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lxc-restart

Langue: en

Version: Mon Jul 26 17:09:32 UTC 2010 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

lxc-restart - restart a container from a file (not implemented yet)

SYNOPSIS

lxc-restart [-f config_file][-s KEY=VAL] --statefile=FILE --statefd=FD --name=NAME

DESCRIPTION

lxc-restart is a command to restart an application from the state read in the specified FILE, in a container with the identifier NAME. If the option --pause is specified, the application will be stopped after the restart just before resuming execution. The command lxc-unfreeze will be needed to resume its execution.

RESTART OPTIONS

-S, --statefile=FILE
read the state of the container in this FILE. This option is exclusive with --statefd below.
-d, --statefd=FD
read the state of the container in this FD file descriptor. This option is exclusive with above --statefile.
-p
Pause container processes after restart. The container will be stopped until you resume it with the lxc-unfreeze command.
-f, --rcfile=config_file
Specify the configuration file to configure the virtualization and isolation functionalities for the container. This parameter should be specified if it was specified for the lxc-execute or lxc-start commands or if the container configuration has to be changed at restart. The latter may fail if the needed resources are not available for the restart. If the container was created and configured with lxc-create, this option is not needed, the configuration will be automatically found.
-s KEY=VAL
Assign value VAL to configuration variable KEY. This overrides any assignment done in config_file.

COMMON OPTIONS

These options are common to most of lxc commands.

-?, -h, --help
Print a longer usage message than normal.
--usage
Give the usage message
-q, --quiet
mute on
-o, --logfile=FILE
Output to an alternate log FILE. The default is no log.
-l, --logpriority=LEVEL
Set log priority to LEVEL. The default log priority is ERROR. Possible values are : FATAL, CRIT, WARN, ERROR, NOTICE, INFO, DEBUG.

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.

-n, --name=NAME
Use container identifier NAME. The container identifier format is an alphanumeric string.

EXAMPLES

To start a new container 123 computing decimals of pi

       lxc-execute -n 123 -- pi1 -d 500000
       lxc-execute --name=123 -- pi1 -d 500000
     
 
 

to checkpoint the same container in dump-death mode

       lxc-checkpoint -n 123 -S /share/123/chkpt1 -k
       lxc-checkpoint --name=123 --statefile=/share/123/chkpt1 -k
     
 
 

and to restart the same container with a different id

       lxc-restart -n 200 -S /share/123/chkpt1
       lxc-restart --name=200 --statefile=/share/123/chkpt1
     
 
 

NOTES

Actually, this command does not operate. Its description helps to define a CLI api for future Checkpoint / Restart solution

SEE ALSO

lxc(1), lxc-create(1), lxc-destroy(1), lxc-start(1), lxc-stop(1), lxc-execute(1), lxc-kill(1), lxc-console(1), lxc-monitor(1), lxc-wait(1), lxc-cgroup(1), lxc-ls(1), lxc-ps(1), lxc-info(1), lxc-freeze(1), lxc-unfreeze(1), lxc.conf(5)

AUTHOR

Daniel Lezcano <daniel.lezcano@free.fr>

L'avantage du fromage sur les américains,
c'est qu'il y a une culture dedans.
-+- MZ in: Guide du Cabaliste Usenet - chapitre 9 - le gros 8 -+-