mirror of
https://github.com/hsoft/vagrant-lxc-base-boxes
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58367598e6
Caveat: I needed add an ifup call to the install-extras script, because without it, the container wouldn't start the dhcp client on the network. This fix feels wrong but seems to give at least some improvement. special config for centos 7 - for systemd...
56 lines
2 KiB
Plaintext
56 lines
2 KiB
Plaintext
# support systemd as PID 1:
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lxc.autodev = 1
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lxc.kmsg = 0
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# Taken from the oracle.common.conf.in
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# Console settings
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lxc.devttydir = lxc
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lxc.tty = 4
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lxc.pts = 1024
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# Mount entries
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lxc.mount.auto = proc:mixed sys:ro
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# Ensure hostname is changed on clone
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lxc.hook.clone = /usr/share/lxc/hooks/clonehostname
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# Capabilities
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# Uncomment these if you don't run anything that needs the capability, and
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# would like the container to run with less privilege.
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#
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# Dropping sys_admin disables container root from doing a lot of things
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# that could be bad like re-mounting lxc fstab entries rw for example,
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# but also disables some useful things like being able to nfs mount, and
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# things that are already namespaced with ns_capable() kernel checks, like
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# hostname(1).
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# lxc.cap.drop = sys_admin
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# lxc.cap.drop = net_raw # breaks dhcp/ping
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# lxc.cap.drop = setgid # breaks login (initgroups/setgroups)
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# lxc.cap.drop = dac_read_search # breaks login (pam unix_chkpwd)
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# lxc.cap.drop = setuid # breaks sshd,nfs statd
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# lxc.cap.drop = audit_control # breaks sshd (set_loginuid failed)
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# lxc.cap.drop = audit_write
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#
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lxc.cap.drop = mac_admin mac_override setfcap setpcap
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lxc.cap.drop = sys_module sys_nice sys_pacct
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lxc.cap.drop = sys_rawio sys_time
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# Control Group devices: all denied except those whitelisted
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lxc.cgroup.devices.deny = a
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# Allow any mknod (but not reading/writing the node)
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lxc.cgroup.devices.allow = c *:* m
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lxc.cgroup.devices.allow = b *:* m
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lxc.cgroup.devices.allow = c 1:3 rwm # /dev/null
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lxc.cgroup.devices.allow = c 1:5 rwm # /dev/zero
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lxc.cgroup.devices.allow = c 1:7 rwm # /dev/full
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lxc.cgroup.devices.allow = c 5:0 rwm # /dev/tty
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lxc.cgroup.devices.allow = c 1:8 rwm # /dev/random
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lxc.cgroup.devices.allow = c 1:9 rwm # /dev/urandom
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lxc.cgroup.devices.allow = c 136:* rwm # /dev/tty[1-4] ptys and lxc console
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lxc.cgroup.devices.allow = c 5:2 rwm # /dev/ptmx pty master
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# Blacklist some syscalls which are not safe in privileged
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# containers
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lxc.seccomp = /usr/share/lxc/config/common.seccomp
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