Closed3
[記事化済み] Debian12 で LXC と LXD を試す。
mnodDebian12 で LXC を試す
Raspi の KVM仮想マシンとして動かしている Debian12 (aarch64) にLXC インストールし、試してみます。
# uname -a
Linux debian12test 6.1.0-10-arm64 #1 SMP Debian 6.1.37-1 (2023-07-03) aarch64 GNU/Linux
# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"
LXCをインストールする。
# apt install lxc
インストールされたテンプレートの一覧
# ls -l /usr/share/lxc/templates
total 576
-rwxr-xr-x 1 root root 13630 May 24 2022 lxc-alpine
-rwxr-xr-x 1 root root 14184 May 24 2022 lxc-altlinux
-rwxr-xr-x 1 root root 11234 May 24 2022 lxc-archlinux
-rwxr-xr-x 1 root root 8601 Jan 17 11:53 lxc-busybox
-rwxr-xr-x 1 root root 30633 May 24 2022 lxc-centos
-rwxr-xr-x 1 root root 10368 May 24 2022 lxc-cirros
-rwxr-xr-x 1 root root 30414 May 24 2022 lxc-debian
-rwxr-xr-x 1 root root 25469 May 24 2022 lxc-devuan
-rwxr-xr-x 1 root root 14497 Jan 17 11:53 lxc-download
-rwxr-xr-x 1 root root 41919 May 24 2022 lxc-fedora
-rwxr-xr-x 1 root root 49755 May 24 2022 lxc-fedora-legacy
-rwxr-xr-x 1 root root 28405 May 24 2022 lxc-gentoo
-rwxr-xr-x 1 root root 24509 May 24 2022 lxc-kali
-rwxr-xr-x 1 root root 7178 Jan 17 11:53 lxc-local
-rwxr-xr-x 1 root root 10737 Jan 17 11:53 lxc-oci
-rwxr-xr-x 1 root root 13893 May 24 2022 lxc-openmandriva
-rwxr-xr-x 1 root root 16877 May 24 2022 lxc-opensuse
-rwxr-xr-x 1 root root 41706 May 24 2022 lxc-oracle
-rwxr-xr-x 1 root root 14170 May 24 2022 lxc-plamo
-rwxr-xr-x 1 root root 13967 May 24 2022 lxc-pld
-rwxr-xr-x 1 root root 14277 May 24 2022 lxc-sabayon
-rwxr-xr-x 1 root root 19300 May 24 2022 lxc-slackware
-rwxr-xr-x 1 root root 26656 May 24 2022 lxc-sparclinux
-rwxr-xr-x 1 root root 6845 May 24 2022 lxc-sshd
-rwxr-xr-x 1 root root 26276 May 24 2022 lxc-ubuntu
-rwxr-xr-x 1 root root 11747 May 24 2022 lxc-ubuntu-cloud
-rwxr-xr-x 1 root root 6018 May 24 2022 lxc-voidlinux
試しにUbuntu のコンテナを作成する。
# lxc-create -n debian-test -t debian
# lxc-ls -f
NAME STATE AUTOSTART GROUPS IPV4 IPV6 UNPRIVILEGED
debian-test STOPPED 0 - - - false
コンテナを起動する。
# lxc-start -n debian-test -d
# lxc-ls -f
NAME STATE AUTOSTART GROUPS IPV4 IPV6 UNPRIVILEGED
debian-test RUNNING 0 - 10.0.3.197 - false
コンテナに入る。
# lxc-attach -n debian-test
コンテナの内容を確認する。
# uname -a
Linux debian-test 6.1.0-10-arm64 #1 SMP Debian 6.1.37-1 (2023-07-03) aarch64 GNU/Linux
# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"
コンテナを停止する。
# lxc-stop -n debian-test
# lxc-ls -f
NAME STATE AUTOSTART GROUPS IPV4 IPV6 UNPRIVILEGED
debian-test STOPPED 0 - - - false
コンテナを破棄する。
# lxc-destroy -n debian-test
Debian12 で LXD を試す
LXD をインストールする。
# apt install lxd
初期化する。
# 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]:
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 the LXD server to be available over the network? (yes/no) [default=no]:
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]:
ストレージプールを確認する。
# lxc storage list
+---------+--------+------------------------------------+-------------+---------+---------+
| NAME | DRIVER | SOURCE | DESCRIPTION | USED BY | STATE |
+---------+--------+------------------------------------+-------------+---------+---------+
| default | dir | /var/lib/lxd/storage-pools/default | | 1 | CREATED |
+---------+--------+------------------------------------+-------------+---------+---------+
# lxc storage info default
info:
description: ""
driver: dir
name: default
space used: 2.23GiB
total space: 14.26GiB
used by:
profiles:
- default
仮想ブリッジを確認する
# lxc network list
+--------+----------+---------+-----------------+---------------------------+-------------+---------+---------+
| NAME | TYPE | MANAGED | IPV4 | IPV6 | DESCRIPTION | USED BY | STATE |
+--------+----------+---------+-----------------+---------------------------+-------------+---------+---------+
| enp0s1 | physical | NO | | | | 0 | |
+--------+----------+---------+-----------------+---------------------------+-------------+---------+---------+
| lxcbr0 | bridge | NO | | | | 0 | |
+--------+----------+---------+-----------------+---------------------------+-------------+---------+---------+
| lxdbr0 | bridge | YES | 10.183.160.1/24 | fd42:be09:2f7d:46a9::1/64 | | 1 | CREATED |
+--------+----------+---------+-----------------+---------------------------+-------------+---------+---------+
# lxc network info lxdbr0
Name: lxdbr0
MAC address: 00:16:3e:fb:9a:cc
MTU: 1500
State: up
Type: broadcast
IP addresses:
inet 10.183.160.1/24 (global)
inet6 fd42:be09:2f7d:46a9::1/64 (global)
Network usage:
Bytes received: 0B
Bytes sent: 0B
Packets received: 0
Packets sent: 0
Bridge:
ID: 8000.00163efb9acc
STP: false
Forward delay: 1500
Default VLAN ID: 1
VLAN filtering: true
Upper devices:
# ip link show lxdbr0
6: lxdbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
link/ether 00:16:3e:fb:9a:cc brd ff:ff:ff:ff:ff:ff
# ip address show lxdbr0
6: lxdbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 00:16:3e:fb:9a:cc brd ff:ff:ff:ff:ff:ff
inet 10.183.160.1/24 scope global lxdbr0
valid_lft forever preferred_lft forever
inet6 fd42:be09:2f7d:46a9::1/64 scope global
valid_lft forever preferred_lft forever
プロファイルを確認する
# lxc profile list
+---------+---------------------+---------+
| NAME | DESCRIPTION | USED BY |
+---------+---------------------+---------+
| default | Default LXD profile | 1 |
+---------+---------------------+---------+
# lxc profile show default
config: {}
description: Default LXD profile
devices:
eth0:
name: eth0
network: lxdbr0
type: nic
root:
path: /
pool: default
type: disk
name: default
used_by:
- /1.0/instances/debian-test
イメージの確認
# lxc image list images:debian/12/arm64
+--------------------+--------------+--------+----------------------------------------+--------------+-----------------+----------+-------------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCHITECTURE | TYPE | SIZE | UPLOAD DATE |
+--------------------+--------------+--------+----------------------------------------+--------------+-----------------+----------+-------------------------------+
| debian/12 (7 more) | 06b024a46661 | yes | Debian bookworm arm64 (20230711_05:24) | aarch64 | CONTAINER | 91.25MB | Jul 11, 2023 at 12:00am (UTC) |
+--------------------+--------------+--------+----------------------------------------+--------------+-----------------+----------+-------------------------------+
| debian/12 (7 more) | 80c8a7734360 | yes | Debian bookworm arm64 (20230711_05:24) | aarch64 | VIRTUAL-MACHINE | 337.31MB | Jul 11, 2023 at 12:00am (UTC) |
+--------------------+--------------+--------+----------------------------------------+--------------+-----------------+----------+-------------------------------+
# lxc image show images:debian/12/arm64
auto_update: false
properties:
architecture: arm64
description: Debian bookworm arm64 (20230711_05:24)
os: Debian
release: bookworm
serial: "20230711_05:24"
type: squashfs
variant: default
public: true
expires_at: 1970-01-01T00:00:00Z
profiles: []
# lxc image info images:debian/12/arm64
Fingerprint: 06b024a4666144fd637928f9e092066037d1bbb7ae5127bf20082c792195dacc
Size: 91.25MB
Architecture: aarch64
Type: container
Public: yes
Timestamps:
Created: 2023/07/11 00:00 UTC
Uploaded: 2023/07/11 00:00 UTC
Expires: never
Last used: never
Properties:
description: Debian bookworm arm64 (20230711_05:24)
type: squashfs
os: Debian
release: bookworm
architecture: arm64
serial: 20230711_05:24
variant: default
Aliases:
- debian/bookworm/default
- debian/bookworm/default/arm64
- debian/12/default
- debian/12/default/arm64
- debian/bookworm
- debian/bookworm/arm64
- debian/12
- debian/12/arm64
Cached: no
Auto update: disabled
Profiles: []
# lxc image list ubuntu:jammy/arm64
+------------+--------------+--------+---------------------------------------------+--------------+-----------------+----------+-------------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCHITECTURE | TYPE | SIZE | UPLOAD DATE |
+------------+--------------+--------+---------------------------------------------+--------------+-----------------+----------+-------------------------------+
| j (9 more) | 4166efc1661c | yes | ubuntu 22.04 LTS arm64 (release) (20230616) | aarch64 | CONTAINER | 417.02MB | Jun 16, 2023 at 12:00am (UTC) |
+------------+--------------+--------+---------------------------------------------+--------------+-----------------+----------+-------------------------------+
| j (9 more) | a154c2142bb3 | yes | ubuntu 22.04 LTS arm64 (release) (20230616) | aarch64 | VIRTUAL-MACHINE | 636.19MB | Jun 16, 2023 at 12:00am (UTC) |
+------------+--------------+--------+---------------------------------------------+--------------+-----------------+----------+-------------------------------+
# lxc image show ubuntu:jammy/arm64
auto_update: false
properties:
architecture: arm64
description: ubuntu 22.04 LTS arm64 (release) (20230616)
label: release
os: ubuntu
release: jammy
serial: "20230616"
type: squashfs
version: "22.04"
public: true
expires_at: 2027-06-01T00:00:00Z
profiles: []
# lxc image info ubuntu:jammy/arm64
Fingerprint: 4166efc1661cc063b26cedb7fabc1aa9a1c2d814b4acb20b5b7d317a53f995f3
Size: 417.02MB
Architecture: aarch64
Type: container
Public: yes
Timestamps:
Created: 2023/06/16 00:00 UTC
Uploaded: 2023/06/16 00:00 UTC
Expires: 2027/06/01 00:00 UTC
Last used: never
Properties:
release: jammy
version: 22.04
architecture: arm64
label: release
serial: 20230616
description: ubuntu 22.04 LTS arm64 (release) (20230616)
type: squashfs
os: ubuntu
Aliases:
- 22.04
- 22.04/arm64
- j
- j/arm64
- jammy
- jammy/arm64
- lts
- lts/arm64
- default
- default/arm64
Cached: no
Auto update: disabled
Profiles: []
コンテナの起動
# lxc launch images:debian/12 debian-test
# lxc list
+-------------+---------+-----------------------+-----------------------------------------------+-----------+-----------+
| NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS |
+-------------+---------+-----------------------+-----------------------------------------------+-----------+-----------+
| debian-test | RUNNING | 10.183.160.241 (eth0) | fd42:be09:2f7d:46a9:216:3eff:fea6:a024 (eth0) | CONTAINER | 0 |
+-------------+---------+-----------------------+-----------------------------------------------+-----------+-----------+
# lxc info debian-test
Name: debian-test
Status: RUNNING
Type: container
Architecture: aarch64
PID: 43302
Created: 2023/07/12 18:30 JST
Last Used: 2023/07/12 18:30 JST
Resources:
Processes: 8
CPU usage:
CPU usage (in seconds): 2
Memory usage:
Memory (current): 38.19MiB
Network usage:
eth0:
Type: broadcast
State: UP
Host interface: veth971c5b13
MAC address: 00:16:3e:a6:a0:24
MTU: 1500
Bytes received: 2.12kB
Bytes sent: 3.07kB
Packets received: 14
Packets sent: 27
IP addresses:
inet: 10.183.160.241/24 (global)
inet6: fd42:be09:2f7d:46a9:216:3eff:fea6:a024/64 (global)
inet6: fe80::216:3eff:fea6:a024/64 (link)
lo:
Type: loopback
State: UP
MTU: 65536
Bytes received: 0B
Bytes sent: 0B
Packets received: 0
Packets sent: 0
IP addresses:
inet: 127.0.0.1/8 (local)
inet6: ::1/128 (local)
コンテナに接続する
# lxc exec debian-test -- /bin/bash
# uname -a
Linux distrobuilder-4e47e116-ac8a-4b83-9a0a-b35d5386a547 6.1.0-10-arm64 #1 SMP Debian 6.1.37-1 (2023-07-03) aarch64 GNU/Linux
# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"
コンテナのコンフィグの確認
# lxc config show debian-test
architecture: aarch64
config:
image.architecture: arm64
image.description: Debian bookworm arm64 (20230711_05:24)
image.os: Debian
image.release: bookworm
image.serial: "20230711_05:24"
image.type: squashfs
image.variant: default
volatile.base_image: 06b024a4666144fd637928f9e092066037d1bbb7ae5127bf20082c792195dacc
volatile.cloud-init.instance-id: ac15cfc4-c2e0-4975-be81-097881849578
volatile.eth0.host_name: veth971c5b13
volatile.eth0.hwaddr: 00:16:3e:a6:a0:24
volatile.idmap.base: "0"
volatile.idmap.current: '[{"Isuid":true,"Isgid":false,"Hostid":165536,"Nsid":0,"Maprange":10000001},{"Isuid":false,"Isgid":true,"Hostid":165536,"Nsid":0,"Maprange":10000001}]'
volatile.idmap.next: '[{"Isuid":true,"Isgid":false,"Hostid":165536,"Nsid":0,"Maprange":10000001},{"Isuid":false,"Isgid":true,"Hostid":165536,"Nsid":0,"Maprange":10000001}]'
volatile.last_state.idmap: '[]'
volatile.last_state.power: RUNNING
volatile.uuid: 7d63d041-c162-4e4f-80f9-302fc3cf4056
devices: {}
ephemeral: false
profiles:
- default
stateful: false
description: ""
ネットワーク、ストレージプール、イメージの確認
# lxc network show lxdbr0
config:
ipv4.address: 10.183.160.1/24
ipv4.nat: "true"
ipv6.address: fd42:be09:2f7d:46a9::1/64
ipv6.nat: "true"
description: ""
name: lxdbr0
type: bridge
used_by:
- /1.0/instances/debian-test
- /1.0/profiles/default
managed: true
status: Created
locations:
- none
# lxc storage info default
info:
description: ""
driver: dir
name: default
space used: 2.75GiB
total space: 14.26GiB
used by:
instances:
- debian-test
profiles:
- default
# lxc image list
+-------+--------------+--------+----------------------------------------+--------------+-----------+---------+------------------------------+
| ALIAS | FINGERPRINT | PUBLIC | DESCRIPTION | ARCHITECTURE | TYPE | SIZE | UPLOAD DATE |
+-------+--------------+--------+----------------------------------------+--------------+-----------+---------+------------------------------+
| | 06b024a46661 | no | Debian bookworm arm64 (20230711_05:24) | aarch64 | CONTAINER | 91.25MB | Jul 12, 2023 at 5:51am (UTC) |
+-------+--------------+--------+----------------------------------------+--------------+-----------+---------+------------------------------+
# lxc image show 06b024a46661
auto_update: true
properties:
architecture: arm64
description: Debian bookworm arm64 (20230711_05:24)
os: Debian
release: bookworm
serial: "20230711_05:24"
type: squashfs
variant: default
public: false
expires_at: 1970-01-01T00:00:00Z
profiles:
- default
# lxc image info 06b024a46661
Fingerprint: 06b024a4666144fd637928f9e092066037d1bbb7ae5127bf20082c792195dacc
Size: 91.25MB
Architecture: aarch64
Type: container
Public: no
Timestamps:
Created: 2023/07/11 00:00 UTC
Uploaded: 2023/07/12 05:51 UTC
Expires: never
Last used: 2023/07/12 09:30 UTC
Properties:
description: Debian bookworm arm64 (20230711_05:24)
os: Debian
release: bookworm
serial: 20230711_05:24
type: squashfs
variant: default
architecture: arm64
Aliases:
Cached: yes
Auto update: enabled
Source:
Server: https://images.linuxcontainers.org
Protocol: simplestreams
Alias: debian/12
Profiles:
- default
コンテナを停止する
# lxc stop debian-test
# lxc list
+-------------+---------+------+------+-----------+-----------+
| NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS |
+-------------+---------+------+------+-----------+-----------+
| debian-test | STOPPED | | | CONTAINER | 0 |
+-------------+---------+------+------+-----------+-----------+
コンテナの削除
# lxc delete debian-test
see below articles
このスクラップは2025/01/19にクローズされました