On Mon, May 27, 2019 at 8:11 PM Saint Michael <vene...@gmail.com> wrote:
> I thought I did start the containers as privileged:
>
> lxc.include = /usr/share/lxc/config/ubuntu.common.conf
> lxc.mount.auto=
> lxc.mount.auto=proc:rw sys:rw cgroup:rw
> lxc.apparmor.profile=unconfined
> lxc.tty.max = 10
> lxc.pty.max = 1024
> lxc.cgroup.devices.allow = c 1:3 rwm
> lxc.cgroup.devices.allow = c 1:5 rwm
> lxc.cgroup.devices.allow = c 5:1 rwm
> lxc.cgroup.devices.allow = c 5:0 rwm
> lxc.cgroup.devices.allow = c 4:0 rwm
> lxc.cgroup.devices.allow = c 4:1 rwm
> lxc.cgroup.devices.allow = c 1:9 rwm
> lxc.cgroup.devices.allow = c 1:8 rwm
> lxc.cgroup.devices.allow = c 136:* rwm
> lxc.cgroup.devices.allow = c 5:2 rwm
> lxc.cgroup.devices.allow = c 254:0 rwm
> lxc.cgroup.devices.allow = c 10:137 rwm # loop-control
> lxc.cgroup.devices.allow = b 7:* rwm # loop*
> lxc.cgroup.devices.allow = c 10:229 rwm #fuse
> lxc.cgroup.devices.allow = c 10:200 rwm #docker
> lxc.cgroup.devices.allow= a
> lxc.cap.drop=
> lxc.cgroup.devices.deny=
> lxc.autodev= 1
> lxc.hook.autodev = sh -c 'mknod ${LXC_ROOTFS_MOUNT}/dev/fuse c 10 229'
>
Following Stephane's suggestion works on my test vm. You didn't do so, thus
it didn't work.
###
# Distribution configuration
lxc.include = /usr/share/lxc/config/common.conf
lxc.arch = x86_64
# Container specific configuration
lxc.rootfs.path = dir:/var/lib/lxc/c7-ul/rootfs
lxc.uts.name = c7-ul
lxc.net.0.type = none
lxc.mount.auto=
lxc.mount.auto=proc:rw sys:rw cgroup:rw
lxc.apparmor.profile=unconfined
###
###
c7-ul / # sysctl --system
* Applying /usr/lib/sysctl.d/00-system.conf ...
* Applying /usr/lib/sysctl.d/10-default-yama-scope.conf ...
kernel.yama.ptrace_scope = 0
* Applying /usr/lib/sysctl.d/50-default.conf ...
kernel.sysrq = 16
kernel.core_uses_pid = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.promote_secondaries = 1
net.ipv4.conf.all.promote_secondaries = 1
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
* Applying /etc/sysctl.d/99-sysctl.conf ...
* Applying /etc/sysctl.d/net.conf ...
net.core.rmem_max = 67108864
net.core.wmem_max = 33554432
net.core.rmem_default = 31457280
net.core.wmem_default = 31457280
* Applying /etc/sysctl.conf ...
c7-ul / # cat /proc/sys/net/core/rmem_max
67108864
###
Of course as warned earlier, host networking brings along some quirks. For
instance:
- host and container can't have services run on the same port (e.g. if you
want sshd on both host and container, you need to change the listening port
for one of them)
- do not configure networking on the container (ONBOOT=no should be enough
on your container's eth confi)
- absolutely do not run "reboot", "init 6", or "poweroff" on the container.
At the very least, it will cause hosts's eth0 to go down. "reboot -f" on
the container should work nicely though.
--
Fajar
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