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
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…
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
ffmpeg -y -i file.dav -vcodec libx264 -crf 24 file.mp4
https://gist.github.com/jdye64/ca07e01ff3d8e93210c3
para converter todos os ficheiros numa pasta:
for i in *.dav; do ffmpeg -y -i "$i" -vcodec libx264 -crf 24 "${i%.*}.mp4"; done
https://stackoverflow.com/a/33766147
ou talvez melhor:
for i in *.dav; do ffmpeg -y -i "$i" -c:v libx265 -crf 26 -preset fast "${i%.*}.mp4"; done
um bom artigo sobre a otimização dum dataset para a utilização do mysql: https://www.percona.com/blog/2017/12/07/hands-look-zfs-with-mysql/
outro: https://shatteredsilicon.net/blog/2020/06/05/mysql-mariadb-innodb-on-zf…