https://askubuntu.com/a/1371346

https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2451

aplicar o patch no debian:
apt source claws-mail-multi-notifier
cd claws-mail-3.17.8

descarregar o patch e colocar na pasta. depois:
patch -p1 < 0001-Notify-on-unread-messages-also-in-the-systray.patch
dch -n "Aplicar o patch de https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2451"
dpkg-buildpackage -us -uc

https://docs.moodle.org/402/en/Quiz_statistics_report
https://docs.moodle.org/dev/Quiz_report_statistics

apt install s-tui stress
s-tui

https://itsfoss.com/stress-test-cpu-linux/

isto só acontece quando tentamos abrir uma janela de uma vm a partir do interface web de um host distinto daquele onde a vm corre:

LC_PVE_TICKET not set, VNC proxy without password is forbidden
TASK ERROR: Failed to run vncproxy.

temos que verificar se a linha SendEnv LANG LC_* está ativa em /etc/ssh/ssh_config e /etc/ssh/sshd_config.

https://blog.henrici.name/blog/2021-07-06/

zpool create -o ashift=12 -o autotrim=on -O encryption=on -O keylocation=prompt -O keyformat=passphrase -O acltype=posixacl -O xattr=sa -O dnodesize=auto -O compression=lz4 -O normalization=formD -O relatime=on speedados mirror /dev/disk/by-id/nvme-eui.002538b131bc0218 /dev/disk/by-id/nvme-eui.002538b131bc01ea

touch /etc/zfs/zfs-list.cache/speedados
zfs set canmount=off rpool/home
zfs set canmount=on rpool/home

https://github.com/carmaa/inception

$ nvidia-settings --load-config-only --assign="SyncToVBlank=0" # disable vertical sync
$ glxgears # test it out
$ nvidia-settings --load-config-only # restore your original vertical sync setting

https://stackoverflow.com/a/18062444

zfs snapshot bpool/BOOT/debian@proxmox_signed_memtes86
zfs snapshot rpool/ROOT/debian@proxmox_signed_memtes86