系统环境 Ubuntu 20.04 2H4G50G 修改网卡的IP sudo vi /etc/netplan/00-installer-config.yaml network: ethernets: ens33: dhcp4: no addresses: [192.168.31.211/24] op…

更换文件里的源 /etc/apt/sources.list 首先备份源列表 sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup 打开sources.list文件 sudo vi /etc/apt/sources.list 修改 编辑/…