https://zercle.tech/2019/03/kernel-tuning-for-linux-server/

#!/usr/bin/env bash

killall -9 corosync
systemctl restart pve-cluster
systemctl restart pvedaemon
systemctl restart pveproxy
systemctl restart pvestatd
systemctl restart corosync

https://gist.github.com/bouroo/c97d2c316097f05d886fd5454b7a618d

https://www.howtogeek.com/449691/what-is-swapiness-on-linux-and-how-to-…

https://jitsi.org/security/

este é um exemplo do erro completo:

Jan 19 20:05:00 debian ntfs-3g[3959]: ntfs_attr_pread error reading '/Luís Miranda HP/Ambiente de trabalho/bck/Utilizador/Downloads/SKMBT_C224e18042519030.pdf' at offset 0: 4096 <> -1: Permissão negada

https://www.open.edu/openlearncreate/mod/oucontent/view.php?id=52747

Tools - Options - LibreOffice Writer - General

https://help.libreoffice.org/3.3/Common/Conversion_of_measurement_units

para transformar em linha e carateres no mesmo menu selecionar a opção Ativar a unidade de caráter

https://unix.stackexchange.com/questions/236127/acpi-wakeup-4-letters-c…

problema da máquina acordar logo a seguir a suspender:
echo EHC1 > /proc/acpi/wakeup
echo EHC2 > /proc/acpi/wakeup
echo XHCI > /proc/acpi/wakeup

cat /proc/acpi/wakeup

https://wiki.archlinux.org/index.php/Power_management/Suspend_and_hiber…

https://www.jlcarneiro.com/precisao-versus-exatidao/