lxd
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lxd-ui
https://documentation.ubuntu.com/lxd/en/latest/howto/access_ui/
1 安装与常用命令
# 1也可以用 snap install lxd snap新的包管理工具 ubuntu16及以上 低版本需要查看链接
# https://www.linuxprobe.com/lxd-2-0-install-config.html
sudo apt-get install lxd
# 2 LXD 提供了几种存储后端。我们的推荐是 ZFS,提供最快和最可靠的容器体验。ubuntu16及以上
sudo apt install zfsutils-linux
# 3 初始化 选默认的就好
sudo lxd init
# 4 添加清华源
lxc remote rename images images_bak
lxc remote add images https://mirrors.tuna.tsinghua.edu.cn/lxc-images/ --protocol=simplestreams --public
# 5 比如查看默认images源下ubuntu:1804在远程镜像里的一些信息
lxc image list images:ubuntu/18.04 | less
+-----------------------------------+--------------+--------+--------------------------------------+---------+----------+-------------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCH | SIZE | UPLOAD DATE |
+-----------------------------------+--------------+--------+--------------------------------------+---------+----------+-------------------------------+
| ubuntu/18.04 (7 more) | fd42d9695679 | yes | Ubuntu bionic amd64 (20230829_07:42) | x86_64 | 108.14MB | Aug 29, 2023 at 12:00am (UTC) |
+-----------------------------------+--------------+--------+---------------------------
# 6 拉取远程镜像到本地
lxc image copy images:ubuntu/18.04 local:
# 7 查看本地镜像image 可以看到刚才拉取的镜像
lxc image list
+-------+--------------+--------+--------------------------------------+--------+---------+-----------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCH | SIZE | UPLOAD DATE |
+-------+--------------+--------+--------------------------------------+--------+---------+-----------------------------+
| | 8b430b6d8271 | no | Ubuntu xenial amd64 (20230829_07:42) | x86_64 | 87.89MB | Feb 1, 2024 at 5:37am (UTC) |
+-------+--------------+--------+--------------------------------------+--------+---------+-----------------------------+
# 8 根据本地镜像，创建一个容器 后面是镜像id ut18是取的别名
lxc launch 8b430b6d8271 ut18
# 9 当前用户添加到用户组
newgrp lxd
# 10 可以查看本地List containers容器
lxc list
lxc exec ut18 bash # 进入容器
# 11 管理容器
lxc stop container-name # 暂停
lxc delete container-name # 删除 可以加--force
trust
lxc config trust list # 查看证书
lxc config trust add lxd-ui-192.168.0.39.crt # 添加证书
lxc network
创建桥接网卡(分配外网地址)
- https://youtu.be/xCcrgUldEGo?t=738
- https://seanblanchfield.com/2023/05/bridge-networking-in-lxd
- https://blog.simos.info/-how-to-make-your-lxd-containers-get-ip-addresses-from-your-lan-using-a-bridge/
- https://docs.rockylinux.org/books/lxd_server/05-lxd_images/
lxc stop c1
lxc network attach lxdbr0 c1 eth0 eth0
lxc config device set c1 eth0 ipv4.address 10.99.10.42
lxc start c1
docker in lxd
how-to-run-docker-inside-lxd-containers
cloud-images.ubuntu
ryefccd@republic:~$ lxc remote list
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| NAME | URL | PROTOCOL | AUTH TYPE | PUBLIC | STATIC | GLOBAL |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| images | https://mirrors.tuna.tsinghua.edu.cn/lxc-images/ | simplestreams | none | YES | NO | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| images_bak | https://images.linuxcontainers.org | simplestreams | none | YES | NO | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| local (current) | unix:// | lxd | file access | NO | YES | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| ubuntu | https://cloud-images.ubuntu.com/releases | simplestreams | none | YES | YES | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| ubuntu-daily | https://cloud-images.ubuntu.com/daily | simplestreams | none | YES | YES | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| ubuntu-minimal | https://cloud-images.ubuntu.com/minimal/releases/ | simplestreams | none | YES | YES | NO |
+----------------------+---------------------------------------------------+---------------+-------------+--------+--------+--------+
| ubuntu-minimal-daily | https://cloud-images.ubuntu.com/minimal/daily/ | simplestreams | none | YES | YES | NO |
lxd init(2019)
- snap install lxd --channel=3.0/stable
ryefccd@fccd:~$ snap install lxd --channel=3.0/stable
lxd (3.0/stable) 3.0.4 from Canonical✓ installed
- sudo lxd init
ryefccd@fccd:~$ sudo lxd init
Would you like to use LXD clustering? (yes/no) [default=no]:
Do you want to configure a new storage pool? (yes/no) [default=yes]:
Name of the new storage pool [default=default]:
Name of the storage backend to use (btrfs, ceph, dir, lvm, zfs) [default=zfs]:
Create a new ZFS pool? (yes/no) [default=yes]:
Would you like to use an existing block device? (yes/no) [default=no]:
Size in GB of the new loop device (1GB minimum) [default=42GB]:
Would you like to connect to a MAAS server? (yes/no) [default=no]:
Would you like to create a new local network bridge? (yes/no) [default=yes]:
What should the new bridge be called? [default=lxdbr0]:
What IPv4 address should be used? (CIDR subnet notation, “auto” or “none”) [default=auto]:
What IPv6 address should be used? (CIDR subnet notation, “auto” or “none”) [default=auto]:
Would you like LXD to be available over the network? (yes/no) [default=no]: yes
Address to bind LXD to (not including port) [default=all]:
Port to bind LXD to [default=8443]:
Trust password for new clients:
Again:
Would you like stale cached images to be updated automatically? (yes/no) [default=yes]
Would you like a YAML "lxd init" preseed to be printed? (yes/no) [default=no]: yes
config:
core.https_address: '[::]:8443'
core.trust_password: fccdjny
networks:
- config:
ipv4.address: auto
ipv6.address: auto
description: ""
managed: false
name: lxdbr0
type: ""
storage_pools:
- config:
size: 42GB
description: ""
name: default
driver: zfs
profiles:
- config: {}
description: ""
devices:
eth0:
name: eth0
nictype: bridged
parent: lxdbr0
type: nic
root:
path: /
pool: default
type: disk
name: default
cluster: null
- 重命名原来的 image 源, 并添加清华的源
lxc remote rename images images_bak
lxc remote add images https://mirrors.tuna.tsinghua.edu.cn/lxc-images/ --protocol=simplestreams --public
- lxc image copy images:ubuntu/16.04 local:
ryefccd@fccd:~$ lxc image list
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCH | SIZE | UPLOAD DATE |
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
| | 368bb7174b67 | no | ubuntu 18.04 LTS amd64 (release) (20190722.1) | x86_64 | 177.56MB | Jul 29, 2019 at 2:07am (UTC) |
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
| | 4bfe62583826 | no | ubuntu 14.04 LTS amd64 (release) (20190514) | x86_64 | 122.40MB | Jul 29, 2019 at 4:52am (UTC) |
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
| | 5337a61fbc44 | no | Ubuntu trusty amd64 (20190728_07:42) | x86_64 | 74.81MB | Jul 29, 2019 at 4:00am (UTC) |
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
| | 8b430b6d8271 | no | ubuntu 16.04 LTS amd64 (release) (20190628) | x86_64 | 158.72MB | Jul 29, 2019 at 4:07am (UTC) |
+-------+--------------+--------+-----------------------------------------------+--------+----------+------------------------------+
- lxc launch local:8b430b6d8271 redisai
ryefccd@fccd:~$ lxc list
+---------+---------+----------------------+-----------------------------------------------+------------+-----------+
| NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS |
+---------+---------+----------------------+-----------------------------------------------+------------+-----------+
| redisai | RUNNING | 10.213.178.59 (eth0) | fd42:8fa4:9940:a6aa:216:3eff:fe16:efaa (eth0) | PERSISTENT | 0 |
+---------+---------+----------------------+-----------------------------------------------+------------+-----------+
| whtest | STOPPED | | | PERSISTENT | 0 |
+---------+---------+----------------------+-----------------------------------------------+------------+-----------+
-
lxc exec redisai -- sudo --user ubuntu --login
-
制作本地镜像
lxc publish my-container --alias my-new-image lxc publish my-container/some-snapshot --alias some-image