Deleted repo still in system and makes me unable to update


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Sep 12, 2019
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Hi all, this is my first post here, i work with rocky and debian linux mostly. Yet untill now i have ran into a very annoying issue with my sources/repo list.

Hit:1 bookworm-backports InRelease
Hit:2 bookworm-security InRelease
Hit:3 trixie-security InRelease
Hit:4 bookworm InRelease
Ign:5 bookworm-security InRelease
Hit:6 bookworm-updates InRelease
Err:7 bookworm-security Release
404 Not Found [IP: 2001:1af8:4700:b210::33 80]
Hit:8 bookworm-security InRelease
Hit:9 InRelease
Hit:10 trixie InRelease
Hit:11 trixie-updates InRelease
Hit:12 trixie-proposed-updates InRelease
Reading package lists... Done
E: The repository ' bookworm-security Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

I deleted bookworm-security from my sources.list, sources.list.d and

Even when i check in de GUI software settings it is nowhere to be found yet it makes it unable to run apt update, Yet apt-upgrade still works fine.

I really hope someone here can shed some light on this cause it is really getting on my nerves.

Thank you up front!!!!

I see you have bookworm and trixie mixed this can end in problems in past.
When i apt-upgraded yesterday i got the message “oh o something went wrong contact sys admin” so i booted into recovery mode with root and ran apt-get dist-upgrade. So yeah now im running trixie unstable. Im am
considering backing my files up to my server that runs on bookworm. And just reinistalling bookworm clean.

Laptop that i am using is:

Dell Latitude 5420 14"
  • 3 GHz Intel Core i7 4-Core (11th Gen)
  • 16GB of DDR4 RAM | 256GB M.2 SSD.
  • 14" 1920 x 1080 IPS Display.
  • Integrated Intel Iris Xe Graphics.
  • MicroSD Card Reader.
  • Thunderbolt 4 | USB 3.2 Gen 1 | HDMI 2.0.
  • Wi-Fi 6 (802.11ax) | Bluetooth 5.1.
  • Gigabit Ethernet Port.

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