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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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correct way to echo | sudo tee (lemmy.world)

submitted 7 hours ago* (last edited 6 hours ago) by Agility0971@lemmy.world to c/linux@lemmy.ml

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Can someone explain why this would make the command wait forever? What is tee waiting for?

echo "test" | sudo tee newfile

What would be a scriptable workaround for such cases?

Edit: this command would not terminate in zsh. This works fine in bash tho.

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[–] bleistift2@sopuli.xyz 6 points 6 hours ago (6 children)

Can’t reproduce.

16:22:48:~/tmp$ echo foo | sudo tee newfile
[sudo] Passwort für bleistift2:         
foo

16:23:02:~/tmp$ ls -l newfile
-rw-r--r-- 1 root root 4 Feb 23 16:22 newfile

[–] Agility0971@lemmy.world 2 points 6 hours ago (5 children)

I just switched over to bash and it worked lol. It just didn't return for me in zsh...

[–] bleistift2@sopuli.xyz 3 points 6 hours ago (1 children)

My initial guess was that sudo would eat up the echo’d foo as the password. Maybe sudo works differently when invoked via zsh?

[–] Agility0971@lemmy.world 1 points 6 hours ago

sudo does not prompt for password in my container. It just elevates the privileges straight away. Yeah, it's hard to tell. Or test for that matter.

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