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.TH lxc-start 1 2024-03-30 "" ""
.SH NAME
lxc-start \- run an application inside a container. 
.SH SYNOPSIS
'nh
.fi
.ad l
\*(T<\fBlxc\-start\fR\*(T> \kx
.if (\nx>(\n(.l/2)) .nr x (\n(.l/5)
'in \n(.iu+\nxu
{-n \fIname\fR} [-f \fIconfig_file\fR] [-c \fIconsole_device\fR] [-L \fIconsole_logfile\fR] [-d] [-F] [-p \fIpid_file\fR] [-s KEY=VAL] [-C] [--share-[net|ipc|uts] \fIname|pid\fR] [command]
'in \n(.iu-\nxu
.ad b
'hy
.SH DESCRIPTION
\fBlxc-start\fR runs the specified
\fIcommand\fR inside the container
specified by \fIname\fR.
.PP
It will setup the container
according to the configuration previously defined with the
lxc-create command or with the configuration file parameter.
If no configuration is
defined, the default isolation is used.
.PP
If no command is specified, \fBlxc-start\fR will
use the command defined in lxc.init.cmd or if not set, the default
\fB"/sbin/init"\fR command to run a system
container.
.SH OPTIONS
.TP 
\*(T<\fB\-d, \-\-daemon\fR\*(T> 
Run the container as a daemon. As the container has no
more tty, if an error occurs nothing will be displayed,
the log file can be used to check the error. (This is the default mode)
.TP 
\*(T<\fB\-F, \-\-foreground\fR\*(T> 
Run the container in the foreground. In this mode, the container
console will be attached to the current tty and signals will be routed
directly to the container.
.TP 
\*(T<\fB\-p, \-\-pidfile \fR\*(T>\fIpid_file\fR 
Create a file with the process id.
.TP 
\*(T<\fB\-f, \-\-rcfile \fR\*(T>\fIconfig_file\fR 
Specify the configuration file to configure the virtualization
and isolation functionalities for the container.

This configuration file if present will be used even if there is
already a configuration file present in the previously created
container (via lxc-create).
.TP 
\*(T<\fB\-c, \-\-console \fR\*(T>\fIconsole_device\fR 
Specify a device to use for the container's console, for example
/dev/tty8. If this option is not specified the current terminal
will be used unless \*(T<\fB\-d\fR\*(T> is specified.
.TP 
\*(T<\fB\-L, \-\-console\-log \fR\*(T>\fIconsole_logfile\fR 
Specify a file to log the container's console output to.
.TP 
\*(T<\fB\-s, \-\-define \fR\*(T>\fIKEY=VAL\fR 
Assign value \fIVAL\fR to configuration
variable \fIKEY\fR. This overrides any
assignment done in \fIconfig_file\fR.
.TP 
\*(T<\fB\-C, \-\-close\-all\-fds\fR\*(T> 
If any file descriptors are inherited, close them. If this option
is not specified, then \fBlxc-start\fR will exit with
failure instead. Note: \fI--daemon\fR implies
\fI--close-all-fds\fR.
.TP 
\*(T<\fB\-\-share\-net \fR\*(T>\fIname|pid\fR 
Inherit a network namespace from
a \fIname\fR container or
a \fIpid\fR. The network namespace
will continue to be managed by the original owner. The
network configuration of the starting container is ignored
and the up/down scripts won't be executed.
.TP 
\*(T<\fB\-\-share\-ipc \fR\*(T>\fIname|pid\fR 
Inherit an IPC namespace from
a \fIname\fR container or
a \fIpid\fR.
.TP 
\*(T<\fB\-\-share\-uts \fR\*(T>\fIname|pid\fR 
Inherit a UTS namespace from
a \fIname\fR container or
a \fIpid\fR. The starting LXC will
not set the hostname, but the container OS may do it
anyway.
.SH "COMMON OPTIONS"
These options are common to most of lxc commands.
.TP 
\*(T<\fB\-?, \-h, \-\-help\fR\*(T>
Print a longer usage message than normal.
.TP 
\*(T<\fB\-\-usage\fR\*(T>
Give the usage message
.TP 
\*(T<\fB\-q, \-\-quiet\fR\*(T>
mute on
.TP 
\*(T<\fB\-P, \-\-lxcpath=\fR\*(T>\fIPATH\fR
Use an alternate container path. The default is /var/lib/lxc.
.TP 
\*(T<\fB\-o, \-\-logfile=\fR\*(T>\fIFILE\fR
Output to an alternate log
\fIFILE\fR. The default is no log.
.TP 
\*(T<\fB\-l, \-\-logpriority=\fR\*(T>\fILEVEL\fR
Set log priority to
\fILEVEL\fR. The default log
priority is \*(T<ERROR\*(T>. Possible values are :
\*(T<FATAL\*(T>, \*(T<ALERT\*(T>,
\*(T<CRIT\*(T>,
\*(T<WARN\*(T>, \*(T<ERROR\*(T>,
\*(T<NOTICE\*(T>, \*(T<INFO\*(T>,
\*(T<DEBUG\*(T>, \*(T<TRACE\*(T>.

Note that this option is setting the priority of the events
log in the alternate log file. It do not have effect on the
ERROR events log on stderr.
.TP 
\*(T<\fB\-n, \-\-name=\fR\*(T>\fINAME\fR
Use container identifier \fINAME\fR.
The container identifier format is an alphanumeric string.
.TP 
\*(T<\fB\-\-rcfile=\fR\*(T>\fIFILE\fR
Specify the configuration file to configure the virtualization
and isolation functionalities for the container.

This configuration file if present will be used even if there is
already a configuration file present in the previously created
container (via lxc-create).
.TP 
\*(T<\fB\-\-version\fR\*(T>
Show the version number.
.SH DIAGNOSTIC
.TP 
The container is busy
The specified container is already running an
application. You should stop it before reuse this
container or create a new one.
.SH "SEE ALSO"
\fBlxc\fR(7),
\fBlxc-create\fR(1),
\fBlxc-copy\fR(1),
\fBlxc-destroy\fR(1),
\fBlxc-start\fR(1),
\fBlxc-stop\fR(1),
\fBlxc-execute\fR(1),
\fBlxc-console\fR(1),
\fBlxc-monitor\fR(1),
\fBlxc-wait\fR(1),
\fBlxc-cgroup\fR(1),
\fBlxc-ls\fR(1),
\fBlxc-info\fR(1),
\fBlxc-freeze\fR(1),
\fBlxc-unfreeze\fR(1),
\fBlxc-attach\fR(1),
\fBlxc.conf\fR(5)
.SH AUTHOR
Daniel Lezcano <\*(T<daniel.lezcano@free.fr\*(T>>