Quoting Linux-Fan (2020-02-13 20:29:47) > Hello list members, > > having seen this recently on the mailing list, I am interested to try out > `mmdebstrap` (as a replacement for `debootstrap`). The ultimate goal of my > use of these utilities is to arrive at an image suitable for booting an armhf > SBC (Banana Pi M2+ EDU). Existing (overly complicated and not debian-only) > work on this is on https://github.com/m7a/lp-banana-pi-m2p-edu (just for > completeness, might be irrelevant to the issue at hand). > > So far, I installed `mmdebstrap` and tried the most simple of invocations: > > ~~~ > $ mmdebstrap stable test.tar > I: automatically chosen mode: fakechroot > I: chroot architecture amd64 is equal to the host's architecture > I: using /tmp/mmdebstrap.r10cMA6wAV as tempdir > I: running apt-get update... > done > I: downloading packages with apt... > done > I: extracting archives... > done > /usr/sbin/chroot: cannot change root directory to '/tmp/mmdebstrap.r10cMA6wAV': Operation not permitted > I: the /bin/mv binary inside the chroot doesn't work under fakechroot > I: with certain versions of coreutils and glibc, this is due to missing support for renameat2 in fakechroot > I: see https://github.com/dex4er/fakechroot/issues/60 > I: expect package post installation scripts not to work > I: installing packages... > done > /usr/sbin/chroot: cannot change root directory to '/tmp/mmdebstrap.r10cMA6wAV': Operation not permitted > E: /usr/sbin/chroot /tmp/mmdebstrap.r10cMA6wAV env --unset=TMPDIR dpkg --install --force-depends --status-fd=<$fd> /var/cache/apt/archives//libpcre3_2%3a8.39-12_amd64.deb /var/cache/apt/archives//findutils_4.6.0+git+20190209-2_amd64.deb /var/cache/apt/archives//libc6_2.28-10_amd64.deb /var/cache/apt/archives//ncurses-bin_6.1+20181013-2+deb10u2_amd64.deb /var/cache/apt/archives//libncursesw6_6.1+20181013-2+deb10u2_amd64.deb /var/cache/apt/archives//libuuid1_2.33.1-0.1_amd64.deb /var/cache/apt/archives//libbz2-1.0_1.0.6-9.2~deb10u1_amd64.deb /var/cache/apt/archives//debconf_1.5.71_all.deb /var/cache/apt/archives//base-passwd_3.5.46_amd64.deb /var/cache/apt/archives//gcc-8-base_8.3.0-6_amd64.deb /var/cache/apt/archives//libpam0g_1.3.1-5_amd64.deb /var/cache/apt/archives//dpkg_1.19.7_amd64.deb /var/cache/apt/archives//fdisk_2.33.1-0.1_amd64.deb /var/cache/apt/archives//tar_1.30+dfsg-6_amd64.deb /var/cache/apt/archives//mawk_1.3.3-17+b3_amd64.deb /var/cache/apt/archives//gzip_1.9-3_amd64.deb /var/cache/apt/archives//libdb5.3_5.3.28+dfsg1-0.5_amd64.deb /var/cache/apt/archives//coreutils_8.30-3_amd64.deb /var/cache/apt/archives//liblz4-1_1.8.3-1_amd64.deb /var/cache/apt/archives//init-system-helpers_1.56+nmu1_all.deb /var/cache/apt/archives//libselinux1_2.8-1+b1_amd64.deb /var/cache/apt/archives//libmount1_2.33.1-0.1_amd64.deb /var/cache/apt/archives//libaudit1_1%3a2.8.4-3_amd64.deb /var/cache/apt/archives//bsdutils_1%3a2.33.1-0.1_amd64.deb /var/cache/apt/archives//libpam-modules-bin_1.3.1-5_amd64.deb /var/cache/apt/archives//libgcrypt20_1.8.4-5_amd64.deb /var/cache/apt/archives//zlib1g_1%3a1.2.11.dfsg-1_amd64.deb /var/cache/apt/archives//hostname_3.21_amd64.deb /var/cache/apt/archives//libblkid1_2.33.1-0.1_amd64.deb /var/cache/apt/archives//liblzma5_5.2.4-1_amd64.deb /var/cache/apt/archives//libcap-ng0_0.7.9-2_amd64.deb /var/cache/apt/archives//libsystemd0_241-7~deb10u3_amd64.deb /var/cache/apt/archives//libpam-runtime_1.3.1-5_all.deb /var/cache/apt/archives//libtinfo6_6.1+20181013-2+deb10u2_amd64.deb /var/cache/apt/archives//libc-bin_2.28-10_amd64.deb /var/cache/apt/archives//libaudit-common_1%3a2.8.4-3_all.deb /var/cache/apt/archives//diffutils_1%3a3.7-3_amd64.deb /var/cache/apt/archives//ncurses-base_6.1+20181013-2+deb10u2_all.deb /var/cache/apt/archives//libgcc1_1%3a8.3.0-6_amd64.deb /var/cache/apt/archives//libattr1_1%3a2.4.48-4_amd64.deb /var/cache/apt/archives//libfdisk1_2.33.1-0.1_amd64.deb /var/cache/apt/archives//perl-base_5.28.1-6_amd64.deb /var/cache/apt/archives//libdebconfclient0_0.249_amd64.deb /var/cache/apt/archives//libudev1_241-7~deb10u3_amd64.deb /var/cache/apt/archives//libgpg-error0_1.35-1_amd64.deb /var/cache/apt/archives//sed_4.7-1_amd64.deb /var/cache/apt/archives//libsmartcols1_2.33.1-0.1_amd64.deb /var/cache/apt/archives//base-files_10.3+deb10u3_amd64.deb /var/cache/apt/archives//dash_0.5.10.2-5_amd64.deb /var/cache/apt/archives//sysvinit-utils_2.93-8_amd64.deb /var/cache/apt/archives//util-linux_2.33.1-0.1_amd64.deb /var/cache/apt/archives//login_1%3a4.5-1.1_amd64.deb /var/cache/apt/archives//bash_5.0-4_amd64.deb /var/cache/apt/archives//grep_3.3-1_amd64.deb /var/cache/apt/archives//libacl1_2.2.53-4_amd64.deb /var/cache/apt/archives//debianutils_4.8.6.1_amd64.deb /var/cache/apt/archives//libpam-modules_1.3.1-5_amd64.deb failed > I: removing tempdir /tmp/mmdebstrap.r10cMA6wAV... > ~~~ > > When I run the same command as root, it proceeds without error. However, I > wanted to try out this nice possibility of creating chroots without root and > so far, it does not seem to work. How can I get to work mmdebstrap without > being root? > > OS: Debian 10 (buster/stable) amd64. > /tmp resides on the root filesystem (ext4). Beware that this is more of a development question than a user question. Yes, developers are users too - my point is that those following this mailinglist are less likely to be able to help with issues of "splitting atoms" of an operating system than with adjusting configfiles of an officially installed one. I recommend to read section "MODES" in man page for mmdebstrap, which nicely lays out how different approaches complicates matters in different ways. One way to simplify things is to build on ARM. Another is to generate not a filesystem but a tarball (and then use different approach to turn that into a bootable image). Yet another is (likely) to target bullseye instead of buster. - Jonas -- * Jonas Smedegaard - idealist & Internet-arkitekt * Tlf.: +45 40843136 Website: http://dr.jones.dk/ [x] quote me freely [ ] ask before reusing [ ] keep private
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