1. ubuntu 配置静态 ip ; 2. 修改为 动态ip ; 3. ubuntu20 阿里云 apt 源 ; 4. ubuntu20 清华 apt 源。 apt update 与 apt upgrade 区别:只查看更新,和 更新软件包
ip a # 通过ip a 查看网卡名字,然后再下面配置中将 eth0 改为正确的网卡名
【ubuntu20 版本配置】
nano /etc/netplan/01-network-manager-all.yaml
network: ethernets: enp1s0: addresses: [192.168.122.80/24] dhcp4: no optional: true gateway4: 192.168.122.1 nameservers: addresses: [192.168.122.1,223.5.5.5] version: 2 renderer: NetworkManager
【ubuntu22 版本配置】解决报错: Ubuntu 22.10 netplan `gateway4` has been deprecated
network: ethernets: enp1s0: addresses: - 192.168.122.80/24 dhcp4: false gateway4: 192.168.122.1 nameservers: addresses: - 192.168.122.1 search: [] version: 2
# renderer 可不加,部分服务器加上这个参数网卡无法启动
# 223.5.5.5 网络速度慢只有1M/s 速度,建议dns 修改为网关一个ip
sudo netplan apply # 生效配置
vi /etc/netplan/01-network-manager-all.yaml
network:
ethernets:
eth0:
dhcp4: true
version: 2
sudo netplan apply # 生效配置
阿里云源 选择系统版本, 镜像仓库:https://developer.aliyun.com/mirror/
vi /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
清华apt 源选择版本:https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/
vi /etc/apt/sources.list
# 默认注释了源码镜像以提高 apt update 速度,如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# 预发布软件源,不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
apt update # 命令更新软件源(只检查不更新)
apt upgrade # 更新已安装的软件包