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iocage.8
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.Dd May 10, 2018
.Dt IOCAGE 8
.Os
.Sh NAME
.Nm iocage
.Nd jail manager using ZFS and VNET
.Sh SYNOPSIS
.\" == HELP ==
.Nm
.Op Fl -help | Ar SUBCOMMAND Fl -help
.\" == VERSION ==
.Nm
.Op Fl v | -version
.Pp
.\" == ACTIVATE ==
.Nm
.Cm activate
.Ar ZPOOL
.\" == CHROOT ==
.Nm
.Cm chroot
.Ar UUID | NAME
.Op Ar COMMAND
.\" == CLEAN ==
.Nm
.Cm clean
.Op Fl a | -all | Cm dataset_type
.Op Fl b | r | -base | Cm dataset_type
.Op Fl f | -force
.Op Fl j | -jails | Cm dataset_type
.Op Fl t | -template | Cm dataset_type
.\"== CLONE ==
.Nm
.Cm clone
.Ar UUID | NAME Op Ar PROPERTIES
.Op Fl c | -count Ar TEXT
.\" == CONSOLE ==
.Nm
.Cm console
.Ar UUID | NAME
.\" == CREATE ==
.Nm
.Cm create
.Op Fl b | -basejail
.Op Fl c | -count Ar TEXT
.Op Fl e | -empty
.Op Fl f | -force
.Op Fl n | -name Ar TEXT
.Op Fl p | -pkglist Ar TEXT
.Op Fl r | -release Ar TEXT
.Op Fl r | -release Cm latest | Cm LATEST
.Op Fl s | -short
.Op Fl t | -template Ar TEXT
.Op Fl T | -thickjail
.Op Fl u | -uuid | Ar TEXT
.Op Ar PROPERTIES
.\" == DESTROY ==
.Nm
.Cm destroy
.Op Fl R | -recursive
.Op Fl d | -download
.Op Fl f | -force
.Op Fl r | -release
.Ar UUID | NAME
.\" == DF ==
.Nm
.Cm df
.Op Fl H | h | -header
.Op Fl l | -long
.Op Fl s | -sort Ar TEXT
.\" == EXEC ==
.Nm
.Cm exec
.Op Fl U | -jail_user Ar NAME
.Op Fl u | -host_user Ar NAME
.Ar UUID | NAME
.Cm -- COMMAND Op Ar ARGS
.\" == EXPORT ==
.Nm
.Cm export
.Ar UUID | NAME
.\" == FETCH ==
.Nm
.Cm fetch
.Op Fl -accept
.Op Fl -noaccept
.Op Fl -plugins Ar OPTIONS
.Op Fl -plugins Fl -official Ar OPTIONS
.Op Fl E | -eol
.Op Fl F | -files
.Op Fl NE | -noeol
.Op Fl NU | -noupdate
.Op Fl NV | -noverify
.Op Fl P | -plugin-file
.Op Fl U | -update
.Op Fl V | -verify
.Op Fl a | -auth
.Op Fl c | -count
.Op Fl d | -root-dir
.Op Fl f | -file
.Op Fl h | -http
.Op Fl n | -name TEXT
.Op Fl p | -password
.Op Fl r | -release | Cm latest | Cm LATEST
.Op Fl s | -server
.Op Fl u | -user
.\" == FSTAB ==
.Nm
.Cm fstab
.Ar JAIL
.Ar FSTAB_STRING
.Op Fl H | h | -header
.Op Fl R | -replace
.Op Fl a | -add | Cm action
.Op Fl e | -edit | Cm action
.Op Fl l | -list
.Op Fl r | -remove | Cm action
.\" == GET ==
.Nm
.Cm get
.Ar PROPERTY
.Ar UUID | NAME
.Op Fl H | h | -header
.Op Fl P | -plugin
.Op Fl a | -all
.Op Fl p | -pool
.Op Fl r | -recursive
.Op Fl s | Cm state
.Op Fl j | Cm JID
.\" == IMPORT ==
.Nm
.Cm import
.Ar UUID | NAME
.\" == LIST ==
.Nm
.Cm list
.Op Fl -http
.Op Fl H | h | -header
.Op Fl P | -plugins
.Op Fl R | -remote
.Op Fl b | r | -base | -release | Cm dataset_type
.Op Fl l | -long
.Op Fl q | -quick
.Op Fl s | -sort
.Op Fl t | -template | Cm dataset_type
.Op Fl PRO
.\" == MIGRATE ==
.Nm
.Cm migrate
.Op Fl d | -delete
.Op Fl f | -force
.\" == PKG ==
.Nm
.Cm pkg
.Ar UUID | NAME
.Ar COMMAND
.\"== RENAME ==
.Nm
.Cm rename
.Ar UUID | NAME
.Ar NEW_NAME
.\" == RESTART ==
.Nm
.Cm restart
.Op Fl s | -soft
.Ar UUID | NAME
.\" == ROLLBACK ==
.Nm
.Cm rollback
.Op Fl f | -force
.Fl n | -name Ar TEXT
.Ar UUID | NAME
.\" == SET ==
.Nm
.Cm set
.Ar PROPERTY Op ...
.Ar UUID | NAME
.Op Fl P | -plugin Ar KEY
.\" == SNAPLIST ==
.Nm
.Cm snaplist
.Ar UUID | NAME
.Op Fl H | h | -header
.Op Fl l | -long
.Op Fl s | -sort Cm TYPE
.\" == SNAPREMOVE ==
.Nm
.Cm snapremove
.Op Fl n | -name Ar TEXT
.Ar UUID | NAME | ALL
.\" == SNAPSHOT ==
.Nm
.Cm snapshot
.Op Fl n | -name Ar TEXT
.Ar UUID | NAME
.\" == START ==
.Nm
.Cm start
.Op Fl -rc
.Op Ar UUID | NAME | ALL
.\" == STOP ==
.Nm
.Cm stop
.Op Fl -rc
.Op Ar UUID | NAME | ALL
.\" == UPDATE ==
.Nm
.Cm update
.Ar UUID | NAME
.\" == UPGRADE ==
.Nm
.Cm upgrade
.Ar UUID | NAME
.Fl r | -release Ar RELEASE
.Sh DESCRIPTION
.Nm
is a system administration tool designed to simplify jail management
tasks.
It abstracts out the management of ZFS-backed jails running VNET or
shared IP networking.
.Pp
Both shared IP jails and VNET jails are supported.
.Pp
Each jail has a unique ID (UUID) which is automatically generated at
creation time.
Using the UUID as a jail identifier is more flexible when replicating
a jail in a distributed environment.
This also eliminates potential naming clashes on large scale
deployments and helps reduce operator error.
.Pp
Partial UUID calling is supported with every operation.
For example,
.Ar adae47cb-01a8-11e4-aa78-3c970ea3222f
can be used in the form of
.Ar adae47cb
or just
.Ar adae .
In addition to partial UUID calling, jail NAMEs can also be used.
.Pp
Jails can be easily moved with ZFS
.Cm send
and
.Cm receive ,
preserving all of their properties automatically.
.Pp
.Nm
relies on ZFS and at least one ZFS pool must be present on the host
system.
Bridge interfaces like
.Pa bridge0
or
.Pa bridge1
are required for VNET and can be enabled by adding this line to
.Pa /etc/rc.conf :
.Bd -literal -offset indent
cloned_interfaces="bridge0 bridge1"
.Ed
.Pp
To enable all the features
.Nm
supports, consider building a kernel with these options:
.Bd -literal -offset indent
options VIMAGE
options RACCT
options RCTL
.Ed
.Sh SUBCOMMANDS
.Bl -tag -width ".Cm activate"
.\" == Help ==
.It Fl -help
Display
.Nm
help text.
Including
.Fl -help
after a specific subcommand displays help text for that command.
.\" == VERSION ==
.It Fl -version
Display the
.Nm
version number.
.\" == ACTIVATE ==
.It Cm activate
Intended for use by automation tools.
The pool can be activated for
.Nm
jails without requiring user input.
By default, all other pools are deactivated.
.Pp
Example:
.Pp
.Dl # iocage activate examplezpool
.Pp
.\" == CHROOT ==
.It Cm chroot
Chroot into a jail without actually starting the jail itself.
Useful for initial setup like setting a root password or configuring
networking.
A command can be specified as with the normal system, see
.Xr chroot 8 .
.Pp
Example:
.Pp
.Dl # iocage chroot 6ffe99a9 ls
.Pp
Run
.Cm ls
in the jail identified by the shortened UUID.
.\" == CLEAN ==
.It Cm clean
Destroy ZFS datasets.
.Pp
Options:
.Bl -tag -width "[-b | --base | -r | dataset_type]"
.It Op Fl a | -all | Cm dataset_type
Destroys all created iocage data.
.It Op Fl b | r | -base | Cm dataset_type
Destroys all fetched RELEASE jails.
.It Op Fl f | -force
Runs the command without any further user interaction.
.It Op Fl j | -jails | Cm dataset_type
Destroys all created jails.
.It Op Fl t | -template | Cm dataset_type
Destroys all templates.
.El
.Pp
Example:
.Pp
.Dl # iocage clean -j
.Pp
Destroys all created jails on the system, after a prompt ensures this
is the desired action.
.Pp
.\"== CLONE ==
.It Cm clone
Clone a jail.
Properties can be configured for the clone by listing them after the
.Ar UUID | NAME .
.Pp
Options:
.Bl -tag -width "[-c | --count TEXT]"
.It Op Fl c | -count Ar TEXT
Designate the number of jails to create, all cloned from
the desired jail.
.El
.Pp
Examples:
.Pp
.Dl # iocage clone 38114a58 --name cloneexample1
.Pp
Clone jail 38114a58 and add the name cloneexample1 to the new jail.
.Pp
.Dl # iocage clone exampjail -c 3
Creates three jail clones of exampjail.
.Pp
.\" == CONSOLE ==
.It Cm console
Execute login to open a shell inside the jail.
.Pp
Example:
.Pp
.Dl # iocage console cloneexample1
.Pp
.\" == CREATE ==
.It Cm create
Deploy a new jail based on the host operating system's RELEASE.
The default can be overridden by specifying the RELEASE option.
A fully independent jail set is created by default.
.Pp
Options:
.Bl -tag -width "[-b | --basejail]"
.It Op Fl b | -basejail
Create a new "basejail".
This basejail mounts the designated RELEASE directory as a
nullfs mount over the jail's directories.
.It Op Fl c | -count Ar TEXT
Designate the number of jails to create, all cloned from
the desired
.Op Fl r Ar RELEASE .
.It Op Fl e | -empty
Create an empty jail for unsupported or custom jails.
.It Op Fl f | -force
Skip prompts, auto-confirming them with yes.
.It Op Fl n | -name Ar TEXT
Provide a NAME instead of a UUID for the new jail.
.It Op Fl p | -pkglist Ar TEXT
Specify a JSON file which manages the installation of each
package in the newly created jail.
.It Op Fl r | -release Ar TEXT
Specify which RELEASE to use for the new jail.
.It Op Fl r | -release Cm latest | Cm LATEST
Creat a new jail with the latest release available.
.It Op Fl s | -short
Use a short UUID of 8 characters instead of the default 36.
.It Op Fl t | -template Ar TEXT
Create a jail from the specified template.
.It Op Fl T | -thickjail
Thick jails are copies of the release, not clones.
.It Op Fl u | -uuid Ar TEXT
Specify a desired UUID for the new jail.
.El
.Pp
Examples:
.Pp
.Dl # iocage create -s -r 11.0-RELEASE
.Pp
Create a FreeBSD 11.0 jail with a shortened UUID.
.Pp
.Dl # iocage create -r 11.0-RELEASE -u 12345678
.Pp
Create a FreeBSD 11.0 jail with the custom UUID 12345678.
.Pp
.Dl # iocage create -c 3 -r 11.0-RELEASE -n examplejail
.Pp
This command creates three identical jails based off the
FreeBSD 11.0 RELEASE.
These jails are sequentially numbered based on the
custom NAME.
.\" == DESTROY ==
.It Cm destroy
Destroy the specified jail.
Caution, this subcommand is irreversible.
.Cm destroy
only works with a stopped jail.
.Pp
Options:
.Bl -tag -width "[-d | --download]"
.It Op Fl R | -recursive
Skip the destroy children prompt.
This is best used with the
.Op Fl f | -force
option.
.It Op Fl d | -download
Also destroy the specified RELEASE download.
.It Op Fl f | -force
Destroy the jail with no further warnings or user input.
.It Op Fl r | -release
Destroy a specified RELEASE dataset.
.El
.Pp
Examples:
.Pp
.Dl # iocage destroy 12345678 -f
.Pp
Destroy the identified jail with no further input.
.Pp
.Dl # iocage destroy -r 10.1-RELEASE
.Pp
Destroy the downloaded FreeBSD 10.1 release.
.Pp
.\" == DF ==
.It Cm df
Show resource usage of all jails.
Invoking
.Cm df
displays a table with several fields:
.Pp
.Bl -tag -width "UUID" -compact -offset indent
.It UUID
unique jail ID
.It CRT
compression ratio
.It RES
reserved space
.It QTA
disk quota
.It USE
used space
.It AVA
available space
.It NAME
jail name
.El
.Pp
Options:
.Bl -tag -width "[-H | -h | --header]"
.It Op Fl H | h | -header
Use when scripting, using tabs for separators.
.It Op Fl l | -long
Shows the full UUID.
.It Op Fl s | -sort Ar TEXT
Sorts the list by the named type.
.El
.Pp
Example:
.Pp
.Dl # iocage df -l
.Pp
Displays the usage table with the full UUID of each jail.
.Pp
.\" == EXEC ==
.It Cm exec
Execute a command inside the specified jail.
This is an
.Nm
UUID/NAME wrapper for
.Xr jexec 8 .
After invoking
.Cm exec ,
specify the jail, any commands to run inside that jail, and any
arguments for those commands.
.Xr jexec
also runs commands similar to
.Nm .
When using
.Xr jexec
use the JID instead of the jail name.
For more info see the manual page for
.Xr jexec .
Use -- in front of the specified command to prevent iocage from parsing
them.
.Pp
Options:
.Bl -tag -width "[-u | --host_user NAME]"
.It Op Fl U | -jail_user Ar NAME
Specifies which jail user runs the command.
.It Op Fl u | -host_user Ar NAME
Specify which host user runs the command.
.El
.Pp
Examples:
.Pp
.Dl # iocage exec examplejail_1 ls /tmp
.Pp
Lists the contents of the examplejail_1's
.Pa /tmp
directory.
.Pp
.Dl # iocage exec examplejail_1 "cat COPYRIGHT" | less
.Pp
In this example, examplejail_1 executes
.Cm cat COPYRIGHT ,
while the output is run with
.Cm less
outside the jail on the primary system.
.Pp
.\" == EXPORT ==
.It Cm export
Exports the specified jail.
An archive file is created in
.Pa /iocage/images
with an SHA256 checksum.
The jail must be stopped before exporting.
.Pp
Example:
.Pp
.Dl # iocage export examplejail_2
.Pp
.\" == FETCH ==
.It Cm fetch
Downloads and/or updates releases.
.Pp
.Cm fetch
must be executed as the first command on a pristine system.
The host node's RELEASE is downloaded for deployment.
If other releases are required, this can be changed by supplying the
required release property or selecting the appropriate RELEASE from
the menu list.
.Pp
Options:
.Bl -tag -width "[-plugins -official OPTIONS]"
.It Op Fl -accept
Accept the plugin's LICENSE agreement.
.It Op Fl -noaccept
Do not accept the plugin's LICENSE agreement.
.It Op Fl -plugins Ar OPTIONS
Fetch and create a plugin.
.It Op Fl -plugins Fl -official Ar OPTIONS
Fetch and create an official FreeNAS plugin.
.It Op Fl E | -eol
Enable End Of Life (EOL) checking upstream.
.It Op Fl F | -files Ar TEXT
Uses a local file directory for the root directory instead of HTTP.
.It Op Fl NE | -noeol
Disable EOL checking upstream.
.It Op Fl NU | -noupdate
Disable updating the fetch item to the latest patch level.
.It Op Fl NV | -noverify
Disable verifying the SSL cert for HTTP fetching.
.It Op Fl P | -plugin-file Ar TEXT
Specify which plugin file to use.
.It Op Fl U | -update
Update the fetch to the latest patch level.
.It Op Fl V | -verify
Enable verifying the SSL cert for HTTP fetching.
.It Op Fl a | -auth Ar TEXT
Specifies the authentication method for HTTP fetching.
Current values are basic and digest.
.It Op Fl c | -count Ar TEXT
Used when fetching a plugin.
This option creates the designated number of plugin type jails.
.It Op Fl d | -root-dir Ar TEXT
Specify the root directory containing all RELEASE files.
.It Op Fl f | -file
Use a local file directory for the root directory instead of HTTP.
.It Op Fl h | -http
No-op flag for backwords compatibility.
Previous versions of
.Nm
used this to adjust
.Op Fl s | -server
to define an HTTP server.
.It Op Fl p | -password Ar TEXT
Add a password, if required.
.It Op Fl r | -release Ar TEXT
Define the
.Fx
release to fetch.
.It Op Fl r Cm latest | Cm LATEST
Fetches the latest release.
.It Op Fl s | -server Ar TEXT
Define the server from which to fetch the RELEASE.
.It Op Fl u | -user Ar TEXT
Define the user.
.El
.Pp
Examples:
.Pp
.Dl # iocage fetch
.Pp
.Nm
lists available FreeBSD releases and asks which to download.
Enter the numeric option for the desired release, or type EXIT
to quit without downloading.
.Pp
.Dl # iocage fetch --release 10.3-RELEASE
.Pp
This tells
.Nm
to download and automatically update the FreeBSD 10.3 RELEASE.
This can also be used to apply the latest patches to an already
downloaded release.
Newly created jails or basejails are automatically updated.
.Pp
.Dl # iocage fetch -NE -r 11.0-RELEASE
.Pp
This disables the end of life check, then fetches the FreeBSD 11.0
release and updates with the latest patches.
.Pp
.Dl # iocage fetch -r LATEST
.Pp
This fetches the latest release available.
.\" == FSTAB ==
.It Cm fstab
Manipulates the fstab settings of a specific jail.
Name any options, then the jail, and finally all needed fstab strings.
.Pp
Options:
.Bl -tag -width "[-r | --remove | action]"
.It Op Fl H | h | -header
For scripting.
Use tabs for separators.
.It Op Fl R | -replace
Replace an entry by index number.
.It Op Fl a | -add | Cm action
Adds an entry to the specific jail's
.Pa fstab
and mounts it.
.It Op Fl e | -edit | Cm action
Opens the
.Pa fstab
file in the default editor.
.It Op Fl l | -list
List the jail's fstab.
.It Op Fl r | -remove | Cm action
Remove an entry from a specific jail's
.Pa fstab
and unmounts it.
.El
.Pp
Example:
.Pp
.Dl # iocage fstab -e examplejail_1
.Pp
.\" == GET ==
.It Cm get
Display the specified property.
List the property, then the UUID or NAME of the jail to search.
.Pp
Options:
.Bl -tag -width "[-H | -h | --header]"
.It Op Fl H | h | -header
Used in scripting.
Use tabs for separators.
.It Op Fl P | -plugin
Get the specified key for a plugin jail.
.It Op Fl a | -all
Get all properties for the specified jail.
If accessing a nested key, use "." as a separator.
.It Op Fl p | -pool
Get the currently activated zpool.
.It Op Fl r | -recursive
Get the specified property for all jails.
.It Op Fl s | Cm state
Return the state of the jail.
.It Op Fl j | Cm JID
Return the JID.
.El
.Pp
Examples:
.Pp
.Dl # iocage get -p
.Pp
Outputs the name of the activated zpool.
.Pp
.Dl # iocage get -a examplejail_1 | less
.Pp
List all properties of examplejail_1 and send the output
through
.Cm less .
.Pp
.Dl # iocage get -r dhcp
.Pp
Displays a table with each jail's UUID or NAME and the
status of the requested property.
.Pp
.Dl # iocage get -s examplejail_1
.Pp
Return whether the state of the jail is up or down.
.Pp
.\" == IMPORT ==
.It Cm import
Import a specific jail image.
Short UUIDs can be used, but do not specify the full filename, only
the UUID.
.Pp
Example:
.Pp
.Dl # iocage import 064c247
.Pp
.\" == LIST ==
.It Cm list
List the specified dataset type.
By default, all jails are listed.
.Pp
Options:
.Bl -tag -width "[-H | -h | --header]"
.It Op Fl -http
Changes
.Op Fl R | -remote
to use HTTP.
.It Op Fl H | h | -header
Used in scripting.
Use tabs for separators.
.It Op Fl P | -plugins
Shows plugins installed on the system.
.It Op Fl PRO
Lists official plugins available for download.
.It Op Fl R | -remote
Shows available RELEASE options for remote.
.It Op Fl b | r | -base | -release | Cm dataset_type
List all bases.
.It Op Fl l | -long
Shows JID, NAME, BOOT, STATE, TYPE, RELEASE, IP4, IP6, and
TEMPLATE information.
.It Op Fl q | -quick
Lists all jails with less processing and fields.
.It Op Fl s | -sort Ar TEXT
Sorts the list by the given type.
.It Op Fl t | -template | Cm dataset_type
Lists all templates.
.El
.Pp
Example:
.Pp
.Dl # iocage list
.Pp
Displays a table containing several elements for
each installed jail:
.Bl -tag -width "release"
.It JID
Jail identifier
.It UUID
Unique identifcation number.
.It STATE
Displays the active state of the jail.
Can be up or down.
.It NAME
The user assigned NAME.
.It RELEASE
The jail's FreeBSD RELEASE.
.It IP4
Shows the availability of IP4 addresses.
.El
.Pp
.\" == MIGRATE ==
.It Cm migrate
Migrate from the development version of iocage-legacy to the current
jail format.
.Pp
Options:
.Bl -tag -width "[-d | --delete]"
.It Op Fl d | -delete
Destroy the old dataset after migration.
.It Op Fl f | -force
Bypass any further warning or required user interaction.
.El
.Pp
Example:
.Pp
.Dl # iocage migrate -d -f
.Pp
Migrates to the new jail format and deletes the old dataset with
no further user interaction.
.Pp
.\" == PKG ==
.It Cm pkg
Run desired
.Cm pkg
commands in the specified jail.
List the jail's UUID or NAME, then any desired commands.
.Pp
.\" == RENAME ==
.It Cm rename
Rename the specified jail.
.Pp
Examples:
.Pp
.Dl # iocage rename jail1 NEWNAME
.Dl Jail: jail1 renamed to NEWNAME
.Pp
.\" == RESTART ==
.It Cm restart
Restart the specified jail, OR use ALL to restart all jails.
.Pp
Options:
.Bl -tag -width "[-s | --soft]"
.It Op Fl s | -soft
Restart the jail, but do not tear down the network stack.
.El
.Pp
Examples:
.Pp
.Dl # iocage restart ALL
.Pp
.Dl # iocage restart --soft examplejail1
.Pp
.\" == ROLLBACK ==
.It Cm rollback
Roll back a jail to an existing snapshot.
Any intermediate snapshots are destroyed in the process.
For more information on this functionality, please see
.Xr zfs 8 .
.Pp
Options:
.Bl -tag -width "[-f | --force]"
.It Op Fl f | -force
Run the command, skipping any warnings or further user interaction.
.It Fl n | -name Ar TEXT
[Required] Used to specify the snapshot name.
.El
.Pp
Example:
.Pp
.Dl # iocage rollback -n snapshottest2 examplejail1
.Pp
.\" == SET ==
.It Cm set
Set the specified properties in the desired jail.
Type the desired properties separated by a space, then the jail
UUID or NAME to apply the changes.
.Pp
Options:
.Bl -tag -width "[-P | --plugin]"
.It Op Fl P | -plugin Ar KEY
Set the specified key for a plugin jail.
If accessing a nested key, use "." as a separator.
.El
.Pp
Examples:
.Pp
.Dl # iocage set boot=on notes="Example note." testjail -P foo.bar.baz=VALUE PLUGIN
.Pp
.\" == SNAPLIST ==
.It Cm snaplist
List snapshots of a jail.
A number of different fields are displayed:
.Pp
.Bl -tag -width "CREATED" -compact -offset indent
.It NAME
snapshot name
.It CREATED
creation time
.It RSIZE
referenced size
.It USED
used space
.El
.Pp
Options:
.Bl -tag -width "[-H | -h | --delete]"
.It Op Fl H | h | -header
Used for scripting.
Tabs are used as separators.
.It Op Fl l | -long
Show the full dataset path for the snapshot.
.It Op Fl s | -sort Cm TYPE
Sort the returned list by the named TYPE.
.El
.Pp
Example:
.Pp
.Dl # iocage snaplist examplejail1
.Pp
.Dl # iocage snaplist FOO -s name
.Pp
.\" == SNAPREMOVE ==
.It Cm snapremove
Delete snapshots of the specified jail.
If the keyword
.Op Ar ALL
is used, all snapshots the specified jail are deleted.
.Pp
Options:
.Bl -tag -width "[-n | --name]"
.It Op Fl n | -name Ar TEXT
[Required] The snapshot name.
.El
.Pp
Example:
.Pp
.Dl # iocage snapremove -n snapshottest1 examplejail1
.Pp
.\" == SNAPSHOT ==
.It Cm snapshot
Create a ZFS snapshot of the specified jail.
If a snapshot name is not specified, a name based on the current
date and time is generated.
.Pp
Options:
.Bl -tag -width "[-n | --name TEXT]"
.It Op Fl n | -name Ar TEXT
The user created snapshot name.
.El
.Pp
Example:
.Pp
.Dl # iocage snapshot examplejail1 -n snapshottest1
.Pp
.\" == START ==
.It Cm start
Start a jail identified by
.Ar UUID
or
.Ar NAME .
Use
.Op Ar ALL
to start all installed jails instead.
.Pp
Options:
.Bl -tag -width "[--rc]"
.It Op Fl -rc
Start all jails with boot=on in a specific order.
Jails with lower priority start first.
.El
.Pp
Example:
.Pp
.Dl # iocage start examplejail1
.Pp
.\" == STOP ==
.It Cm stop
Stop a jail identified by
.Ar UUID
or
.Ar NAME .
Use
.Op Ar ALL
to stop all active jails instead.
.Pp
Options:
.Bl -tag -width "[--rc]"
.It Op Fl -rc
Stop all jails with boot=on in a specific order.
Jails with higher priority values stop first.
.El
.Pp
Example:
.Pp
.Dl # iocage stop 6ffe99a9
.Pp
Stop the jail identified by the shortened UUID.
.Pp
.\" == UPDATE ==
.It Cm update
Runs
.Cm freebsd-update
to update the specified jail to the latest patch level.
.Pp
Example:
.Pp
.Dl # iocage update examplejail1
.Pp
.\" == UPGRADE ==
.It Cm upgrade
Runs
.Cm freebsd-update
to upgrade a jail RELEASE to the specified RELEASE.
A backup snapshot is automatically created to provide a rollback option.
.Pp