https://www.makeuseof.com/linux-admin-once-you-know-these-permissions-commands/
I broke my Linux system once, then mastered these commands and finally took control back.
basicallyadminknow
https://pro.tecmint.com/blog/sed-command-examples/
In this article, I’ll show you 10 must-know sed one-liners that will help you clean up files, tweak configs, or automate boring text edits.
linux adminsedonelinersevery
https://www.hanselman.com/blog/getting-admin-by-adding-a-new-user-to-sudoers-when-youre-locked-out-of-an-azure-linux-vm
So I got locked out of an Ubuntu VM that's running in Azure Long story, but an ...
gettingadminaddingnewuser
https://shop.linuxnewmedia.com/shop/abd5116-admin-digital-add-on-subscription-6-issues-96
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https://shop.linuxnewmedia.com/shop/abd5117-admin-digital-subscription-6-issues-95
PLEASE NOTE: Subscriptions will begin with the next issue of ADMIN. If you wish to receive the current/latest issue, you will need to purchase it separately.
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