 2 net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_sack=1 net.ipv4.tcp_fack=1 net.ipv4.tcp_timestamps=1 net.ipv4.tcp_keepalive_time=120 net.ipv4.tcp_keepalive_intvl=20 net.ipv4.tcp_keepalive_probes=3 net.ipv4.tcp_max_syn_backlog= 65535 net.ipv4.tcp_mem = 262144 524288 786432 net.ipv4.tcp_wmem = 4096 131072 16777216 net.ipv4.tcp_rmem = 4096 131072 16777216 net.core.somaxconn = 65535 net.core.netdev_max_backlog = 65535 net.core.wmem_max = 16777216 net.core.wmem_default = 131072 net.core.rmem_max = 16777216 net.core.rmem_default = 131072 net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 vm.overcommit_memory = 0 vm.swappiness = 10 net.ipv4.ip_forward = 1 EOF #使配置生效 sysctl -p配置运行root远程登录
在ssh配置文件中新增以下配置
vi /etc/ssh/sshd_config #新增以下配置 PermitRootLogin yes 重启ssh服务 systemctl restart sshd