How to make a shortcut to always "Run as Administrator"

Question

KAE 2017-6-13

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评论： Walter Roberson 2023-12-4

I would like to change the default startup of Matlab to 'Run as Administrator', which is necessary for tasks like saving the path. I start Matlab from a desktop icon and would like to alter the icon properties so I always 'Run as Administrator'. Or if there is another way to make the default startup of any Matlab session to run as administrator, please let me know. I know this can be done via right clicking on Matlab from the Windows start menu, but would like to not have to take this extra step. I am using Windows 10 and running R2015b.

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Adam 2017-6-13

编辑：Adam 2017-6-13

I don't remember doing anything out of the ordinary with my shortcuts and I have no problem saving my path (Windows 10, R017b)

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Answer 1

Dimitris Iliou 2017-6-16

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Please keep in mind that this is a Windows workflow and not a MATLAB specific one.

What I would suggest is

Go to the MATLAB icon
Click on properties
Go to the Shortcut tab
Press Advanced..
Check the "Run as administrator" checkbox.

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KAE 2017-6-16

编辑：KAE 2017-7-11

Works perfectly. I am delighted. Head's up though if anyone is trying this: If you run as administrator, you may no longer see mapped network drives from within Matlab, see here.

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Answer 2

Daniel Dergance 2023-12-3

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how do I Run as administrator from a MAC?

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Walter Roberson 2023-12-4

Run As Administrator is not MacOS or Linux concept.

The equivalent MacOS or Linux concept is to set the effective UID.

The API call for that is https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setuid.2.html#//apple_ref/doc/man/2/setuid or setreuid() -- but basically You Can't Get There From Here if you are starting out without special permissions .

The way to get special permissions is if your executable has already been marked as setuid which would usually be done using the chmod() system utility -- so you would use a shell command to chmod the executable to give it an effective uid of root. But you would not normally have permission to do that... so you would typically start by using the system utility sudo to grant you enhanced access to allow you to run chmod to set the effective uid on the executable that is to run with root priviledges.

Now... when an executable is marked setuid then the operating system puts special restrictions on it to make sure it does not abuse its power. One of the restrictions is that while the executable is running, it will ignore LD_LIBRARY_PATH and DYLD_LIBRARY_PATH and some internal @rpath stuff -- so it can only access dynamic libraries that are on the system library path. Which is potentially a problem.

And you have to mark the right executable... which is not always obvious in the MacOS app hierarchy.

You could try using Pseudo 1.2 as described at https://macdownload.informer.com/pseudo/ -- I used that utility from time to time a number of years ago. It is a utility that allowed you to drag and drop icons onto it, and it would launch the icon with elevated priveledges. But I suspect Pseudo 1.2 is likely a 32 bit program that cannot be used on current MacOS releases.

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