https://docs.01.org/clearlinux/latest/get-started/virtual-machine-install/kvm.html#install-qemu-kvm
1,下載
2,unxz clear-34500-kvm.img.xz
3,chmod u+x start_qemu.sh
4,./start_qemu.sh clear-34500-kvm.img
5,改好 ssh, X11forwarding.
# systemctl edit sshd.socket [Socket] ListenStream= ListenStream=22 # systemctl daemon-reload # systemctl restart sshd.socket # vi /etc/ssh/sshd_config PermitRootLogin yes AllowTcpForwarding yes X11UseLocalhost yes X11DisplayOffset 10 X11Forwarding yes subsystem sftp /usr/libexec/sftp-server
在 host 可以看到 qemu 的 clearOS 的 sshd listen on 10022:
05-11 21:07 [root@kiosk430 ~]# netstat -anlpt |grep qemu tcp 0 0 0.0.0.0:10022 0.0.0.0:* LISTEN 458036/qemu-system- tcp 0 0 0.0.0.0:12375 0.0.0.0:* LISTEN 458036/qemu-system-
在 start-qemu.sh 中定義了 port 轉接:
-netdev user,id=mynet0,hostfwd=tcp::${VMN}0022-:22,hostfwd=tcp::${VMN}2375-:2375 \
在 host 可以用 10022 連接 kvm 的 :22
[feuer@kiosk430 ClearOS]$ ssh -p 10022 root@127.0.0.1
在 vm 中使用 “poweroff” 將系統關機。
修改 start_qemu.sh
qemu-system-x86_64 \ -enable-kvm \ {UEFI_BIOS} \ -smp sockets=1,cpus=4,cores=2 -cpu host \ -m 4096 \ -vga qxl \ -nographic \ -spice port=5924,disable-ticketing \ -usb \ -device usb-tablet,bus=usb-bus.0 \ -drive file="$IMAGE",if=virtio,aio=threads,format=raw \ -netdev user,id=mynet0,hostfwd=tcp::${VMN}0022-:22,hostfwd=tcp::${VMN}2375-:2375 \ -device virtio-net-pci,netdev=mynet0 \ -debugcon file:debug.log -global isa-debugcon.iobase=0x402 $@
重新下載開機檔案:
rm -v OVMF*.fd curl -O https://cdn.download.clearlinux.org/image/OVMF.fd curl -O https://cdn.download.clearlinux.org/image/OVMF_CODE.fd curl -O https://cdn.download.clearlinux.org/image/OVMF_VARS.fd
擴充 vm 硬碟空間:
[feuer@kiosk430 ClearOS]$ qemu-img resize -f raw clear-34500-kvm.img +10G Image resized.
啟動 vm:
./start_qemu_spice.sh clear-34500-kvm.img
在 host 執行 “ip a” 可以看到 vm 的 ip:
6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 52:54:00:25:d0:b7 brd ff:ff:ff:ff:ff:ff inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 valid_lft forever preferred_lft forever
執行 remote-viewer spice 來進入 vm :
[feuer@kiosk430 ClearOS]$ remote-viewer spice://192.168.122.1:5924