linux4noobs

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linux4noobs

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PlutoParty@programming.dev

Way to log start up? (lemmy.dbzer0.com)

submitted 3 months ago by ArcaneSlime@lemmy.dbzer0.com to c/linux4noobs@programming.dev

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Is there a way to log all the stuff on start up to a text file so I can read it? It goes by way too fast! Mine shows some blue warnings but I can't read them.

To be clear I mean the part that explains what is starting or failing, like if you hit [ESC] during start up or don't have plymouth, not the plymouth splash screens.

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[–] Ephera@lemmy.ml 15 points 3 months ago (1 children)

If you open up a terminal and run the dmesg command, it should show up.

If you'd like it in a file, you can pipe it via standard shell features like so:

dmesg > boot.log

[–] ArcaneSlime@lemmy.dbzer0.com 3 points 3 months ago (1 children)

Thanks! Looks like this has even more info in it than the start up does for some reason, too.

[–] Ephera@lemmy.ml 5 points 3 months ago (1 children)

Ah yeah, it's all kernel messages since the start of the boot, so it won't stop at the end of the boot process, but I also imagine the boot screen (Plymouth) only shows warning and error messages.

You can filter it to only show warnings and worse with:

dmesg --level=warn+

Here's some more infos on that: https://unix.stackexchange.com/questions/390141/how-to-filter-the-dmesg-log-to-see-only-the-errors

[–] ArcaneSlime@lemmy.dbzer0.com 2 points 3 months ago

Thanks!