The thing I'm now trying to do is automate the cleaning out of things left behind by akmod(?) after the weekly patch (dnf upgrade).  A cron job seems like the most natural way to do this.  Since the patches are weekly, I believe the cron job should be weekly, scheduled for a day and time when the workstation is almost always up, but idling.

Here is my current /var/cache/akmods/nvidia/ directory:
-----
-bash.29[nvidia]: ls -la
total 60628
drwxr-xr-x. 2 root   root      57344 Oct 24 11:01 .
drwxr-xr-x. 3 akmods akmods     4096 May 15 18:42 ..
-rw-r--r--. 1 root   root     535759 Oct 17 14:06 430.40-1-for-5.3.5-200.fc30.x86_64.log -rw-r--r--. 2 root   root     535714 Oct 24 11:01 430.40-1-for-5.3.6-200.fc30.x86_64.log -rw-r--r--. 1 root   root   12081124 Oct  3 11:54 kmod-nvidia-5.2.17-100.fc29.x86_64-430.40-1.fc29.x86_64.rpm -rw-r--r--. 1 root   root   12081040 Oct 10 10:11 kmod-nvidia-5.2.18-100.fc29.x86_64-430.40-1.fc29.x86_64.rpm -rw-r--r--. 1 root   root   12081932 Oct 10 15:31 kmod-nvidia-5.2.18-200.fc30.x86_64-430.40-1.fc30.x86_64.rpm -rw-r--r--. 1 root   root   12078996 Oct 17 14:06 kmod-nvidia-5.3.5-200.fc30.x86_64-430.40-1.fc30.x86_64.rpm -rw-r--r--. 1 root   root   12078980 Oct 24 11:01 kmod-nvidia-5.3.6-200.fc30.x86_64-430.40-1.fc30.x86_64.rpm
-rw-r--r--. 2 root   root     535714 Oct 24 11:01 .last.log
-bash.30[nvidia]:
-----
I have a few questions:

* Best practice is to have the job run as which user?
* I gather from the man pages for cron and crontab that there are multiple crontabs.  Best practice for this is to use which one? * Is the command "rm -rf /var/cache/akmods/nvidia/*" good, overkill, or not enough" * Is best practice to edit the appropriate crontab with my favorite editor, or is there a specific tool or command that I should use?

Anything else I should know before I do this?

thanks,
Bill.
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