Ubuntu部署docker服务

Tiffany_Hsu

Ubuntu 20.04安装

安装完成后修改软件源：

添加阿里软件源：

student@student-VirtualBox:~/Desktop$ cat /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

student@student-VirtualBox:~/Desktop$

student@student-VirtualBox:~/Desktop$ sudo apt update

student@student-VirtualBox:~/Desktop$ sudo apt upgrade

安装编译环境：

student@student-VirtualBox:~/Desktop$ sudo apt-get install build-essential linux-headers-5.4.0-40-generic

student@student-VirtualBox:~/Desktop$ sudo apt-get install gcc

安装virtubox增强工具: 单击 Run Software

配置ubuntu作为网关：

root@student-VirtualBox:~# ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000

    link/ether 08:00:27:de:ad:2f brd ff:ff:ff:ff:ff:ff

    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute enp0s3 #外网网卡 模拟公网

       valid_lft 86346sec preferred_lft 86346sec

    inet6 fe80::fed6:5e7:a45b:1975/64 scope link noprefixroute

       valid_lft forever preferred_lft forever

3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000

    link/ether 08:00:27:a4:55:04 brd ff:ff:ff:ff:ff:ff

    inet 192.168.19.254/24 brd 192.168.19.255 scope global noprefixroute enp0s8  #内网网卡  模拟企业内部网络

       valid_lft forever preferred_lft forever

    inet6 fe80::bec6:79d3:df8e:555e/64 scope link noprefixroute

       valid_lft forever preferred_lft forever

root@student-VirtualBox:~#

配置ubuntu网络：在ubuntu desktop版本中将网络配置交给NetworkManager管理

root@utility:/home/student/Desktop# ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000

    link/ether 08:00:27:de:ad:2f brd ff:ff:ff:ff:ff:ff

    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute enp0s3

       valid_lft 81760sec preferred_lft 81760sec

    inet6 fe80::fed6:5e7:a45b:1975/64 scope link noprefixroute

       valid_lft forever preferred_lft forever

3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000

    link/ether 08:00:27:a4:55:04 brd ff:ff:ff:ff:ff:ff

    inet 192.168.19.254/24 brd 192.168.19.255 scope global noprefixroute enp0s8

       valid_lft forever preferred_lft forever

    inet6 fe80::bec6:79d3:df8e:555e/64 scope link noprefixroute

       valid_lft forever preferred_lft forever

root@utility:/home/student/Desktop# cd /etc/netplan/

root@utility:/etc/netplan# ls

01-network-manager-all.yaml

root@utility:/etc/netplan# cat 01-network-manager-all.yaml

# Let NetworkManager manage all devices on this system

network:

  version: 2

  renderer: NetworkManager

root@utility:/etc/netplan#

网络通过图形化修改即可。

配置ufw nat实现网关功能   开启ufw 防火墙

开启系统ipv4_forward功能：

开启ufw 转发策略：

配置NAT  SNAT 规则：

应用ufw:

配置 ubuntu server:

配置ip 地址:

应用网络配置：

查看配置：

配置sudo 免密：

修改root密码：

开启root  ssh登录功能：

重启sshd服务:

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