Re: creating device nodes

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Great, thanks - that seems to work:
/etc/tmpfiles.d/fuse.conf:

#Type Path       Mode User Group Age Argument
c!     /dev/fuse  0666 root root  -   10:229

Mind you, I'm not entirely clear on what the '!' is for; I just put it in because the manpage said it was a good idea :-)

Now to replicate that with ansible for my other containers ...

Cheers,
Richard

On 5/04/23 20:22, Mantas Mikulėnas wrote:
.device units do not mknod, they only represent existing state.

/dev/fuse is usually created through tmpfiles.d (which gets its configuration via kmod-static-nodes.service).

# kmod static-nodes --format=tmpfiles

On Wed, Apr 5, 2023 at 11:13 AM Richard Hector <richard@xxxxxxxxxxxxx <mailto:richard@xxxxxxxxxxxxx>> wrote:

    Hi all,

    I want to create a device (/dev/fuse) in an LXC container. The kernel
    bit works; I can mknod manually, but I'd rather use a systemd unit, and
    make it a dependency of mounting filesystems from /etc/fstab.

    It looks like .device units are supposed to be created automatically if
    there's an appropriate udev rule with TAG+="systemd" - these lines
    exists in /usr/lib/udev/rules.d/99-systemd.rules:

    # Asynchronously mount file systems implemented by these modules as
    soon
    as they are loaded.
    SUBSYSTEM=="module", KERNEL=="fuse", TAG+="systemd",
    ENV{SYSTEMD_WANTS}+="sys-fs-fuse-connections.mount"

    The comment seems to suggest it will cause the filesystems to be
    mounted
    when the device is created, which is kind of the reverse of what I'm
    after. Do I need a different line?

    Or do I need to create a .device unit file manually? I can't see much
    info on doing that.

    Cheers,
    Richard



--
Mantas Mikulėnas




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