Question

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How to save output to file that required root access

rated 0 times [ 2] [ 0] / answers: 1 / hits: 1482 / 3 Years ago, sat, june 19, 2021, 1:13:21

I want to save output of command to a file that my current user do not have access to. But my user can have root access using sudo.
I'm running for example:

sudo crontab -l > /var/BackUp/crontab

-bash: sudo: Permission denied

But I can run just sudo crontab -l
So I think sudo relevant only to crontab command and as user do not have access to /var/BackUp/crontab it gives such error.

Is it possible to write output to a file that requires root access under current user?

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herriail

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3 Years ago

answered 3 Years ago rvousnove · Accepted Answer

The redirection is not part of the sudo command. Depending on the operation you can do:

sudo bash -c 'crontab -l >/var/backup/crontab'

Or if the command doesn't need sudo:

crontab -l | sudo tee /var/backup/crontab