Access Denied when I run 'rustup doc'

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When I run rustup doc --book I get this:

Access to the file was denied.

The file at file:///home/ken/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/share/doc/rust/html/index.html is not readable. It may have been removed, moved or file permissions may be preventing access.

I've reinstalled, I've tried using chmod -R 777 on the directory. What else is there to try? The files are there.

Brianna answered 3/5, 2019 at 0:48 Comment(6)

Check with getfacl on the file and all parent folders. Check if xdg-open file:///home/ken/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/share/doc/rust/html/index.html works. – Theirs 3/5, 2019 at 6:22

xdg_open results in the same access denied in browser. getfacl output indicates that the folders are owned by my user, and my username is under "group" as well as owner. – Brianna 3/5, 2019 at 17:4

Can you try xdg-open with some other HTML file on your system? And can you try xdg-mime query default text/html? – Theirs 4/5, 2019 at 18:22

default is firefox, xdg-open works fine with other HTML files – Brianna 5/5, 2019 at 19:26

I'm a bit lost there. Last idea, can you try xdg-mime query filetype index.html and xdg-mime query default $(xdg-mime query filetype index.html)? – Theirs 6/5, 2019 at 7:10

first returns: text/html, the second: firefox_firefox.desktop. again these are not on files in the Rust book dir. I had installed Rust via apt and then uninstalled, then reinstalled with the .sh script on the website. Baffling problem – Brianna 6/5, 2019 at 16:37

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As mentioned by C F M G, if you use a browser installed with Snap then it will not work. I tried this with the Firefox snap and got the same message as you, but was able to access the docs when using Ungoogled Chromium installed from Flatpak.

Autoerotism answered 22/7, 2022 at 14:56 Comment(1)

Works on Edge 107.0.1418.35 installed from official microsoft web site. – Shawanda 9/11, 2022 at 9:28

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Check if you are using a browser on snap; in this case apparmor restricts access to local files. you can fix this by replacing the snap version.

Derrek answered 24/10, 2021 at 17:53 Comment(0)

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What browser do you use?. I use Brave and the same error occured to me. I solved it changing the default browser to Chromium. After that, all work perfectly.

Coordination answered 2/3, 2020 at 0:40 Comment(0)

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Try changing your browser. It didn't work for me with Chromium but Firefox works like a charm

Westsouthwest answered 2/4, 2021 at 23:53 Comment(0)

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Couldn't open the Rust Document,the reason is chrom/firefix installed by snap!!!

Elvaelvah answered 27/1, 2023 at 14:3 Comment(0)

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It's because your browser is installed via snap.

You can either change your default browser, or reinstall it outside of snap, or just run a local web server in the documents folders.

cd into $HOME/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/share/doc/rust/html
run python3 -m http.server or php -S 127.0.0.1:8000

Source: https://github.com/rust-lang/rust/issues/61796#issuecomment-1261282044

Ancilla answered 18/6 at 12:30 Comment(0)

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