NAME

       vz.conf - global OpenVZ configuration file

SYNOPSIS

       /etc/vz/vz.conf

DESCRIPTION

       This is the global configuration file for OpenVZ.  It consists of lines in the form

       PARAMETER="value"

       All  parameter names and values are case-sensitive.  Quotes surrounding value are required
       if value contains spaces, and are optional otherwise. Extra spaces are  not  allowed.  All
       unrecognized lines will be ignored.

   Global parameters
       VIRTUOZZO=yes|no
              This  parameter can be set to yes or no, and used by the vz init script. In case it
              is not set to yes, nothing will be done to boot up OpenVZ on this node.

       LOCKDIR=directory
              Set the directory to put lock files to.

       VE0CPUUNITS=number
              Value of this parameter sets cpuunits for CT0 (host system).

       LOGGING=yes|no
              Enables or disables logging. This parameter can be set to yes  or  no,  default  is
              yes.

       LOGFILE=file
              Set location of log file.

       LOG_LEVEL=number
              Set  the  logging  level  for  the  log file (does not affect console output).  The
              greater the number is, the more information will be logged to the LOGFILE.  Default
              is 0, which means to log normal messages and errors. If set to -1, only errors will
              be logged.

       VERBOSE=number
              Set the logging level for console/terminal  output  (does  not  affect  log  file).
              Default is 0, which means to log normal messages and errors.  Increasing the number
              makes vzctl(8) more verbose.

       MODULES_DISABLED=yes|no
              If the value of this parameter is set to yes, no attempt to load kernel modules  is
              made  by  the  vz initscript. This is helpful on systems which have OpenVZ-specific
              features compiled into the kernel (i. e. not as modules).

       IPTABLES_MODULES="module module ..."
              List of iptables kernel modules to be loaded by vz initscript before loading OpenVZ
              modules  (which  is  required  for iptables to work inside containers). If not set,
              value of IPTABLES is used.

       VZFASTBOOT=yes|no
              If the value of this parameter is set to  yes,  vz  initscript  called  with  start
              argument  will  start  the  containers  with uncleanly shutdown quota state without
              performing quota reinitialization (which  is  usually  a  time-consuming  process).
              After all the containers are started, the initscript when restarts those containers
              with unclean quota in a normal way (to recalculate/fix quotas).

       VE_STOP_MODE=suspend|stop
              If the value of this parameter is set to suspend or not set at all,  vz  initscript
              called  with  stop  argument will try to suspend the running containers, instead of
              stopping them. Suspended containers when will be restored on vz start. This feature
              usually helps to decrease the reboot time. If a container fails to suspend, it will
              be stopped anyway.

       TEMPLATE=directory
              Value of this parameter is a directory in which all  container  template  data  are
              stored.

       SKIP_SYSCTL_SETUP=yes
              If  this  parameter  is  not  present,  init.d/vz  start   sets some sysctl.conf(5)
              parameters required or recommended by  OpenVZ  (with  the  help  of  vz-postinstall
              sysctl script), and then adds this parameter to vz.conf.

   Network interface parameters
       VE_ROUTE_SRC_DEV="device"
              This  parameter  specifies the network device name which IP address will be used as
              the source IP. This  is  helpful  in  case  more  than  one  network  interface  is
              configured  on  HN and there is a need to specify the source IP address. Default is
              the first device in the network device list.

       NEIGHBOUR_DEVS="detect"
              Controls on which interfaces to add/remove ARP records for  a  container  IP,  also
              which  interfaces to use to query/announce ARP. If this is set to detect, the right
              network interface (the one which is in the same subnet as a CT IP) will  be  chosen
              automatically. Any other value restores old (as of vzctl 3.0.19 or older) behavior,
              when all the possible interfaces were used.

       ERROR_ON_ARPFAIL=yes|no
              In case the value of this parameter is set to yes,  vzctl  will  fail  to  start  a
              container if there is another host with the same IP in the subnet.  The value of no
              makes vzctl to only print the warning.

   Defaults for vzctl create
       These parameters are defaults for vzctl create and can be overwritten by  its  appropriate
       command line options.

       DEF_OSTEMPLATE=name
              Default  OS template to create a container from. Corresponds to --ostemplate option
              of vzctl create.

       CONFIGFILE=name
              Default configuration file (/etc/vz/conf/ve-name.conf-sample) used to create a  new
              container. Corresponds to --config option of vzctl create.

       VE_LAYOUT=simfs|ploop[:{plain|expanded|raw}]
              Default  CT filesystem layout for a new container, can either be ploop or simfs. In
              case ploop is used, one can additionally specify ploop disk image  format  after  a
              colon.   Possible  ploop formats are expanded, plain and raw.  Default is expanded.
              Using raw is not recommended and is not supported.

              Corresponds to --layout option of vzctl create.

   Defaults for containers
       Below parameters are defaults for containers, and can  be  overwritten  by  parameters  in
       ctid.conf(5) per-container configuration file.

       DISK_QUOTA=yes|no
              In  case  the  value  of this parameter is set to no, all disk quota operations are
              disabled.

       VE_ROOT=directory
              Value of this parameter is the directory  which  serves  as  container  root  mount
              point.  Value must contain literal string $VEID, which will be substituted with the
              actual numeric CT ID.

       VE_PRIVATE=directory
              Value of this parameter is the directory in which all  the  files  and  directories
              specific  to  that  container  are stored. Value must contain literal string $VEID,
              which will be substituted with the actual numeric CT ID.

       IPTABLES="module module ..."
              List of iptables modules to be enabled for containers,  corresponds  to  --iptables
              option.

       STOP_TIMEOUT="number"
              Time  to  wait  for a container to shut down on vzctl stop, before forcibly killing
              it, in seconds. Hardcoded to 120 if not set.

       NAMESERVER="ip [ip ...]"
              Default value for containers  nameserver(s).  Several  name  server  addresses  are
              divided  by  spaces.  If set to inherit, values from host system's /etc/resolv.conf
              are used.

       SEARCHDOMAIN="domain [domain ...]"
              Default value for containers search domains. Several search domains are divided  by
              spaces. If set to inherit, values from host system's /etc/resolv.conf are used.

       Most of the other parameters that appear in per-container configuration files ctid.conf(5)
       can be also set here. Still, it is recommended to keep TEMPLATE, VE_PRIVATE and VE_ROOT in
       this  configuration  file, and all the other container related parameters in per-container
       configuration files.

SEE ALSO

       vzctl(8), ctid.conf(5).

LICENSE

       Copyright (C) 2000-2011, Parallels, Inc. Licensed under GNU GPL.