Update error [Solved]

[DeJay]

Gatting this update error (KDE desktop if it helps). I KNOW it's Brave browser. I installed Brave to try, didn't need it and uninstalled it, next update this message appeared;

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0686B78420038257
E: https://brave-browser-apt-release.s3.brave.com stable InRelease is not (yet) available (The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0686B78420038257)

I reinstalled Brave, allowed it to update and got no error, I allowed it to update the next couple of times and uninstalled it again. Got the message at the next update. Apart from keeping Brave installed, any ideas of how this can be correcred please?

[Eadwine Rose]

With all help requests, please share your full Quick System Info, found in the menu. Press the Copy for forum button, then click paste in a reply.. thanks.

[DeJay]

Righto!

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System:
  Kernel: 6.1.0-10-amd64 [6.1.38-2] arch: x86_64 bits: 64 compiler: gcc v: 12.2.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.1.0-10-amd64 root=UUID=<filter> ro quiet splash
  Desktop: KDE Plasma v: 5.27.5 wm: kwin_x11 vt: 7 dm: SDDM Distro: MX-23.3_KDE_x64 Libretto
    July 31 2023 base: Debian GNU/Linux 12 (bookworm)
Machine:
  Type: Laptop System: Entroware product: Proteus EL07R7 v: A1 serial: <superuser required>
    Chassis: type: 10 serial: <superuser required>
  Mobo: Entroware model: Proteus EL07R7 v: A1 serial: <superuser required> UEFI: INSYDE
    v: 1.07.08ENW0 date: 09/19/2023
Battery:
  ID-1: BAT0 charge: 73.9 Wh (100.0%) condition: 73.9/73.9 Wh (100.0%) volts: 8.5 min: 7.7
    model: Notebook BAT type: Li-ion serial: <filter> status: full
  Device-1: hidpp_battery_0 model: Logitech Wireless Mouse serial: <filter>
    charge: 55% (should be ignored) rechargeable: yes status: discharging
CPU:
  Info: model: 13th Gen Intel Core i7-1360P bits: 64 type: MST AMCP arch: Raptor Lake level: v3
    note: check built: 2022+ process: Intel 7 (10nm) family: 6 model-id: 0xBA (186) stepping: 2
    microcode: 0x411C
  Topology: cpus: 1x cores: 12 mt: 4 tpc: 2 st: 8 threads: 16 smt: enabled cache: L1: 1.1 MiB
    desc: d-8x32 KiB, 4x48 KiB; i-4x32 KiB, 8x64 KiB L2: 9 MiB desc: 4x1.2 MiB, 2x2 MiB L3: 18 MiB
    desc: 1x18 MiB
  Speed (MHz): avg: 2363 high: 2600 min/max: 400/5000:3700 scaling: driver: intel_pstate
    governor: powersave cores: 1: 608 2: 2600 3: 2600 4: 2600 5: 2600 6: 2600 7: 2600 8: 2600 9: 2600
    10: 2600 11: 2600 12: 806 13: 2600 14: 2600 15: 2600 16: 2600 bogomips: 83558
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: retbleed status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Enhanced IBRS, IBPB: conditional, RSB filling, PBRSB-eIBRS: SW
    sequence
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel Raptor Lake-P [Iris Xe Graphics] vendor: CLEVO/KAPOK driver: i915 v: kernel
    arch: Gen-13 process: Intel 7 (10nm) built: 2022+ ports: active: eDP-1 empty: DP-1, DP-2, DP-3,
    DP-4, HDMI-A-1 bus-ID: 00:02.0 chip-ID: 8086:a7a0 class-ID: 0300
  Device-2: Chicony USB2.0 Camera type: USB driver: uvcvideo bus-ID: 1-7:3 chip-ID: 04f2:b6f9
    class-ID: 0e02 serial: <filter>
  Display: x11 server: X.Org v: 1.21.1.7 with: Xwayland v: 22.1.9 compositor: kwin_x11 driver: X:
    loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915 display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
  Monitor-1: eDP-1 model: BOE Display 0x0984 built: 2020 res: 1920x1080 hz: 60 dpi: 142
    gamma: 1.2 size: 344x194mm (13.54x7.64") diag: 395mm (15.5") ratio: 16:9 modes: 1920x1080
  API: OpenGL v: 4.6 Mesa 23.1.2-1~mx23ahs renderer: Mesa Intel Graphics (RPL-P)
    direct-render: Yes
Audio:
  Device-1: Intel vendor: CLEVO/KAPOK driver: snd_hda_intel v: kernel
    alternate: snd_sof_pci_intel_tgl bus-ID: 00:1f.3 chip-ID: 8086:51ca class-ID: 0403
  API: ALSA v: k6.1.0-10-amd64 status: kernel-api tools: alsamixer,amixer
  Server-1: PipeWire v: 1.0.0 status: active with: 1: pipewire-pulse status: active
    2: wireplumber status: active 3: pipewire-alsa type: plugin 4: pw-jack type: plugin
    tools: pactl,pw-cat,pw-cli,wpctl
Network:
  Device-1: Intel driver: iwlwifi v: kernel modules: wl port: N/A bus-ID: 00:14.3
    chip-ID: 8086:51f1 class-ID: 0280
  IF: wlan0 state: up mac: <filter>
  Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: CLEVO/KAPOK
    driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 port: 3000 bus-ID: 2d:00.0
    chip-ID: 10ec:8168 class-ID: 0200
  IF: eth0 state: down mac: <filter>
Bluetooth:
  Device-1: Intel AX201 Bluetooth type: USB driver: btusb v: 0.8 bus-ID: 1-10:4 chip-ID: 8087:0026
    class-ID: e001
  Report: hciconfig ID: hci0 rfk-id: 0 state: down bt-service: N/A rfk-block: hardware: no
    software: no address: <filter>
  Info: acl-mtu: 1021:4 sco-mtu: 96:6 link-policy: rswitch sniff link-mode: peripheral accept
Drives:
  Local Storage: total: 931.51 GiB used: 144.21 GiB (15.5%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Crucial model: CT1000P3PSSD8 size: 931.51 GiB
    block-size: physical: 512 B logical: 512 B speed: 63.2 Gb/s lanes: 4 type: SSD serial: <filter>
    rev: P9CR40A temp: 30.9 C scheme: GPT
Partition:
  ID-1: / raw-size: 98 GiB size: 95.91 GiB (97.86%) used: 18.66 GiB (19.5%) fs: ext4
    dev: /dev/nvme0n1p2 maj-min: 259:2
  ID-2: /boot/efi raw-size: 512 MiB size: 511 MiB (99.80%) used: 288 KiB (0.1%) fs: vfat
    dev: /dev/nvme0n1p1 maj-min: 259:1
  ID-3: /home raw-size: 833.01 GiB size: 818.86 GiB (98.30%) used: 125.55 GiB (15.3%) fs: ext4
    dev: /dev/nvme0n1p3 maj-min: 259:3
Swap:
  Kernel: swappiness: 15 (default 60) cache-pressure: 100 (default)
  ID-1: swap-1 type: file size: 4 GiB used: 0 KiB (0.0%) priority: -2 file: /swap/swap
Sensors:
  System Temperatures: cpu: 43.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Repos:
  Packages: 2663 pm: dpkg pkgs: 2654 libs: 1429 tools: apt,apt-get,aptitude,nala,synaptic pm: rpm
    pkgs: 0 pm: flatpak pkgs: 9
  No active apt repos in: /etc/apt/sources.list
  Active apt repos in: /etc/apt/sources.list.d/brave-browser-release.list
    1: deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main
  Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list
    1: deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
  Active apt repos in: /etc/apt/sources.list.d/debian.list
    1: deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
    2: deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
  Active apt repos in: /etc/apt/sources.list.d/mx.list
    1: deb http://nl.mxrepo.com/mx/repo/ bookworm main non-free
    2: deb http://nl.mxrepo.com/mx/repo/ bookworm ahs
  No active apt repos in: /etc/apt/sources.list.d/protonvpn-stable.list
Info:
  Processes: 300 Uptime: 1h 46m wakeups: 2020 Memory: 15.33 GiB used: 2.47 GiB (16.1%)
  Init: SysVinit v: 3.06 runlevel: 5 default: graphical tool: systemctl Compilers: gcc: 12.2.0
  alt: 12 Client: shell wrapper v: 5.2.15-release inxi: 3.3.26
Boot Mode: UEFI

[j2mcgreg]

I noticed a couple of things in your QSI:
-- you should be using the AHS (Advanced Hardware Systems) version of MX with a machine that new. Use Repo Manager --> Individual Sources tab, to enable the AHS repo and then run any updates that become available.
-- again, because your laptop is still fairly new, I think that you should use MXPI to install one of the Liquorix kernels available. You may have to experiment a bit to get the best fit and either the 6.5.xxx or 6.6.xxx would be a good starting point. The default Debian 6.xxx.xxx kernels have proven to be a bit buggy with late model computers.

[fehlix]

Gatting this update error (KDE desktop if it helps). I KNOW it's Brave browser. I installed Brave to try, didn't need it and uninstalled it, next update this message appeared;

Try this:
Open terminal as normal user and run:
First purge . in case some conf-file left:

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sudo apt purge brave-browser 

and

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sudo apt purge brave-keyring

followed by

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sudo rm /etc/apt/sources.list.d/brave-browser-release.list 

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sudo apt update

That should fix the issue.

[DeJay]

I noticed a couple of things in your QSI:
-- you should be using the AHS (Advanced Hardware Systems) version of MX with a machine that new.

I was led to believe that KDE is already AHS enabled. In any case, it has been working perfectly well apart from a couple of minor update issues, since November last year. So it stays as it is. I am a firm believer in "if it ain't bust, don't fix it".

Thank you both. I will mark the thread as solved, assuming it is, after the next update.