lxc_map_ids: 3668 newuidmap failed to write mapping "newuidmap: uid range [0-1) -> [231072-231073) n
Here is my defualt.conf: cat ~/.config/lxc/default.conf
lxc.net.0.type = veth lxc.net.0.link = lxcbr0 lxc.net.0.flags = up lxc.net.0.hwaddr = 00:16:3e:xx:xx:xx lxc.idmap = u 0 231072 65536 lxc.idmap = g 0 231072 65536
getting the following error after running: lxc-create --template download --name unpriv-cont-user
lxc-create: unpriv-cont-user: conf.c: lxc_map_ids: 3668 newuidmap failed to write mapping "newuidmap: uid range [0-1) -> [231072-231073) not allowed": newuidmap 47807 0 231072 1 1001 1001 1 lxc-create: unpriv-cont-user: conf.c: userns_exec_mapped_root: 5552 Error setting up {g,u}id mappings for child process "47807" lxc-create: unpriv-cont-user: utils.c: wait_exited: 344 Child terminated with error 1 lxc-create: unpriv-cont-user: lxccontainer.c: do_create_container_dir: 1234 No such file or directory - Failed to chown rootfs "/home/student/.local/share/lxc/unpriv-cont-user" lxc-create: unpriv-cont-user: lxccontainer.c: __lxcapi_create: 1817 Failed to create container unpriv-cont-user lxc-create: unpriv-cont-user: tools/lxc_create.c: main: 317 Failed to create container unpriv-cont-user
Comments
-
Hi @alireza1222,
To help better understand your environment please provide the cloud provider or hypervisor used to provision the VM, and the outputs of the following commands:
whoami
cat /etc/lxc/lxc-usernet
cat /etc/subuid
cat /etc/subgid
getfacl -n ~/.local
Regards,
-Chris0 -
@chrispokorni - I am running into this issue as well and happy to provide the details to carry it to completion for others.
student@lfs253:~$ lxc-create --template download --name unpriv-cont-user lxc-create: unpriv-cont-user: conf.c: lxc_map_ids: 3672 newuidmap failed to write mapping "newuidmap: uid range [0-1) -> [231072-231073) not allowed": newuidmap 832 0 231072 1 1001 1001 1 lxc-create: unpriv-cont-user: conf.c: userns_exec_mapped_root: 5557 Error setting up {g,u}id mappings for child process "832" lxc-create: unpriv-cont-user: utils.c: wait_exited: 347 Child terminated with error 1 lxc-create: unpriv-cont-user: lxccontainer.c: do_create_container_dir: 1234 No such file or directory - Failed to chown rootfs "/home/student/.local/share/lxc/unpriv-cont-user" lxc-create: unpriv-cont-user: lxccontainer.c: __lxcapi_create: 1817 Failed to create container unpriv-cont-user lxc-create: unpriv-cont-user: tools/lxc_create.c: main: 317 Failed to create container unpriv-cont-user student@lfs253:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.3 LTS Release: 22.04 Codename: jammy student@lfs253:~$ whoami student student@lfs253:~$ cat /etc/lxc/lxc-usernet # USERNAME TYPE BRIDGE COUNT student veth lxcbr0 10 student@lfs253:~$ cat /etc/subuid ubuntu:100000:65536 student:165536:65536 student@lfs253:~$ cat /etc/subgid ubuntu:100000:65536 student:165536:65536 student@lfs253:~$ getfacl -n ~/.local getfacl: Removing leading '/' from absolute path names # file: home/student/.local # owner: 1001 # group: 1001 user::rwx user:231072:--x group::rwx mask::rwx other::r-x student@lfs253:~$ uname -a Linux lfs253 5.15.0-1039-kvm #44-Ubuntu SMP Tue Jul 25 10:12:11 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
0 -
I will also add that I am getting it on 20.04. I just created a fresh VM and it is the same issue.
0 -
0
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Certainly!
student@lfs253-2004:~$ cat ~/.config/lxc/default.conf lxc.net.0.type = veth lxc.net.0.link = lxcbr0 lxc.net.0.flags = up lxc.net.0.hwaddr = 00:16:3e:xx:xx:xx lxc.idmap = u 0 231072 65536 lxc.idmap = g 0 231072 65536
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@chrispokorni , another thing I noticed. In browsing the lab, I just decided to do a simple
lxc ls
and got the following:student@lfs253-2004:~$ lxc ls If this is your first time running LXD on this machine, you should also run: lxd init To start your first container, try: lxc launch ubuntu:20.04 Or for a virtual machine: lxc launch ubuntu:20.04 --vm Error: Get "http://unix.socket/1.0": dial unix /var/snap/lxd/common/lxd/unix.socket: connect: permission denied
I am going to run the
lxd init
since it wasn't suggested in the lab and see if that fixes things. Will report back here. If it does work, maybe an edit is in order?Thanks and talk soon!
RobertEDIT: Nope, that didn't work...
student@lfs253-2004:~$ lxd init Error: Failed to connect to local LXD: Get "http://unix.socket/1.0": dial unix /var/snap/lxd/common/lxd/unix.socket: connect: permission denied
I note it is wanting a snap directory and didn't think we were using snaps for this lab.
0 -
I would recommend correcting
~/.config/lxc/default.conf
with yourstudent
user subuid and subgid, extracted from your/etc/subuid
and/etc/subgid
.Regards,
-Chris0 -
@chrispokorni Ah HA! Classic blindly copypasta error on my part. I would suspect the OP may have also done the same thing. I would suggest a slight update in the labs to note that a subuid/subgid may be different. Otherwise, I will definitely read closer and this can be marked solved for future people!
0
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