Use $WhatIfPreference in PowerShell to Prevent Accidents

• The default value of $WhatIfPreference variable is $false.
• Adding “$WhatIfPreference = $true” to a script or the PowerShell profile
• Now every cmdlet that supports a whatif switch will execute as the whatif switch is on
• To overwrite the setting in a particular cmdlet, add –whatif:false in the cmdlet

PowerShell ExecutionPolicy Bypass

Windows PowerShell v.2 supports a bypass execution policy.  It can be used to overwrite the computer execution policy setting in batch script.

The computer execution policy is restricted.  A PowerShell script can not be executed.

With the bypass option, the script is able to execute.

PowerShell: Avoid Bank Lines at End of a Text File

Use System.IO.File .NET Framework class’s Write AllText static method.

[System.IO.File]::WriteAllText(string path, string contents)

or [System.IO.File]::WriteAllText(string path, string contents, System.Text.Encoding encoding)

e.g. [system.io.file]::WriteAllText(“c:\fso\ioascii.txt”, $count, [System.Text.Encoding]::ascii)

More info: [system.io.file] | get-member –static WriteAllText | fl *

[system.text.encoding] | get-member –static –MemberType property

Reference: http://blogs.technet.com/b/heyscriptingguy/archive/2011/09/19/avoid-blank-lines-at-end-of-a-text-file-with-powershell.aspx

Best Practices for DNS Client Setting in Windows Server Domain Controller with DNS Installed

Assume at least two domain controllers with DNS installed in the domain.

• Configure the remote DNS server set as Preferred DNS server
• Configure 127.0.0.1 as Alternate DNS server

Reference:

• http://support.microsoft.com/kb/825036
• http://technet.microsoft.com/en-us/library/ff807362(WS.10).aspx

SharePoint Server 2010 Training

• Configuring a BI infrastructure: Hands-on labs
• Best Practices for SharePoint Server 2010

SharePoint Server 2010 Best Practices

http://technet.microsoft.com/en-us/sharepoint/hh189420.aspx

Office 365 Guide / Training

• Office 365 Deployment
• Office 365 for the IT Pro