:: [devuan-dev] bug#442: bash: cannot …
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著者: Mark Hindley
日付:  
To: Ryutaroh Matsumoto
CC: 442
題目: [devuan-dev] bug#442: bash: cannot use job control in an unprivileged LXC container
On Fri, May 08, 2020 at 07:43:50PM +0900, Ryutaroh Matsumoto wrote:
> Hi Mark,
>
> > Is that not seen on Debian running systemd or sysvinit?
>
> I do not see this symptom with
>
> Host Linux = Debian Bullseye (lxc version 4.0.2 in Debian experimental)
> Guest Linux = Debian Buster runnning systemd-sysv (bash package version is 5.0-4).
>
> I cannot test sysvinit on Buster, because Debian Buster does not have
> the sysvinit-core package!!!!!


I think it does:

sysvinit-core | 2.88dsf-59    | oldoldstable | amd64, armel, armhf, i386
sysvinit-core | 2.88dsf-59.9  | oldstable    | amd64, arm64, armel, armhf, i386, mips, mips64el, mipsel, ppc64el, s390x
sysvinit-core | 2.93-8        | stable       | amd64, arm64, armel, armhf, i386, mips, mips64el, mipsel, ppc64el, s390x
sysvinit-core | 2.96-3        | testing      | amd64, arm64, armel, armhf, i386, mips64el, mipsel, ppc64el, s390x
sysvinit-core | 2.96-3        | unstable     | amd64, arm64, armel, armhf, i386, mips64el, mipsel, ppc64el, s390x


But no matter, I was just trying to narrow down possibilities.

>
> > This message is usually seen when there is no tty allocated. Are you logging in
> > from a text terminal or x terminal?
>
> "lxc-start -F -n devuan" was started from tty3 (text).


The usual quoted workaround for this sysmptom is using setsid(1) so that
the process is a session leader. However, I don't have any experience with lxc
to know if that is possible or relevant in this case.

Best wishes

Mark