02Introduction to Power Shell Win Server all in one.pptx

02Introduction to Power Shell Win Server all in one.pptx

• 1.
  Introduction to PowerShell 1
• 2.
  Windows PowerShell • PowerShellis relatively new and the entire windows server 2012 operating system is built around it. – we will see PowerShell throughout the operating system, how the different functionalities of this server OS can be done with PowerShell • It can be regarded as the new command line interface (command prompt), and it can be used as a scripting engine • In windows server 2012, the entire GUI is built on top of it, i.e. we can do all the things we do in the GUI using PowerShell 2
• 3.
  Windows PowerShell • PowerShellas a whole is huge (it can take a whole course) • You access windows PowerShell by clicking its icon on the windows taskbar. • Or we can open windows PowerShell from the server manager, Tools menu • Or use the start screen to open it as any other program 3
• 4.
  Windows PowerShell • PowerShellis used for command line administration and also used for scripting • It is more powerful than the cmd • In PowerShell, we use commandlets (Cmdlet) – E.g. get-location, – It is verb-noun combination. – We use command verbs like get, set, new etc – Nouns like location, item, object, service, date etc 4
• 5.
  Windows PowerShell • Wecan use the help feature how to use a command – E.g. “get-help get” lists all possible commands with “get” • You can clear the screen using “clear-host” or “clear” command (like the cls in cmd) • The old cmd line command also work here (called aliases) • You can for example change the location of the PowerShell prompt by typing “set-location” then the place 5
• 6.
  Windows PowerShell • E.g.set-location desktop • We can create a folder there as follows: – New-item –name “my folder” –type directory • To create a word file in it, do the following: – Set-location “my folder” • For names with blanks, put in quotation – New-item –name “test file.docx” –type file 6
• 7.
  Filtering with pipeline •Type “get-service” lists all the services • To filter only the services that are running, we use pipeline | as follows: Get-Service | where-object {$_.status – eq “Running”} • The $_. represents “any” (wild card). • You nan also use “name” on place of “status” to see only one service • We can nest pipeline deeper as follows: Get-Service | where-object {$_.status – eq “Running”} | sort-object displayname 7
• 8.
  Filtering with pipeline •We can save the output to a text file • E.g. type ipconfig • To save the output, type the following: Ipconfig | out-file “ip.txt” • To see if you have created it, type “get-childitem” • To append text to the above file, do the following get-date|out-file “ip.txt” –append • Check the file for the change 8
• 9.
  Batch File • Tosave a batch file (which is a script that can be run to do something), we create file with .ps1 extension (power shell extension). • Type the following: • new-item –name “date.ps1” –type file • edit date.ps1 • Open the text file using any text editor and just type the PowerShell script, for this case as a simple example, just type the following: • Get-date • Then save and exit: use the File menu save, then exit 9
• 10.
  Batch File • Torun the script, type .date.ps1 • If you get error because running scripts is disabled by default (on workstations), type set-executionpolicy remotesigned • You see the result of the script 10
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  PowerShell ISE • Forusers who are familiar with the GUI, there is a better PowerShell environment, called windows PowerShell ISE (integrated scripting environment) – To open it, right click on the PowerShell icon at the windows taskbar, select PowerShell ISE or you can find it using the Tools menu at the server manager • The PowerShell ISE assists us by auto populating certain command when typing We use the tab key to select the command it suggests • Type Get-Command –Noun service – This gives us all the commands that have to do with “service” – We can do all those things related to service in powershell 11
• 12.
  PowerShell ISE • Tosee all the processes running on the system, type get-process in PowerShell – This is also the output we get using the task manager – To see the task manager, you can right click on the task bar, and select task manager, click on More Details to see the details. – Then click on view menu, and uncheck Group by type – This list is equivalent to the PowerShell list by get- process. 12
• 13.
  PowerShell Vs CommandPrompt • Open command prompt (by typing cmd on the run dialog box, or any other way) • To see all the services that are running on windows, type “net start” on command prompt • The equivalent command on PowerShell is Get-Service | where-object {$_.status – eq “Running”} • Which one is easier? 13
• 14.
  PowerShell Vs CommandPrompt • From a typing perspective, net start is easier, but from a memorization perspective PowerShell command is easier. – Net start is something you must know, it doesn’t logically make sense till you learn it – PowerShell command is more intuitive. • PowerShell is so much more flexible, it is capable of doing all the things we do using the GUI 14