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When your page needs something done, write a file describing the job. Then you have a program running as root waiting for new jobs. It can run continuously if it needs fast response or it can run every minute or every few minutes using a crontab entry.
Is it safe to run a script as root?
Now, I have to say that in general, setuid root programs aren’t a great idea. Often you can create a special user to own the script, and give that user some limited privileges needed, and then make the script setuid to that user. A much safer method of doing things as root from a web page is to disconnect the program execution from the web page.
How to add a user to the GUI?
First you need to give to that user the permission with xhost, to use the GUI. To add an user permanently you can add the following xhost command to /etc/bash.bashrc (system wide) or locally in ~/.bashrc .
How to run a GUI in a shell?
You can use the command xhost + to allow other users permission to display GUI’s to user1’s desktop. NOTE: When running xhost + you’ll want to run this while still in a shell that belongs to user1. When you become user2 you may need to set the environment variable $DISPLAY.
How can a script check if it is being run as root?
Taking efficiency into consideration, you may test, first, the EUID environment variable and then, if it doesn’t exist, call the standard id command: This way, because of the OR shortcut, you avoid calling a system command, prioritizing the query of an in-memory variable. #!/bin/bash [ [ $ (id -u) != 0 ]] echo $? suggest to use sudo !!
What are the default repositories for install-script?
The default repositories Install-Script operates against are configurable through the Register-PSRepository, Set-PSRepository, Unregister-PSRepository, and Get-PSRepository cmdlets.
Where to install PowerShell script in Microsoft Docs?
The AllUsers scope lets modules be installed in a location that is accessible to all users of the computer, that is, $env:ProgramFiles\\WindowsPowerShell\\Scripts. The CurrentUser scope lets modules be installed only to $home\\Documents\\WindowsPowerShell\\Scripts, so that the module is available only to the current user.