April 2007
Intermediate to advanced
551 pages
12h 9m
English
Content preview from Professional Windows® PowerShell
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
16.1. Minimizing the Default Risk
When you install Windows PowerShell, there are several factors that reduce the chances of any malicious script being run. By default, immediately after you install PowerShell you can't run Windows PowerShell scripts at all.
If, with a default installation of Windows PowerShell, you attempt to run a Windows PowerShell script (in any of a number of ways, as described in this section), you run into a brick wall. Double-clicking on a script in Windows Explorer causes the script to open in Notepad
Similarly, if you attempt to run a script by right-clicking on it and choosing the Open option from the context menu, the script is again opened in Notepad.
Right-clicking on a script and selecting the Open With option, then selecting Windows PowerShell from C:\WINDOWS\system32\windowspowershell\v1.0 fails to add Windows PowerShell to the list of programs that can open a .ps1 file. I also tried copying the shortcut to Windows PowerShell to the desktop and then tried to add that shortcut to the list of programs to open the script, but the error message shown in Figure 16-1 was displayed.
Figure 16.1. Figure 16-1
I couldn't find a way to make a PowerShell script execute from Windows Explorer. That is a good thing, since it protects each Windows machine from an innocent user double-clicking on a file and executing a malicious script. This protection is permanent. ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.