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System Administration Commands lu(1M)
NAME
lu - FMLI-based interface to Live Upgrade functions
SYNOPSIS
/usr/sbin/lu
DESCRIPTION
The lu program is part of a suite of commands that make up
the Live Upgrade feature of the Solaris operating environ-
ment. See live_upgrade(5) for a description of the Live
Upgrade feature.
The lu program is a Forms and Menu Language Interpreter-
based user interface. (See fmli(1) for a description of the
Forms and Menu Language Interpreter.) lu enables you to
create and upgrade boot environments (BEs) and perform other
administrative tasks on BEs. The lu program performs a sub-
set of the functions provided by the Live Upgrade command-
line utilities.
Users of lu should be aware of the following:
o lu is a deprecated interface. It will be replaced in
the future and should not be depended on for critical
functionality.
o All new Live Upgrade features are being implemented in
the Live Upgrade command-line utilities. No new
features are being made available in lu.
o The lu command is not internationalized. It will not be
internationalized in a future release.
lu should be used for learning or experimenting only. For
any production use or to use the full capabilities of Live
Upgrade, use the Live Upgrade command-line utilities.
Invocation of the lu command requires root privileges.
The lu command accepts no arguments. After invoking lu, you
receive a display with the following options:
Activate
Activate a boot environment. This option designates that
the system boot from the specified BE upon next reboot.
This option is equivalent to the command-line
luactivate(1M) utility.
SunOS 5.10 Last change: 10 Sep 2003 1
System Administration Commands lu(1M)
Cancel
Cancel a copy job. Live Upgrade allows you to schedule
the copy, upgrade, and flash functions (all described
below) at a later time. The cancel function enables you
to cancel a scheduled job. This function is equivalent
to the command-line lucancel(1M) utility.
Compare
Compare the contents of BEs. Enables you to obtain a
detailed comparison of two BEs. Equivalent to the
command-line lucompare(1M) utility.
Copy
Start/schedule a copy. Copies the contents of one BE to
another. Equivalent of the command-line lumake(1M) util-
ity. At any time, you can have only one Live Upgrade
operation scheduled.
Create
Create a boot environment. Implements a subset of the
functions performed by the command-line lucreate(1M)
utility.
Current
Display the name of the current boot environment.
Equivalent of the command-line lucurr(1M) utility.
Delete
Delete a boot environment. Equivalent of the command-
line ludelete(1M) utility.
List
List the file systems of a boot environment. Equivalent
SunOS 5.10 Last change: 10 Sep 2003 2
System Administration Commands lu(1M)
of the command-line lufslist(1M) utility.
Rename
Change the name of a boot environment. Equivalent of the
command-line lurename(1M) utility.
Status
List the status of all boot environments. Equivalent of
the command-line lustatus(1M) utility.
Upgrade
Upgrade a boot environment or upgrade the OS on an inac-
tive BE. This option enables you to upgrade to a new
operating system or install new packages or patches on a
specified BE. Implements a subset of the functions per-
formed by the command-line luupgrade(1M) utility. Note
that if you are performing an upgrade that requires more
than one CD, you must use the -i option of luupgrade.
Flash
Flash a boot environment. This option enables you to
install an operating system on a BE from a flash
archive. You can perform the same function with
luupgrade(1M).
Help
Displays help information. There are also context-
specific help screens for many of the options.
Exit
Exit lu.
SunOS 5.10 Last change: 10 Sep 2003 3
System Administration Commands lu(1M)
Navigation
You navigate through lu's various screens using arrow keys
and function keys (usually F2 through F9 on the keyboard of
a Sun desktop system). Available key functions are displayed
at the base of the lu screen. You can use Ctrl-F, plus a
number key, to duplicate a function key. For example, press
Ctrl-F and the number key 2 to duplicate the F2 key.
In a screen for a given option, you can press Esc to obtain
context-specific help.
Display Issues
When viewing the FMLI interface remotely, such as over a tip
line, you might need to set the TERM environment variable to
VT220. When using the FMLI interface in a CDE environment
use dtterm, rather than xterm, as the value of the TERM
variable.
The lu command supports only single-byte environments.
Common Functions
Most of the options listed above offer the following func-
tions. These functions are accessible through function keys
indicated at the base of the screen.
Choice
Available to you whenever you have a field that can be
filled in. Pressing the Choice function key gives you a
popup screen displaying a list of alternatives. For
example, for options involving copying or upgrading BEs,
you receive a list of available BEs. You can then use
arrow and function keys to make a selection from this
popup. The choice function is useful because it prevents
you from selecting an invalid alternative. In our exam-
ple, it prevents you from choosing a BE that is not
available for a copy or upgrade operation. Such non-
availability might occur when a BE is in the midst of an
upgrade.
Cancel
Cancel an operation.
Save
Proceed with an operation.
SunOS 5.10 Last change: 10 Sep 2003 4
System Administration Commands lu(1M)
Other Functions
The "Create" option, described above, offers the following
functions:
Split
Split a file system. For example, you can split a / file
system into /, /usr, and /var. To split a file system,
you must have disk slices available on which to mount
the separated file system(s). If you do not, lu invokes
the format(1M) utility, in which you can use the parti-
tion option to create a new disk slice.
Merge
Join one or more file systems with its (or their) parent
file system. For example, using a source BE that has
separate /, /usr, and /var file systems, you can merge
these file systems under / on a target BE.
FILES
/etc/lutab
list of BEs on the system
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWluu |
|_____________________________|_____________________________|
SEE ALSO
luactivate(1M), lucancel(1M), lucompare(1M), lucreate(1M),
lucurr(1M), ludelete(1M), ludesc(1M), lufslist(1M),
lumake(1M), lumount(1M), lurename(1M), lustatus(1M),
luupgrade(1M), lutab(4), attributes(5), live_upgrade(5)
Solaris Installation Guide
WARNINGS
SunOS 5.10 Last change: 10 Sep 2003 5
System Administration Commands lu(1M)
The lu command is a deprecated interface. See DESCRIPTION.
SunOS 5.10 Last change: 10 Sep 2003 6
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