1. I'm trying to set a password for my root user on a virtual machine using virt-customize. 2. virt-customize -a server1.qcow2 --root-password password:s1st3mas 3. virt-customize: error: libguestfs error: /usr/bin/supermin exited with error status 1. To see full error messages you may need to enable debugging. Do: export LIBGUESTFS_DEBUG=1 LIBGUESTFS_TRACE=1 and run the command again. For further information, read: http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs You can also run 'libguestfs-test-tool' and post the *complete* output into a bug report or message to the libguestfs mailing list. If reporting bugs, run virt-customize with debugging enabled and include the complete output: virt-customize -v -x [...] 4. [ 0.0] Examining the guest ... libguestfs: trace: set_verbose true libguestfs: trace: set_verbose = 0 libguestfs: create: flags = 0, handle = 0x55819f53b990, program = virt-customize libguestfs: trace: set_network true libguestfs: trace: set_network = 0 libguestfs: trace: add_drive "server1.qcow2" "readonly:false" "protocol:file" "discard:besteffort" libguestfs: trace: add_drive = 0 libguestfs: trace: launch libguestfs: trace: max_disks libguestfs: trace: max_disks = 255 libguestfs: trace: get_tmpdir libguestfs: trace: get_tmpdir = "/tmp" libguestfs: trace: version libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 46, release: 2, extra: , > libguestfs: trace: get_backend libguestfs: trace: get_backend = "direct" libguestfs: launch: program=virt-customize libguestfs: launch: version=1.46.2 libguestfs: launch: backend registered: unix libguestfs: launch: backend registered: uml libguestfs: launch: backend registered: libvirt libguestfs: launch: backend registered: direct libguestfs: launch: backend=direct libguestfs: launch: tmpdir=/tmp/libguestfsAKaDFv libguestfs: launch: umask=0022 libguestfs: launch: euid=1121 libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/var/tmp" libguestfs: begin building supermin appliance libguestfs: run supermin libguestfs: command: run: /usr/bin/supermin libguestfs: command: run: \ --build libguestfs: command: run: \ --verbose libguestfs: command: run: \ --if-newer libguestfs: command: run: \ --lock /var/tmp/.guestfs-1121/lock libguestfs: command: run: \ --copy-kernel libguestfs: command: run: \ -f ext2 libguestfs: command: run: \ --host-cpu x86_64 libguestfs: command: run: \ /usr/lib/x86_64-linux-gnu/guestfs/supermin.d libguestfs: command: run: \ -o /var/tmp/.guestfs-1121/appliance.d supermin: version: 5.2.1 supermin: package handler: debian/dpkg supermin: acquiring lock on /var/tmp/.guestfs-1121/lock supermin: build: /usr/lib/x86_64-linux-gnu/guestfs/supermin.d supermin: reading the supermin appliance supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/base.tar.gz type gzip base image (tar) supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/daemon.tar.gz type gzip base image (tar) supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/excludefiles type uncompressed excludefiles supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/hostfiles type uncompressed hostfiles supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/init.tar.gz type gzip base image (tar) supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/packages type uncompressed packages supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/packages-hfsplus type uncompressed packages supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/packages-reiserfs type uncompressed packages supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/packages-xfs type uncompressed packages supermin: build: visiting /usr/lib/x86_64-linux-gnu/guestfs/supermin.d/udev-rules.tar.gz type gzip base image (tar) supermin: mapping package names to installed packages supermin: resolving full list of package dependencies supermin: build: 218 packages, including dependencies supermin: build: 8444 files supermin: build: 4972 files, after matching excludefiles supermin: build: 4981 files, after adding hostfiles supermin: build: 4978 files, after removing unreadable files supermin: build: 4984 files, after munging supermin: kernel: looking for kernel using environment variables ... supermin: kernel: looking for kernels in /lib/modules/*/vmlinuz ... supermin: kernel: looking for kernels in /boot ... supermin: kernel: kernel version of /boot/vmlinuz-5.15.0-163-generic = 5.15.0-163-generic (from filename) supermin: kernel: picked modules path /lib/modules/5.15.0-163-generic supermin: kernel: kernel version of /boot/vmlinuz-5.15.0-161-generic = 5.15.0-161-generic (from content) supermin: kernel: picked modules path /lib/modules/5.15.0-161-generic supermin: kernel: picked vmlinuz /boot/vmlinuz-5.15.0-163-generic supermin: kernel: kernel_version 5.15.0-163-generic supermin: kernel: modpath /lib/modules/5.15.0-163-generic cp: cannot open '/boot/vmlinuz-5.15.0-163-generic' for reading: Permission denied supermin: cp -p '/boot/vmlinuz-5.15.0-163-generic' '/var/tmp/.guestfs-1121/appliance.d.5yqzh9qi/kernel': command failed, see earlier errors libguestfs: trace: launch = -1 (error) virt-customize: error: libguestfs error: /usr/bin/supermin exited with error status 1, see debug messages above If reporting bugs, run virt-customize with debugging enabled and include the complete output: virt-customize -v -x [...] libguestfs: trace: close libguestfs: closing guestfs handle 0x55819f53b990 (state 0) libguestfs: command: run: rm libguestfs: command: run: \ -rf /tmp/libguestfsAKaDFv