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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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Help, my system is read only (lemmy.ml)

submitted 3 years ago by [email protected] to c/[email protected]

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Well, I was using my machine as usual, downloading some stuff in Nicotine while all of a sudden it starts throwing me permission error for the files I was downloading, it was weird so I went to my downloads folder and noticed that the folder where it was being downloaded on was protected, I tried to change it using right click, properties, and after I presses F5 all my system appeared as read only. I noticed that another folder also got read only while I was downloading it from Nicotine yesterday, I don't know if it is related.

I'm using Ubuntu 18.04.4 LTS.

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[–] TheAgeOfSuperboredom 1 points 3 years ago (3 children)

Filesystem corruption maybe? How old is the hard drive?

Do you see any warnings or errors on boot? If you run the command "sudo dmesg | less", do you see any errors or warnings in the log?

A bunch of questions, but it's a start!

[–] [email protected] 1 points 3 years ago (2 children)

Don't SSDs sometimes become read only when the filesystem is corrupted or the SSD is old? The second one might be a myth, I was never sure.

[–] [email protected] 2 points 3 years ago (1 children)

This is interesting... The write limit is gone, so the drive to self preserve allows only reads... It sounds logical... Anyone got any solid idea/knoweledge on the topic?

[–] TheAgeOfSuperboredom 2 points 3 years ago

As far as I know that's correct. Flash memory has a certain lifetime in writes. But it's usually an extremely large number, especially for SSDs.

Swap space on an SSD can reduce it's lifespan since it'll be written to more often, but I don't know how much of a reduction you'd get.