How to Append to a Write-Protected File
Published: October 19, 2022 • 2 min read
- terminal
Suppose you want to append to a file that’s write-protected and can only be
edited via sudo. Is that possible? It is!
A technique I discovered today is to use tee with sudo:
$ cat file.txt | sudo tee -a /etc/hostsThis lets me append the contents of file.txt to the write-protected
/etc/hosts file by entering my password.
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