this post was submitted on 22 Jan 2024
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Linux
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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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Not me, but one I saw... dude used chmod to lock down permissions across the board... including root... including the chmod command.
"What do I do?"
🤔
"Re-install?"
@jordanlund @fl42v I *think* this one could be recoverable if they had a terminal still active by using the dynamic loader to call chmod — or by booting from a liveCD and chmodding from there.
That'd likely get you to a 'working' state quickly, but it'd take forever to get back to a 'sane' state with correct permissions on everything.
Exactly. There's no way to even know what the previous permissions were for everything.
They were TRYING to recursively change permissions in a single directory, accidentally hit the whole system. :(