arch

https://discuss.cachyos.org/t/aur-compromised-almost-2000-packages-affe…

cfFilterChain: pdftopdf (PID 7569) stopped with status 1

https://forum.endeavouros.com/t/brother-mfc-j3939dw-printer-issue-in-en…

como compilar o módulo mtk_t7xx com o dkms:
começar por fazer o download do módulo em https://github.com/someoneelse131/mtk-t7xx-fix;
descomprimir e alterar o nome da diretoria para mtk_t7xx-1.1.3;
mover a diretoria para /usr/src/;
editar o ficheiro dkms.conf dentro de /usr/src/mtk_t7xx-1.1.3 com os seguintes dados:

sudo cp /usr/lib/systemd/system/systemd-suspend.service /usr/lib/systemd/system/systemd-suspend.serviceORG
sudo rm /usr/lib/systemd/system/systemd-suspend.service
sudo ln -s /usr/lib/systemd/system/systemd-suspend-then-hibernate.service /usr/lib/systemd/system/systemd-suspend.service

https://bbs.archlinux.org/viewtopic.php?id=257645

sudo mmcli -v -m 1 --set-primary-sim-slot=1

[09 ago 2026, 03:33:18] [Debug] ModemManager process found at ':1.211'
[09 ago 2026, 03:33:18] [Debug] Assuming '1' is the modem index
[09 ago 2026, 03:33:18] [Debug] Modem found at '/org/freedesktop/ModemManager1/Modem/1'

successfully requested primary SIM switch in modem

https://lists.freedesktop.org/archives/modemmanager-devel/2021-April/00…

https://averagelinuxuser.com/clean-arch-linux/#4-remove-old-config-files