[lxc-users] lxc-users Digest, Vol 53, Issue 1
Thouraya TH
thouraya87 at gmail.com
Mon Dec 15 13:51:35 UTC 2014
Thank you so much for help.
Yeah,i'm
* behind a firewall. *
I'm trying to test your solution
*:1) *
* is to download the key using wget or curl*
*--------> Where can i find the key please ?*
Thanks a lot.
Best Regards.
2014-12-15 13:00 GMT+01:00 <lxc-users-request at lists.linuxcontainers.org>:
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> Today's Topics:
>
> 1. systemd-based unprivileged containers (Christian Brauner)
> 2. Re: Ubuntu Trusty Tahr 14.04 LTS (Eric Keller)
>
>
> ---------- Message transféré ----------
> From: Christian Brauner <christianvanbrauner at gmail.com>
> To: lxc-users at lists.linuxcontainers.org
> Cc:
> Date: Sun, 14 Dec 2014 14:51:57 +0100
> Subject: [lxc-users] systemd-based unprivileged containers
> Hello,
>
> I'm using unprivileged lxc containers. Currently I'm trying to use
> Debian Jessie. Which provides me with a few riddles. When I start the
> container I get two error messages:
>
> [chb at conventiont ~]$ lxc-start -n jessie -l DEBUG -o jessie
> lxc-start: conf.c: mk_devtmpfs: 1318 Permission denied - Unable to
> create /dev/.lxc for autodev
> Failed to mount cgroup at /sys/fs/cgroup/systemd: Operation not
> permitted
>
> 1) "lxc-start: conf.c: mk_devtmpfs: 1318 Permission denied - Unable to
> create /dev/.lxc for autodev": I understand that unprivileged containers
> do not have permissions to set up folders under /dev. Is there a
> recommended way to solve this problem?
>
> 2) "Failed to mount cgroup at /sys/fs/cgroup/systemd: Operation not
> permitted": What is goin on here and how can I solve this?
>
> Here is the error log (container config files below):
>
> lxc-start 1418564089.500 INFO lxc_start_ui -
> lxc_start.c:main:265 - using rcfile /home/chb/.local/share/lxc/jessie/config
> lxc-start 1418564089.500 INFO lxc_confile -
> confile.c:config_idmap:1325 - read uid map: type u nsid 0 hostid 100000
> range 65536
> lxc-start 1418564089.500 INFO lxc_confile -
> confile.c:config_idmap:1325 - read uid map: type g nsid 0 hostid 100000
> range 65536
> lxc-start 1418564089.501 WARN lxc_log - log.c:lxc_log_init:316 -
> lxc_log_init called with log already initialized
> lxc-start 1418564089.502 WARN lxc_cgmanager -
> cgmanager.c:cgm_get:954 - do_cgm_get exited with error
> lxc-start 1418564089.503 DEBUG lxc_conf -
> conf.c:lxc_create_tty:3665 - allocated pty '/dev/pts/2' (5/6)
> lxc-start 1418564089.503 DEBUG lxc_conf -
> conf.c:lxc_create_tty:3665 - allocated pty '/dev/pts/3' (7/8)
> lxc-start 1418564089.503 DEBUG lxc_conf -
> conf.c:lxc_create_tty:3665 - allocated pty '/dev/pts/4' (9/10)
> lxc-start 1418564089.503 DEBUG lxc_conf -
> conf.c:lxc_create_tty:3665 - allocated pty '/dev/pts/5' (11/12)
> lxc-start 1418564089.503 INFO lxc_conf -
> conf.c:lxc_create_tty:3676 - tty's configured
> lxc-start 1418564089.503 DEBUG lxc_start -
> start.c:setup_signal_fd:247 - sigchild handler set
> lxc-start 1418564089.503 DEBUG lxc_console -
> console.c:lxc_console_peer_default:500 - opening /dev/tty for console peer
> lxc-start 1418564089.503 DEBUG lxc_console -
> console.c:lxc_console_peer_default:506 - using '/dev/tty' as console
> lxc-start 1418564089.503 DEBUG lxc_console -
> console.c:lxc_console_sigwinch_init:179 - 2708 got SIGWINCH fd 17
> lxc-start 1418564089.503 DEBUG lxc_console -
> console.c:lxc_console_winsz:88 - set winsz dstfd:14 cols:84 rows:49
> lxc-start 1418564089.912 INFO lxc_start - start.c:lxc_init:443 -
> 'jessie' is initialized
> lxc-start 1418564089.912 DEBUG lxc_start -
> start.c:__lxc_start:1058 - Not dropping cap_sys_boot or watching utmp
> lxc-start 1418564089.912 INFO lxc_start - start.c:lxc_spawn:802
> - Cloning a new user namespace
> lxc-start 1418564089.912 INFO lxc_cgroup -
> cgroup.c:cgroup_init:62 - cgroup driver cgmanager initing for jessie
> lxc-start 1418564090.110 NOTICE lxc_start - start.c:do_start:656 -
> switching to gid/uid 0 in new user namespace
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:setup_rootfs:1611 - mounted
> '/home/chb/.local/share/lxc/jessie/rootfs' on '/usr/lib/lxc/rootfs'
> lxc-start 1418564090.116 INFO lxc_conf -
> conf.c:setup_utsname:900 - 'jessie' hostname has been setup
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:setup_hw_addr:2557 - mac address '00:16:3e:3a:f1:12' on 'eth0' has
> been setup
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:setup_netdev:2784 - 'eth0' has been setup
> lxc-start 1418564090.116 INFO lxc_conf -
> conf.c:setup_network:2805 - network has been setup
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:check_autodev:3906 - Set exec command to /sbin/init
> lxc-start 1418564090.116 INFO lxc_conf -
> conf.c:check_autodev:3920 - Container with systemd init detected - enabling
> autodev!
> lxc-start 1418564090.116 INFO lxc_conf -
> conf.c:mount_autodev:1418 - Mounting /dev under /usr/lib/lxc/rootfs
> lxc-start 1418564090.116 ERROR lxc_conf - conf.c:mk_devtmpfs:1318
> - Permission denied - Unable to create /dev/.lxc for autodev
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:mount_check_fs:1250 - entering mount_check_fs for
> /home/chb/.local/share/lxc/jessie/rootfs.dev
> lxc-start 1418564090.116 DEBUG lxc_conf -
> conf.c:mount_autodev:1449 - Mounting tmpfs to
> /home/chb/.local/share/lxc/jessie/rootfs.dev
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:mount_autodev:1476 - Mounted /dev under /usr/lib/lxc/rootfs
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted 'proc' on '/usr/lib/lxc/rootfs/proc', type 'proc'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted 'sysfs' on '/usr/lib/lxc/rootfs/sys', type 'sysfs'
> lxc-start 1418564090.117 INFO lxc_conf - conf.c:mount_entry:2045
> - failed to mount '/sys/fs/fuse/connections' on
> '/usr/lib/lxc/rootfs/sys/fs/fuse/connections' (optional): No such file or
> directory
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/console on /usr/lib/lxc/rootfs/dev/console to respect
> bind or remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/console was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/console' on '/usr/lib/lxc/rootfs/dev/console', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/full on /usr/lib/lxc/rootfs/dev/full to respect bind or
> remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/full was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/full' on '/usr/lib/lxc/rootfs/dev/full', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/null on /usr/lib/lxc/rootfs/dev/null to respect bind or
> remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/null was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/null' on '/usr/lib/lxc/rootfs/dev/null', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/random on /usr/lib/lxc/rootfs/dev/random to respect bind
> or remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/random was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/random' on '/usr/lib/lxc/rootfs/dev/random', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/tty on /usr/lib/lxc/rootfs/dev/tty to respect bind or
> remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/tty was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/tty' on '/usr/lib/lxc/rootfs/dev/tty', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/urandom on /usr/lib/lxc/rootfs/dev/urandom to respect
> bind or remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/urandom was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/urandom' on '/usr/lib/lxc/rootfs/dev/urandom', type 'none'
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2056
> - remounting /dev/zero on /usr/lib/lxc/rootfs/dev/zero to respect bind or
> remount options
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2071
> - (at remount) flags for /dev/zero was 4098, required extra flags are 2
> lxc-start 1418564090.117 DEBUG lxc_conf - conf.c:mount_entry:2106
> - mounted '/dev/zero' on '/usr/lib/lxc/rootfs/dev/zero', type 'none'
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:mount_file_entries:2355 - mount points have been setup
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:setup_autodev:1504 - Creating initial consoles under
> /usr/lib/lxc/rootfs/dev
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:setup_autodev:1512 - Populating /dev under /usr/lib/lxc/rootfs
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:setup_autodev:1527 - Populated /dev under /usr/lib/lxc/rootfs
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:setup_dev_console:1836 - console has been setup
> lxc-start 1418564090.117 INFO lxc_conf - conf.c:setup_tty:1027 -
> 4 tty(s) has been setup
> lxc-start 1418564090.117 INFO lxc_conf -
> conf.c:do_tmp_proc_mount:3970 - I am 1, /proc/self points to '1'
> lxc-start 1418564090.117 DEBUG lxc_conf -
> conf.c:setup_rootfs_pivot_root:1197 - created
> '/usr/lib/lxc/rootfs/lxc_putold' directory
> lxc-start 1418564090.117 DEBUG lxc_conf -
> conf.c:setup_rootfs_pivot_root:1200 - mountpoint for old rootfs is
> '/usr/lib/lxc/rootfs/lxc_putold'
> lxc-start 1418564090.118 DEBUG lxc_conf -
> conf.c:setup_rootfs_pivot_root:1213 - pivot_root syscall to
> '/usr/lib/lxc/rootfs' successful
> lxc-start 1418564090.151 INFO lxc_conf -
> conf.c:umount_oldrootfs:1151 - lazy unmount of '/lxc_putold'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/dev'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/dev/shm'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/dev/pts'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/dev/hugepages'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/dev/mqueue'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/proc'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/proc/sys/fs/binfmt_misc'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/sys'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/kernel/security'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/sys/fs/cgroup'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/systemd'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/cpuset'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/cpu,cpuacct'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/memory'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/devices'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/freezer'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/net_cls'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/blkio'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/perf_event'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/fs/cgroup/hugetlb'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/sys/fs/pstore'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/firmware/efi/efivars'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/kernel/config'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/sys/kernel/debug'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/run'
> lxc-start 1418564090.151 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/run/user/1000'
> lxc-start 1418564090.152 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/tmp'
> lxc-start 1418564090.152 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount '/lxc_putold/boot'
> lxc-start 1418564090.152 WARN lxc_conf -
> conf.c:umount_oldrootfs:1161 - failed to unmount
> '/lxc_putold/var/lib/docker/btrfs'
> lxc-start 1418564090.152 INFO lxc_conf -
> conf.c:setup_personality:1791 - set personality to '0x0'
> lxc-start 1418564090.152 NOTICE lxc_conf - conf.c:lxc_setup:4253 -
> 'jessie' is setup.
> lxc-start 1418564090.152 NOTICE lxc_start - start.c:start:1152 -
> exec'ing '/sbin/init'
> lxc-start 1418564090.153 NOTICE lxc_start -
> start.c:post_start:1163 - '/sbin/init' started with pid '2732'
> lxc-start 1418564090.153 WARN lxc_start -
> start.c:signal_handler:295 - invalid pid for SIGCHLD
>
>
> a) Container config file:
>
> # Template used to create this container:
> # /usr/share/lxc/templates/lxc-download
> # Parameters passed to the template: -d debian -r jessie -a amd64
> # For additional config options, please look at lxc.container.conf(5)
>
> # Distribution configuration
> lxc.include = /usr/share/lxc/config/debian.common.conf
> lxc.include = /usr/share/lxc/config/debian.userns.conf
> lxc.arch = x86_64
>
> # Container specific configuration
> lxc.id_map = u 0 100000 65536
> lxc.id_map = g 0 100000 65536
> lxc.rootfs = /home/chb/.local/share/lxc/jessie/rootfs
> lxc.utsname = jessie
>
> # Network configuration
> lxc.network.type = veth
> lxc.network.flags = up
> lxc.network.link = br0
> lxc.network.name = eth0
> lxc.network.hwaddr = 00:16:3e:3a:f1:12
> lxc.network.mtu = 1500
> lxc.network.ipv4.gateway = 192.168.200.1
> lxc.network.ipv4 = 192.168.200.12/24
>
> b) /usr/share/lxc/debian.common.conf:
>
> # Default pivot location
> lxc.pivotdir = lxc_putold
>
> # Default mount entries
> lxc.mount.entry = proc proc proc nodev,noexec,nosuid 0 0
> lxc.mount.entry = sysfs sys sysfs defaults 0 0
> lxc.mount.entry = /sys/fs/fuse/connections sys/fs/fuse/connections none
> bind,optional 0 0
>
> # Default console settings
> lxc.tty = 4
> lxc.pts = 1024
>
> # Default capabilities
> lxc.cap.drop = sys_module mac_admin mac_override sys_time
>
> # When using LXC with apparmor, the container will be confined by
> # default.
> # If you wish for it to instead run unconfined, copy the following line
> # (uncommented) to the container's configuration file.
> #lxc.aa_profile = unconfined
>
> # To support container nesting on an Ubuntu host while retaining most
> of
> # apparmor's added security, use the following two lines instead.
> #lxc.aa_profile = lxc-container-default-with-nesting
> #lxc.hook.mount = /usr/share/lxc/hooks/mountcgroups
>
> # If you wish to allow mounting block filesystems, then use the
> # following
> # line instead, and make sure to grant access to the block device
> and/or
> # loop
> # devices below in lxc.cgroup.devices.allow.
> #lxc.aa_profile = lxc-container-default-with-mounting
>
> # Default cgroup limits
> lxc.cgroup.devices.deny = a
> ## Allow any mknod (but not using the node)
> lxc.cgroup.devices.allow = c *:* m
> lxc.cgroup.devices.allow = b *:* m
> ## /dev/null and zero
> lxc.cgroup.devices.allow = c 1:3 rwm
> lxc.cgroup.devices.allow = c 1:5 rwm
> ## consoles
> lxc.cgroup.devices.allow = c 5:0 rwm
> lxc.cgroup.devices.allow = c 5:1 rwm
> ## /dev/{,u}random
> lxc.cgroup.devices.allow = c 1:8 rwm
> lxc.cgroup.devices.allow = c 1:9 rwm
> ## /dev/pts/*
> lxc.cgroup.devices.allow = c 5:2 rwm
> lxc.cgroup.devices.allow = c 136:* rwm
> ## rtc
> lxc.cgroup.devices.allow = c 254:0 rm
> ## fuse
> lxc.cgroup.devices.allow = c 10:229 rwm
> ## tun
> lxc.cgroup.devices.allow = c 10:200 rwm
> ## full
> lxc.cgroup.devices.allow = c 1:7 rwm
> ## hpet
> lxc.cgroup.devices.allow = c 10:228 rwm
> ## kvm
> lxc.cgroup.devices.allow = c 10:232 rwm
> ## To use loop devices, copy the following line to the container's
> ## configuration file (uncommented).
> #lxc.cgroup.devices.allow = b 7:* rwm
>
> # Blacklist some syscalls which are not safe in privileged
> # containers
> lxc.seccomp = /usr/share/lxc/config/common.seccomp
>
> c) /usr/share/lxc/debian.userns.conf:
>
> # CAP_SYS_ADMIN in init-user-ns is required for cgroup.devices
> lxc.cgroup.devices.deny =
> lxc.cgroup.devices.allow =
>
> # Extra bind-mounts for userns
> lxc.mount.entry = /dev/console dev/console none bind,create=file 0 0
> lxc.mount.entry = /dev/full dev/full none bind,create=file 0 0
> lxc.mount.entry = /dev/null dev/null none bind,create=file 0 0
> lxc.mount.entry = /dev/random dev/random none bind,create=file 0 0
> lxc.mount.entry = /dev/tty dev/tty none bind,create=file 0 0
> lxc.mount.entry = /dev/urandom dev/urandom none bind,create=file 0 0
> lxc.mount.entry = /dev/zero dev/zero none bind,create=file 0 0
>
> # Default seccomp policy is not needed for unprivileged containers, and
> # non-root users cannot use seccmp without NNP anyway.
> lxc.seccomp =
>
> Best,
> Christian
>
>
>
> ---------- Message transféré ----------
> From: Eric Keller <keller.eric at gmail.com>
> To: LXC users mailing-list <lxc-users at lists.linuxcontainers.org>
> Cc:
> Date: Sun, 14 Dec 2014 14:47:23 +0100
> Subject: Re: [lxc-users] Ubuntu Trusty Tahr 14.04 LTS
>
> Could simply be that you are behind a firewall... That why the ask Ubuntu
> answer includes setting up a proxy environment variable.
>
> The error message means you cannot get the appropriate key from the
> server, a workaround is to download the key using wget or curl and then
> using apt-key add the-downloaded-key
>
> Hope this helps
>
> Regards
> Eric
> On Dec 13, 2014 7:21 PM, "Thouraya TH" <thouraya87 at gmail.com> wrote:
>
>> Hello, Please i have already posted this question but i haven't any
>> answer;
>> i found this solution on the web:
>> http://askubuntu.com/questions/544597/lxc-create-hangs-and-finally-fails
>> but i didn't understand the solution.
>> Can you explain me the solution on the URL ?
>>
>>
>> *Problem*
>> root at localhost:/home# sudo lxc-create -t ubuntu -n u1 -- -r trusty -a
>> amd64
>> Checking cache download in /var/cache/lxc/trusty/rootfs-amd64 ...
>> Installing packages in template: ssh,vim,language-pack-en
>> Downloading ubuntu trusty minimal ...
>> I: Retrieving Release
>>
>> *E: Failed getting release file
>> http://archive.ubuntu.com/ubuntu/dists/trusty/Release
>> <http://archive.ubuntu.com/ubuntu/dists/trusty/Release>*
>> lxc_container: container creation template for u1 failed
>> lxc_container: Error creating container u1
>>
>> root at localhost:~# sudo lxc-create -t download -n ubuntu -- -d ubuntu -r
>> trusty -a amd64
>> lxc-create: Error: ubuntu creation was not completed
>> Setting up the GPG keyring
>> ERROR: Unable to fetch GPG key from keyserver.
>>
>> Thanks a lot.
>> Bests.
>>
>>
>>
>> _______________________________________________
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>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>>
>
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