General mild documentation oddities rollup

[nabijaczleweli]

@MrChromebox

the whole reason to not run as root isn’t related to noexec, not sure where that came from

absent real documentation,

@elly

Doesn’t really matter. Reason why Matt says that is most ChromeOS mountpoints have noexec flags and sadly most people aren’t very technical.
By telling them to login as chronos and escalate priviledges using sudo, it ensures that users stay within mountpoint that allows executing binaries.

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@MrChromebox

It’s to ensure that under ChromeOS, the script is downloaded to a place that the user has write permission. The chronos/crosh user has write permission in their home directory; the root user does not.

I cannot reproduce this on my ChromeOS, and root can write to ~chronos. Maybe MLS gets stricter in newer releases.

But that’s neither here nor there, really; if you spec sudo bash -c "$(curl -L mrchromebox.tech/firmware-util.sh)" then the same thing works under ChromeOS and Linux, regardless of the working directory, and it’s smaller, and you can delete the rest of that weird block