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https://git.proxmox.com/git/mirror_lxc
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f24a52d5f5
- Implements mixed mode for /sys where it's mounted read-only but with /sys/devices/virtual/net/ writable. - Sets lxc.mount.auto to "cgroup:mixed proc:mixed sys:mixed" for all templates. - Drop any template-specific mount for /proc, /sys or /sys/fs/cgroup. - Get rid of the fstab file by default, using lxc.mount.entry instead. - Set sys:mixed as the default for "sys". sys:mixed is slightly more permissive than sys:ro so this shouldn't be a problem. The read-only bind mount of /sys on top of itself is there so that mountall and other init systems don't attempt to remount /sys read-write. v2 changes: - Fix the mount list, don't specify a source for the remount. - Update the documentation. Signed-off-by: Stéphane Graber <stgraber@ubuntu.com> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
# This derives from the global common config
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lxc.include = @LXCTEMPLATECONFIG@/common.conf
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# Allow for 6 tty devices by default
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lxc.tty = 6
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# Set the halt/stop signals
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lxc.haltsignal=SIGRTMIN+4
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lxc.stopsignal=SIGRTMIN+14
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# Uncomment to disable creating tty devices subdirectory in /dev
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# lxc.devttydir =
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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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# lxc.cap.drop = setpcap # big big login delays in Fedora 20 systemd
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#
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lxc.cap.drop = setfcap sys_nice sys_pacct sys_rawio
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