user

You can, but you really shouldn’t.

https://grapheneos.org/faq#default-connections

On self-hosting: You’d have to modify the source code and then build the OS yourself(which a lot of people do).

https://grapheneos.org/articles/grapheneos-servers

https://grapheneos.org/faq

“By default, GrapheneOS only makes remote connections to GrapheneOS services and the network provided DNS resolvers”

Here are a couple of videos that try to explain it a little easier.

Video 1

Video 2

Would rsync corrupt the backup if the main file gets corrupted (seeing as this would be a change) ?

Give DivestOS a look, it tries to make LineageOS a more secure OS.

LineageOS

doesn’t

have

good

security.

EDIT: Better formatting

F-Droid has a lot of security issues(if you care about security), use Neo Store if you want access to F-Droid apps with a more secure app.

EDIT: Even better to use Obtainium and add the links of the APP’s own Github/GitLab repo to it.

It appears that Evince(Gnome’s PDF reader) does not support loading additional content.

Source

EDIT: I’d still open any suspicious PDF in a VM though.