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Questions tagged [virtfs]

9 questions
12
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3 answers

Can virtfs/9p be used as root file system?

Is it possible to use a folder shared from the host to the guest via virtfs/9p as the root file system inside the guest? Loosely related to my previous question: Can virtfs/9p be used to share the same host folder with multiple guests?
0xC0000022L
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1 answer

Virtfs (Plan 9) vs NFS as tool for share folder for virtual machine

I have QEMU virtual machine. Linux host and linux guest. I want stable and fast solution with minimal performance cost. I'm considering two technologies for shared folders (between guest and host): NFS and VirtFS (Plan 9). There is small amount…
petRUShka
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Can virtfs/9p be used to share the same host folder with multiple guests?

So far I have resorted to sharing host folders with the KVM guests via Samba. Now, reading up a bit on it, it appears that "VirtFS (Plan 9 folder sharing over Virtio - I/O virtualization framework)" offers an easier way. However, I was unable to…
0xC0000022L
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How share folder with QEMU between MacOS host and Linux guest?

I am trying to run a Linux Debian with qemu with MacOS Big Sur host. Unfortunately virtfs doesn't work on Mac and there is no easy alternative that I have found. Is there a way to share folders? Thanks!! EDIT: This is what I need:…
laurajaime
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1 answer

cp -a fails to copy symlinks on virtfs

Problem: Trying to copy the entire content of one directory to another which includes hidden files/directories and symlinks. This is fairly straightforward cp -a ${src} ${dst} It works as expected on my local VM but it doesn't work properly on my…
Fuzzy Logic
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1 answer

How to setup permission for virtfs in system libvirtd

I have troubles setting up the permissions for virtfs. I need to share a folder with several VMs in a way that user (same username, uid and gid on guests and host) can access it (have full permissions). I've tried various options but none gives the…
Maciej Piechotka
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Should I worry if 'pkexec' is in a cPanel user's /home/virtfs (CVE-2021-4034)?

The recent security bug CVE-2021-4034 in Linux involves /usr/bin/pkexec. Following media reports (zdnet, etc.) I changed its permission, but also found this file: /home/virtfs/foo/usr/bin/pkexec for cPanel user foo. I don't know why a user would…
kitchin
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1 answer

Virtualisation: follow symbolic links in VirtFS (9p) share

I have folder on host machine which have symlinks to another device. Like this $ ls -all ~/folder_to_share ... file1 file2 linked_dir -> /mnt/bdrive/real_dir/ ... I setup QEMU virtual machine via libvirt and vagrant-libvirt. And also setup sharing…
petRUShka
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High disk usage with virtfs

I'm trying to figure out (1) how much actual space is in use on my server and (2) what will happen if I use more of it. I originally posted a version of this question on ServerFault, but they kicked me over here. Background: I am running a server…
elixenide
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