Difference between revisions of "Running Alpine in Qemu Live mode"

From Alpine Linux
Jump to: navigation, search
m
m
Line 8: Line 8:
 
<u>Response</u> ''to self'': Yes. I do it like this, mounting /dev/vda1 to store the '''apkovl''' and the '''apkcache''':
 
<u>Response</u> ''to self'': Yes. I do it like this, mounting /dev/vda1 to store the '''apkovl''' and the '''apkcache''':
  
 +
Preparing a KVM with a virtual drive:
 
<pre>
 
<pre>
 
mkdir -p /media/usb/images
 
mkdir -p /media/usb/images
Line 19: Line 20:
 
</pre>
 
</pre>
  
And inside the KVM:
+
And inside the KVM (in alpinelinux):
  
 
<pre>
 
<pre>
fdisk /dev/vda
+
fdisk /dev/vda #creating a partition
 
mkdosfs /dev/vda1
 
mkdosfs /dev/vda1
 
mkdir -p /media/vda1
 
mkdir -p /media/vda1

Revision as of 17:28, 6 May 2020

To just give Alpine Linux a try in diskless mode, qemu can be used to boot the .iso file without any need for a virtual HDD image or further configuration.

qemu -m 512 -cdrom alpine-3.2.0-x86_64.iso

Issue

grsec nomodeset

at boot prompt to avoid being forced into graphical mode and loosing access.

Question: Is there a way to pass an apkovl as paramater at this stage?
Response to self: Yes. I do it like this, mounting /dev/vda1 to store the apkovl and the apkcache:

Preparing a KVM with a virtual drive:

mkdir -p /media/usb/images
qemu-img create -f raw /media/usb/images/mykvm.config 32M
qemu-system-x86_64 -enable-kvm -m 384 \
-name mykvm \
-cdrom /media/usb/images/alpine-3.2.0-x86_64.iso \
-drive file=/media/usb/images/mykvm.config,if=virtio \ 
-net lan \
-boot d &

And inside the KVM (in alpinelinux):

fdisk /dev/vda  #creating a partition
mkdosfs /dev/vda1
mkdir -p /media/vda1
# Newer releases seem to automount partitions without this entry, thus not required anymore:
# echo "/dev/vda1 /media/config vfat rw 0 0" >> /etc/fstab
mount /dev/vda1 /media/vda1
setup-alpine  # (select vda1 for saving state)
lbu commit

The next reboot then loads the generated apkovl and apkcache found on /dev/vda1 -- completely running-from-ram based on the latest official ISO.