Lima 初体验 | Striveonger

Lima 初体验

# 安装 Lima

# 安装
❯ brew install lima
# 我本地环境是 aarch64 所以需要 安装 qemu 模拟 x86_64 
❯ brew install qemu
# 检查
❯ qemu-system-x86_64 --version
QEMU emulator version 9.2.0
Copyright (c) 2003-2024 Fabrice Bellard and the QEMU Project developers

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下载系统镜像的文件地址: ~/Library/Caches/lima/download/

启动虚拟机的文件地址: ~/.lima/

# 配置网络

文件路径: ~/.lima/_config/networks.yaml

# Path to socket_vmnet executable. Because socket_vmnet is invoked via sudo it should be
# installed where only root can modify/replace it. This means also none of the
# parent directories can be writable by the user.
#
# The varRun directory also must not be writable by the user because it will
# include the socket_vmnet pid file. Those will be terminated via sudo, so replacing
# the pid file would allow killing of arbitrary privileged processes. varRun
# however MUST be writable by the daemon user.
#
# None of the paths segments may be symlinks, why it has to be /private/var
# instead of /var etc.
paths:
# socketVMNet requires Lima >= 0.12 .
  socketVMNet: "/opt/socket_vmnet/bin/socket_vmnet"
  varRun: /private/var/run/lima
  sudoers: /private/etc/sudoers.d/lima

group: everyone

networks:
  user-v2:
    mode: user-v2
    gateway: 192.168.104.1
    netmask: 255.255.255.0
    # user-v2 network is experimental network mode which supports all functionalities of default usernet network and also allows vm -> vm communication.
    # Doesn't support configuration of custom gateway; hardcoded to 192.168.5.0/24
  shared:
    mode: shared
    gateway: 192.168.105.1
    dhcpEnd: 192.168.105.254
    netmask: 255.255.255.0
  bridged:
    mode: bridged
    interface: en0
    # bridged mode doesn't have a gateway; dhcp is managed by outside network
  host:
    mode: host
    gateway: 10.20.0.1
    dhcpEnd: 10.20.255.254
    netmask: 255.255.0.0
  mova:
    mode: user-v2
    gateway: 10.30.0.9
    dhcpEnd: 10.30.255.254
    netmask: 255.255.0.0

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mova 为自定义配置(自用的B级网络)

# 配置机器

os: Linux
vmType: "qemu"

# arch: "aarch64"
# arch: "x86_64"

images:
  - location: "https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-amd64.img"
    arch: "x86_64"
  - location: "https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-arm64.img"
    arch: "aarch64"

cpus: 4
memory: 4GiB
disk: 20GiB

networks:
  - lima: mova

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# 启动机器

❯ limactl create --name=master --arch=aarch64 ubuntu.yaml
❯ limactl start master
❯ limactl create --name=agent --arch=x86_64 ubuntu.yaml
❯ limactl start agent

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在启动命令中指定, 实例名和CPU架构, 会更灵活一点

验证是否正确安装

# 官方模版

❯ limactl start --list-templates
almalinux-8
almalinux-9
almalinux
alpine-iso
alpine
apptainer-rootful
apptainer
archlinux
buildkit
centos-stream-10
centos-stream-9
centos-stream
debian-11
debian-12
debian
default
docker-rootful
docker
experimental/alsa
experimental/gentoo
experimental/opensuse-tumbleweed
experimental/rke2
experimental/u7s
experimental/vnc
experimental/wsl2
faasd
fedora
k3s
k8s
opensuse-leap
opensuse
oraclelinux-8
oraclelinux-9
oraclelinux
podman-rootful
podman
rocky-8
rocky-9
rocky
ubuntu-20.04
ubuntu-22.04
ubuntu-24.04
ubuntu-24.10
ubuntu-lts
ubuntu

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这个 k8s 可以有呀

日常使用

# 启动一个虚拟机
❯ limactl create --name=ubuntu --arch=x86_64 template://ubuntu-24.04
# 查看虚拟机列表
❯ limactl list
# 启动一个虚拟机
❯ limactl start ubuntu
# 启动一个虚拟机
❯ limactl shell ubuntu
# 停止虚拟机
❯ limactl stop ubuntu
# 删除虚拟机
❯ limactl delete ubuntu

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参考文章:

https://github.com/lima-vm/lima?tab=readme-ov-file
https://lima-vm.io/docs/reference/limactl_start