Vijay Prema vijay-prema

docker kill $(docker ps -q) to kill all running containers
docker rm $(docker ps -a -q) to delete all stopped containers.
docker volume rm $(docker volume ls -q) to delete all volumes.
docker rmi $(docker images -q) to delete all images.

Run all commands:

docker kill $(docker ps -q) && docker rm $(docker ps -a -q) && docker volume rm $(docker volume ls -q) && docker rmi $(docker images -q)

For fish shell, remove the $:

Hiking DDS238-2 ZN/S energy meter

Document included in the project https://github.com/fawno/Modbus

https://github.com/fawno/Modbus/blob/master/DDS238-2%20ZN-S%20Modbus.md

Modbus holding registers:

Register(s)	Meaning	Scale Unit	Data format	R/W

Guides:

cryptsetup luksOpen /dev/sdb3 home_sdb3
vgchange -ay
lvscan

	# You need to have the 'requests' module installed, see here: https://pypi.org/project/requests/
	import requests

	# Note regarding 2FA
	# You can either disable 'Enforce 2FA' setting and disable '2FA'. Then you can just use your regular user password.
	# Or you can just use an app password, e.g. named 'migration' which you can create in 'Personal settings' --> 'Security'. After successful migration you can delete the app password.
	urlFrom = 'https://nextcloud.domainfrom.tld'
	authFrom = ('username', 'user password or app password')

	urlTo = 'https://nextcloud.domainto.tld'

	# Use systemd for managing NVIDIA driver suspend in drivers ====>>> PRIOR to version 470 <<<=====
	# https://download.nvidia.com/XFree86/Linux-x86_64/450.66/README/powermanagement.html
	# https://forums.developer.nvidia.com/t/unable-to-set-nvidia-kernel-module-parameters/161306
	# Please note: In Fedora Linux you may need to just install the xorg-x11-drv-nvidia-power pakage
	# as sugested by @goombah88 in the comments below.

	TMP_PATH=/var/tmp
	TMPL_PATH=/usr/share/doc/nvidia-driver-460/

	echo "options nvidia NVreg_PreserveVideoMemoryAllocations=1 NVreg_TemporaryFilePath=${TMP_PATH}" \| sudo tee /etc/modprobe.d/nvidia-power-management.conf

	# Install Ubiquiti Unifi Controller on Ubuntu 20.04.
	# As tested on a fresh install of ubuntu-20.04.1-live-server, August 22nd 2020.
	# Thanks to https://gist.github.com/tmuncks for posting the updated install steps.

	sudo apt update
	sudo apt install --yes apt-transport-https

	echo 'deb https://www.ui.com/downloads/unifi/debian stable ubiquiti' \| sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list
	sudo wget -O /etc/apt/trusted.gpg.d/unifi-repo.gpg https://dl.ui.com/unifi/unifi-repo.gpg