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20230620203156.md
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20230620203156.md
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## ZBS243 electronic shelf label
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### ref
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- https://github.com/jjwbruijn/OpenEPaperLink
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- https://github.com/atc1441/ZBS_Flasher3
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## hardware
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1. ESP32 + ≥ 4Mb PSRAM
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2. ELS ZBS243 as 802.15.4 modem connected to the ESP32
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3. multiple ELSs with flashed firmware
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@ -15,6 +15,9 @@ journalctl --disk-usage && journalctl --vacuum-size={size}M
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```
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```
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or prepare the file`/etc/systemd/journald.conf` and this value:`SystemMaxUse=50M`
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or prepare the file`/etc/systemd/journald.conf` and this value:`SystemMaxUse=50M`
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#### update AUR packages after library change
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`yay -S $(pacman -Qoq /usr/lib/python3.9) --answerclean All`
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## archinstall
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## archinstall
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#### preinstalled software
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#### preinstalled software
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```
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```
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@ -55,11 +58,11 @@ sudo mkinitcpio -p linux
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- reboot the system to check if anything is broken
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- reboot the system to check if anything is broken
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- add secureboot https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot#Implementing_Secure_Boot
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- add secureboot https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot#Implementing_Secure_Boot
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- systemd-enroll tpm2
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- systemd-enroll tpm2
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- WARNING! do not delete slo0
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- WARNING! do not delete slot0
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- call `systemd-cryptenroll --tpm2-device=auto --tpm2-with-pin=yes /dev/nvme0n1p2`
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- call `systemd-cryptenroll --tpm2-device=auto --tpm2-with-pin=yes /dev/nvme0n1p2`
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- add to cmdline `rd.luks.options=tpm2-device=auto,tpm2-pin=yes`
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- add to cmdline `rd.luks.options=tpm2-device=auto,tpm2-pin=yes`
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- regenerate unified kernel image `mkinitcpio -p linux`
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- regenerate unified kernel image `mkinitcpio -p linux`
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- check `sbctl verify` and resign
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- check `sbctl verify` and resign `sbctl sign -s/boot/EFI/....`
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- reboot and pray
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- reboot and pray
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- enable pcsc.socket
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- enable pcsc.socket
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@ -15,4 +15,70 @@ My own system: https://linux-hardware.org/?probe=6dfbd97685
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1. keyboard backlight https://wiki.archlinux.org/title/Keyboard_backlight#On_GNOME
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1. keyboard backlight https://wiki.archlinux.org/title/Keyboard_backlight#On_GNOME
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2. keyboard FN keys
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2. keyboard FN keys
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3. bluetooth daemon disabled by default
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3. bluetooth daemon disabled by default
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4. touchscreen not detected - suddenly then it appears - and again gone
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4. touchscreen not detected - suddenly then it appears - and again gone It's a bug: The Touchscreen is labelled as Smartcard, not as something related.
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##### fwupdmgr
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there is a security overview, but however:
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```
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fwupdmgr security --show-all
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Not enough data was provided by the platform to make an HSI calculation.
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» https://fwupd.github.io/hsi.html#not-enough-info
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```
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It is mostly a problem for the mainboard vendor. However they need to recompile the UEFI. Some rumours say that this is only possible on amd with ryzen 6000 and onwards.
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```
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dmesg | grep -i -e DMAR -e psp -e IOMMU
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[ 0.435340] iommu: Default domain type: Translated
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[ 0.435340] iommu: DMA domain TLB invalidation policy: lazy mode
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[ 0.456937] pci 0000:00:00.2: AMD-Vi: IOMMU performance counters supported
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[ 0.456979] pci 0000:00:01.0: Adding to iommu group 0
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[ 0.456999] pci 0000:00:02.0: Adding to iommu group 1
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[ 0.457006] pci 0000:00:02.1: Adding to iommu group 2
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[ 0.457014] pci 0000:00:02.3: Adding to iommu group 3
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[ 0.457021] pci 0000:00:02.4: Adding to iommu group 4
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[ 0.457028] pci 0000:00:02.6: Adding to iommu group 5
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[ 0.457038] pci 0000:00:08.0: Adding to iommu group 6
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[ 0.457045] pci 0000:00:08.1: Adding to iommu group 7
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[ 0.457055] pci 0000:00:14.0: Adding to iommu group 8
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[ 0.457060] pci 0000:00:14.3: Adding to iommu group 8
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[ 0.457079] pci 0000:00:18.0: Adding to iommu group 9
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[ 0.457086] pci 0000:00:18.1: Adding to iommu group 9
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[ 0.457092] pci 0000:00:18.2: Adding to iommu group 9
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[ 0.457098] pci 0000:00:18.3: Adding to iommu group 9
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[ 0.457104] pci 0000:00:18.4: Adding to iommu group 9
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[ 0.457110] pci 0000:00:18.5: Adding to iommu group 9
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[ 0.457116] pci 0000:00:18.6: Adding to iommu group 9
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[ 0.457122] pci 0000:00:18.7: Adding to iommu group 9
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[ 0.457129] pci 0000:01:00.0: Adding to iommu group 10
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[ 0.457141] pci 0000:03:00.0: Adding to iommu group 11
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[ 0.457149] pci 0000:04:00.0: Adding to iommu group 12
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[ 0.457156] pci 0000:06:00.0: Adding to iommu group 13
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[ 0.457175] pci 0000:07:00.0: Adding to iommu group 14
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[ 0.457183] pci 0000:07:00.1: Adding to iommu group 15
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[ 0.457192] pci 0000:07:00.2: Adding to iommu group 16
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[ 0.457200] pci 0000:07:00.3: Adding to iommu group 17
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[ 0.457207] pci 0000:07:00.4: Adding to iommu group 18
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[ 0.457216] pci 0000:07:00.5: Adding to iommu group 19
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[ 0.457224] pci 0000:07:00.6: Adding to iommu group 20
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[ 0.457232] pci 0000:07:00.7: Adding to iommu group 21
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[ 0.458758] pci 0000:00:00.2: AMD-Vi: Found IOMMU cap 0x40
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[ 0.470476] perf/amd_iommu: Detected AMD IOMMU #0 (2 banks, 4 counters/bank).
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[ 0.505045] AMD-Vi: AMD IOMMUv2 loaded and initialized
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[ 0.797460] ccp 0000:07:00.2: psp enabled
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[ 13.321751] [drm] add ip block number 3 <psp>
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[ 13.370488] [drm] Loading DMUB firmware via PSP: version=0x01010024
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[ 13.371020] amdgpu 0000:07:00.0: amdgpu: Will use PSP to load VCN firmware
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[ 14.100023] [drm] reserve 0x400000 from 0xf43f800000 for PSP TMR
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[ 4850.068564] [drm] PSP is resuming...
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[ 4850.798318] [drm] reserve 0x400000 from 0xf43f800000 for PSP TMR
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[ 4855.002274] pci 0000:03:00.1: Adding to iommu group 11
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[ 4855.002614] pci 0000:03:00.2: Adding to iommu group 11
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[ 4855.002904] pci 0000:03:00.3: Adding to iommu group 11
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[ 4855.003219] pci 0000:03:00.4: Adding to iommu group 11
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dmesg | grep -i ccp
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[ 0.786786] ccp 0000:07:00.2: enabling device (0000 -> 0002)
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[ 0.787316] ccp 0000:07:00.2: ccp: unable to access the device: you might be running a broken BIOS.
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[ 0.797456] ccp 0000:07:00.2: tee enabled
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[ 0.797460] ccp 0000:07:00.2: psp enabled
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```
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6
outdoor-things.md
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6
outdoor-things.md
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## Outdoor
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### emergency tracking aka Personal Locator Beacon PLB
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use the 406MHz MEOSAR service or GPS SAR service
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- ACR ResQLink View Modell PLB-4XX
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- motorola defy satellite link
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