linux►distro►ubuntu

ubuntu cloud

初始化

使用 cloud init 初始化时，在实例启动后，可能需要等一小会，才能生效。

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#cloud-config
chpasswd:
  list: |
    ubuntu:ubuntu
    wii:wii
  expire: False

sudo 命令较慢

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sudo vim /etc/hosts
# 在 127.0.0.1 后面追加 hostname

开启 ssh 密码登录

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$ sudo vi /etc/ssh/sshd_config
PasswordAuthentication yes
$ sudo service ssh restart  # 重启 ssh server

设置时区

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sudo dpkg-reconfigure tzdata
# 选择 Asia -> Shanghai

设置 DNS

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sudo vim /etc/netplan/50_cloud_init.yaml

# 添加 nameserver
network:
    version: 2
    ethernets:
        ens3:
            dhcp4: true
            match:
                macaddress: fa:16:3e:6c:21:ff
            mtu: 1450
            set-name: ens3
            nameservers:
                    addresses: [223.5.5.5, 223.6.6.6]

配置更新源

sudo vim /etc/apt/sources.list

20.04

aliyun

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deb https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

# deb https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse