Hi,Richard: &nbsp; &nbsp; &nbsp; &nbsp;I use&nbsp;/bin/virt-copy-in&nbsp; failed , virt-copy-in&nbsp;&nbsp;have no diff with other nomarl machine(work well ) ,&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; /bin/virt-copy-in: symbol lookup error: /lib64/libguestfs.so.0: undefined symbol: json_string_length&nbsp; &nbsp; &nbsp; &nbsp;here are the message&nbsp; , Thanks for you help .&nbsp; # uname&nbsp; -a Linux sh-op-offline-vmhost01.sh.sftcwl.com 4.19.8-1.el7.elrepo.x86_64 #1 SMP Sat Dec 8 10:07:47 EST 2018 x86_64 x86_64 x86_64 GNU/Linux # cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) #&nbsp; /bin/virt-copy-in --version libguestfs: trace: set_verbose true libguestfs: trace: set_verbose = 0 libguestfs: create: flags = 0, handle = 0x56457b6e0700, program = virt-copy-in virt-copy-in 1.40.2rhel=7,release=5.el7_7.3,libvirt libguestfs: trace: close libguestfs: closing guestfs handle 0x56457b6e0700 (state 0) # virt-copy-in /etc/resolv.conf -a 10.188.188.34.sys.img /etc/ libguestfs: trace: set_verbose true libguestfs: trace: set_verbose = 0 libguestfs: create: flags = 0, handle = 0x55a0a79a9700, program = virt-copy-in libguestfs: trace: set_pgroup true libguestfs: trace: set_pgroup = 0 libguestfs: trace: add_drive "10.188.188.34.sys.img" libguestfs: trace: add_drive = 0 libguestfs: trace: is_config libguestfs: trace: is_config = 1 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: 40, release: 2, extra: rhel=7,release=5.el7_7.3,libvirt, &gt; libguestfs: trace: get_backend libguestfs: trace: get_backend = "libvirt" libguestfs: launch: program=virt-copy-in libguestfs: launch: version=1.40.2rhel=7,release=5.el7_7.3,libvirt libguestfs: launch: backend registered: unix libguestfs: launch: backend registered: uml libguestfs: launch: backend registered: libvirt libguestfs: launch: backend registered: direct libguestfs: launch: backend=libvirt libguestfs: launch: tmpdir=/tmp/libguestfs8F29Zb libguestfs: launch: umask=0022 libguestfs: launch: euid=0 libguestfs: libvirt version = 4005000 (4.5.0) libguestfs: guest random name = guestfs-z60wka9s9sjgb52d libguestfs: connect to libvirt libguestfs: opening libvirt handle: URI = qemu:///system, auth = default+wrapper, flags = 0 libguestfs: successfully opened libvirt handle: conn = 0x55a0a79ab150 libguestfs: qemu version (reported by libvirt) = 1005003 (1.5.3) libguestfs: get libvirt capabilities libguestfs: parsing capabilities XML libguestfs: trace: get_backend_setting "force_tcg" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: get_backend_setting "internal_libvirt_label" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: get_backend_setting "internal_libvirt_imagelabel" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: trace: get_backend_setting "internal_libvirt_norelabel_disks" libguestfs: trace: get_backend_setting = NULL (error) libguestfs: build appliance libguestfs: trace: get_cachedir libguestfs: trace: get_cachedir = "/var/tmp" libguestfs: begin building supermin appliance libguestfs: run supermin libguestfs: command: run: /usr/bin/supermin5 libguestfs: command: run: \ --build libguestfs: command: run: \ --verbose libguestfs: command: run: \ --if-newer libguestfs: command: run: \ --lock /var/tmp/.guestfs-0/lock libguestfs: command: run: \ --copy-kernel libguestfs: command: run: \ -f ext2 libguestfs: command: run: \ --host-cpu x86_64 libguestfs: command: run: \ /usr/lib64/guestfs/supermin.d libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d supermin: version: 5.1.19 supermin: rpm: detected RPM version 4.11 supermin: package handler: fedora/rpm supermin: acquiring lock on /var/tmp/.guestfs-0/lock supermin: if-newer: output does not need rebuilding libguestfs: finished building supermin appliance libguestfs: trace: disk_create "/tmp/libguestfs8F29Zb/overlay1.qcow2" "qcow2" -1 "backingfile:/var/tmp/.guestfs-0/appliance.d/root" "backingformat:raw" libguestfs: command: run: qemu-img libguestfs: command: run: \ create libguestfs: command: run: \ -f qcow2 libguestfs: command: run: \ -o backing_file=/var/tmp/.guestfs-0/appliance.d/root,backing_fmt=raw libguestfs: command: run: \ /tmp/libguestfs8F29Zb/overlay1.qcow2 Formatting '/tmp/libguestfs8F29Zb/overlay1.qcow2', fmt=qcow2 size=4294967296 backing_file='/var/tmp/.guestfs-0/appliance.d/root' backing_fmt='raw' encryption=off cluster_size=65536 lazy_refcounts=off libguestfs: trace: disk_create = 0 libguestfs: trace: get_sockdir libguestfs: trace: get_sockdir = "/tmp" libguestfs: set_socket_create_context: getcon failed: (none): Invalid argument [you can ignore this message if you are not using SELinux + sVirt] libguestfs: clear_socket_create_context: setsockcreatecon failed: NULL: Invalid argument [you can ignore this message if you are not using SELinux + sVirt] libguestfs: create libvirt XML libguestfs: trace: disk_format "10.188.188.34.sys.img" libguestfs: command: run: qemu-img --help | grep -sqE -- '\binfo\b.*-U\b' libguestfs: command: run: qemu-img libguestfs: command: run: \ info libguestfs: command: run: \ --output json libguestfs: command: run: \ ./10.188.188.34.sys.img libguestfs: parse_json: qemu-img info JSON output:\n{\n&nbsp; &nbsp; "virtual-size": 53687091200, \n&nbsp; &nbsp; "filename": "./10.188.188.34.sys.img", \n&nbsp; &nbsp; "cluster-size": 65536, \n&nbsp; &nbsp; "format": "qcow2", \n&nbsp; &nbsp; "actual-size": 7686270976, \n&nbsp; &nbsp; "format-specific": {\n&nbsp; &nbsp; &nbsp; &nbsp; "type": "qcow2", \n&nbsp; &nbsp; &nbsp; &nbsp; "data": {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; "compat": "1.1", \n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; "lazy-refcounts": true\n&nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; }, \n&nbsp; &nbsp; "dirty-flag": false\n}\n\n /bin/virt-copy-in: symbol lookup error: /lib64/libguestfs.so.0: undefined symbol: json_string_length