April 9, 2008
MCPmag.com News
http://MCPmag.com
MCPmag.com: The Two Faces of PowerShell; Exchange 2007
Issues; More
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IN THIS ISSUE:
- Prof. PowerShell: The Two Faces of PowerShell
- Redmond Radio: Patch Tuesday Preview; IRS Vishing Scam;
more
- IT Cert/Discussions: Exchange 2007; Password Changes; More
- Special Offers: TechMentor Orlando; Two-Factor
Authentication
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PROF. POWERSHELL: The Two Faces of PowerShell
By Jeffery Hicks
PowerShell has two faces, and you are likely to see both of
them.
The first face is the management console. PowerShell is
designed
to run as an interactive console. You type a command or
pipelined
expression and PowerShell executes it. Because PowerShell is
object-based and leverages the pipeline, what once required
complex
VBScript or batch files can now be accomplished with a
single line
or two of PowerShell. More than likely, 80 percent or more
of your
PowerShell usage will be through the interactive console.
You may have also heard that PowerShell is a scripting
language.
Well it is, but not necessarily in the way you'd think of a
scripting language like VBScript.
What is the difference between using the interactive console
and
scripting? None. A PowerShell script is a simple text file
with
a .ps1 extension. Any command you type at the console can be
pasted
into your script. Think of a PowerShell script as a type of
batch
file. This means you can test your command interactively,
and when
it works, you can copy and paste it into your script.
The main reason you would write a script for PowerShell is
essentially to save typing. When PowerShell runs your
script, it
reads and executes line by line, starting at the beginning.
If
you've got a long and complex PowerShell expression,
especially
one you will be using a lot, writing a script saves a lot of
typing and mistakes. Run the script and your command
executes.
You might also need a script for more complex tasks that
require
several steps. You could execute the steps manually, but
using a
script saves time.
PowerShell's scripting language, such as it is, really only
consists
of a handful of logic constructs for handling If statements
and
loops. You can use them in the management console, but you
are more
likely to use them in a script. We'll cover them in future
columns.
So don't be put off learning PowerShell, thinking you need
to learn
a new scripting language. As you learn the cmdlets, the
pipeline,
operators and everything else in the shell, you are learning
to
script at the same time. Interactive console or script?
Whichever
gets the job done the fastest. It's all the same to
PowerShell.
Comment: http://mcpmag.com/columns/article.aspx?editorialsid
=2575#post
Jeffery Hicks, MCSE, MCSA, is a Microsoft PowerShell MVP and
scripting guru for SAPIEN Technologies. Jeff is a 16 year IT
veteran
who has co-authored and written several books, courseware
and
training videos on administrative scripting and automation.
He is
the co-author of Advanced VBScript for Microsoft Windows
Administrators (Microsoft Press) and Windows PowerShell:TFM
(SAPIEN Press). His latest is WSH and VBSCript Core:TFM
(SAPIEN Press).
Check out MCPmag.com's column archive for more savvy tips
and tricks
from Jeff, Greg Shields, Chris Wolf and other frequent
contributors.
http://mcpmag.com/columns/
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REDMOND RADIO for Week of April 7
Hosted by Michael Domingo
Take a quick listen to what made news last week in the world
of
Redmond and IT:
* Microsoft's OOXML standard wins approval
* April Patch Tuesday comes with 8 fixes
* XP licensed extended to cheap PCs
* IRS phishing scam
Plus, listen to find out how to enter the weekly Redmond
T-Shirt:
http://mcpmag.com/webcasts/mcpradio/radio.asp?id=286
iTunes/iPodder listeners: Download the show automatically by
pointing
your applet at http://mcpmag.com/rs
s/podcasts/.
Problems listening to the podcast? Write to mdomingo 1105media.com
and describe the problem to get help. We want you to listen
if you
want to hear it!
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IT/CERT DISCUSSION FORUMS:
Need troubleshooting help? Post your questions to
MCPmag.com's
IT/Certification Discussion Forums, where experts Andy Barkl
and
Andy Goodman, as well as a host of regular members, can
offer
solutions to your most difficult IT dilemmas.
The messages are always free to read, but registration
(which is
also free) is required to post. Go to http://mcpmag.com/forums/
a>
and start posting.
Also check out and post your questions and issues to the new
Virtualization section at
http://mcp
mag.com/forums/default.asp?C=12.
Check out these recent posts:
OFFLINE SYNC CONFIGURATION: We have different user profiles
logged
onto our network. I know the offline sync is via machine
settings.
But is it possible to configure sync as per user profiles? I
don't
want to delete the profiles as I might want to retrieve the
data.
Comment: htt
p://mcpmag.com/forums/forum_posts.asp?tid=4328
USERS UNABLE TO CHANGE PASSWORD: If a user tries to log in
and his
password is due to expire within 14 days, he gets a prompt
to change
his password. If he clicks yes, he goes to a screen where he
has to
put in his existing pword and a new one. if he does this, he
gets
a message, "You do not have permission to change your
password. If
he simply logs onto his PC with the existing pword and then
goes
to the Windows security screen (Ctrl+Alt+Del) and selects
Change
password, he's able to do so.
Appears that only the non authenticated attempt to change is
failing...
Read rest, comment: htt
p://mcpmag.com/forums/forum_posts.asp?tid=4330
EXCHANGE 2007 PROBLEM: When I try to send mail to some
domains, I
get the error 421 .4 .4 .2 connection dropped, although mail
is
flowing to other domains. Normally, I can send mail normally
from
HotMail or Yahoo and am not blacklisted anywhere and my mx
records
are configured correctly. Can anyone help me with this?
Comment: htt
p://mcpmag.com/forums/forum_posts.asp?tid=4329
I AM LOOKING FOR SOFTWARE THAT WILL...: ...identify a server
that
has no traffic on it. I want to get rid of servers that are
no
longer being used. Workstations are easy because, I could
just
look for logons. For servers, that is different. Any
suggestion
on how to find unused servers?
Comment: htt
p://mcpmag.com/forums/forum_posts.asp?tid=4325
Want to join the discussion? Go to http://mcpmag.com/forums/
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