/usr/share/lxc/config/sabayon.common.conf is in lxc-templates 3.0.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # Default configuration for Sabayon containers
# Setup the default mounts
lxc.mount.auto = cgroup:mixed proc:mixed sys:mixed
# Allow for 1024 pseudo terminals
lxc.pty.max = 1024
# Setup 1 tty devices for lxc-console command
lxc.tty.max = 1
# Needed for systemd distro
lxc.autodev = 1
# Doesn't support consoles in /dev/lxc/
lxc.tty.dir =
# CGroup whitelist
lxc.cgroup.devices.deny = a
## Allow any mknod (but not reading/writing the node)
#lxc.cgroup.devices.allow = c *:* m
#lxc.cgroup.devices.allow = b *:* m
## Allow specific devices
### /dev/null
lxc.cgroup.devices.allow = c 1:3 rwm
### /dev/zero
lxc.cgroup.devices.allow = c 1:5 rwm
### /dev/full
lxc.cgroup.devices.allow = c 1:7 rwm
### /dev/random
lxc.cgroup.devices.allow = c 1:8 rwm
### /dev/urandom
lxc.cgroup.devices.allow = c 1:9 rwm
### /dev/pts/*
#lxc.cgroup.devices.allow = c 136:* rwm
### /dev/tty
#lxc.cgroup.devices.allow = c 5:0 rwm
### /dev/console
#lxc.cgroup.devices.allow = c 5:1 rwm
### /dev/ptmx
#lxc.cgroup.devices.allow = c 5:2 rwm
### fuse
#lxc.cgroup.devices.allow = c 10:229 rwm
## To use loop devices, copy the following line to the container's
## configuration file (uncommented).
#lxc.cgroup.devices.allow = b 7:* rwm
## rtc
#lxc.cgroup.devices.allow = c 254:0 rm
## tun
#lxc.cgroup.devices.allow = c 10:200 rwm
## hpet
#lxc.cgroup.devices.allow = c 10:228 rwm
## kvm
#lxc.cgroup.devices.allow = c 10:232 rwm
## /dev/mem
#lxc.cgroup.devices.allow = c 1:1 rwm
# If something doesn't work, try to comment this out.
# Dropping sys_admin disables container root from doing a lot of things
# that could be bad like re-mounting lxc fstab entries rw for example,
# but also disables some useful things like being able to nfs mount, and
# things that are already namespaced with ns_capable() kernel checks, like
# hostname(1).
lxc.cap.drop = sys_time sys_module sys_rawio mac_admin mac_override
#lxc.cap.drop = sys_admin
# /dev/shm needs to be mounted as tmpfs. It's needed by python (bug #496328)
# and possibly other packages.
lxc.mount.entry = none dev/shm tmpfs rw,nosuid,nodev,create=dir
# Blacklist some syscalls which are not safe in privileged
# containers
lxc.seccomp.profile = /usr/share/lxc/config/common.seccomp
# Customize lxc options through common directory
lxc.include = /usr/share/lxc/config/common.conf.d/
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