https://www.the-lazy-dev.com/en/fail2ban-client-show-banned-ips/

editamos o ficheiro /etc/mdadm/mdadm.conf e a seguir ao texto MAILADDR colocamos o endereço de e-mail pretendido.
finalmente reiniciamos o serviço:
systemctl status mdmonitor.service

https://www.howtoforge.com/how-to-configure-software-raid-to-send-an-em…

auto lo
iface lo inet loopback

# eno1 is my physical network adapter name.
# Change 'eno1' *everywhere* in this file for your adapter name.
auto eno1
iface eno1 inet manual
post-up echo 1 > /proc/sys/net/ipv4/conf/eno1/proxy_arp

Regulamento - https://www.fundoambiental.pt/avisos-2020/mitigacao-das-alteracoes-clim…

sudo lsusb -vvv |grep -i -B5 -A5 bcdUSB

https://askubuntu.com/questions/162434/how-do-i-find-out-usb-speed-from…

lsusb -t

https://unix.stackexchange.com/questions/2082/is-my-usb-2-0-device-runn…

https://pve.proxmox.com/wiki/VM_Templates_and_Clones

https://unix.stackexchange.com/questions/108169/what-is-the-difference-…

https://superuser.com/a/1245328

signon.includeOtherSubdomainsInLookup
https://support.mozilla.org/en-US/questions/1278507#answer-1285446

aviso de segurança em ligações http:
security.insecure_field_warning.contextual.enabled

desativar palavras-passe geradas automaticamente
signon.generation.enabled

https://ipvm.com/reports/free-vms-software-directory

https://mywiki.wooledge.org/BashFAQ/073