Re: Creating a container from a container

["Ludovic Courtès" <ludo@gnu.org>]

Hello!

Konrad Hinsen <konrad.hinsen@fastmail.net> skribis:

> I am trying to run "guix shell -C" inside another container created with
> "guix shell -C". I figured out that I need to take care of three
> aspects:

I realize I had never tried this, but it sounds fun.  :-)

This works well for me:

--8<---------------cut here---------------start------------->8---
$ guix describe
Generation 232  Oct 13 2022 16:14:01    (current)
  guix 8b192c5
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 8b192c5550213911f930594f4fd7386f36618237
$ guix shell --expose=/gnu/store --expose=/var/guix/daemon-socket -C guix -- guix shell -C coreutils
[env]$ ls /gnu/store/
094bbaq6glba86h1d4cj16xhdi6fk2jl-gcc-10.3.0-lib
5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33
720rj90bch716isd8z7lcwrnvz28ap4y-bash-static-5.1.8
8fpk2cja3f07xls48jfnpgrzrljpqivr-coreutils-8.32
9rrnm5hdjw7cy96a2a9rfgh6y08wsbmf-ncurses-6.2.20210619
a38k2v29l6l0iz6pmlk4dmzwdbvl10lq-acl-2.3.1
a7ggx0af69gv4k5mr1k617p4vy9kgx2v-libcap-2.62
d99ykvj3axzzidygsmdmzxah4lvxd6hw-bash-5.1.8
fwbiihd2sbhai63y1pvvdh0f2bakfzrf-gmp-6.2.1
jkjs0inmzhj4vsvclbf08nmh0shm7lrf-attr-2.5.1
jlp9lzac8bcd6dlfmgzy2wsplz7nwb8r-profile
sp6gqzyczlnxas8pmhpsjfn4lv2az4n0-emacs-subdirs
wcwls45278gzpjvwlvrrs1y7h30g44xh-readline-8.1.1
xx946lncjfqic6dg1pgaisg09jy8fqka-info-dir
--8<---------------cut here---------------end--------------->8---

> With those precautions, my setup works some of the time but in other
> conditions (which I haven't yet identified) I get the error message
>
>   guix shell: error: mount: mount "none" on "/tmp/guix-directory.K4MoFR/sys": Operation not permitted

It’s weird that it’s not deterministic.

Could you prepend your command with:

  strace -f -o /tmp/log -s 100

and share /tmp/log?

What does ‘uname -rv’ report?

Is this on a foreign distro?

Thanks,
Ludo’.