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How-to Install ZeroTier on Raspberry Pi

Tested with RPi 3B+, Raspberry Pi OS Buster

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1. Run the shell command under their download page (the more secure, GPG option is recommended).
2. To ensure ZeroTier starts on system boot, run sudo systemctl enable zerotier-one
3. Check if everything is working by running sudo zerotier-cli status; > it should return 200 info [ID] [version] ONLINE if all is fine

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Fixing Error with a Mac FaceTime Camera

“There is no connected camera” problem

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Solution 1

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What is a Cron Job?

Cron is a utility program for repeating tasks at a later time. Giving a command that schedules a task, at a specific time, repeatedly is a cron job.

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to edit a crontab file of the current user, type the following command in the terminal:

crontab -e

to remove the current crontab file of the current user, type the following command:

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Apple removed TNT’s certificate, so the app will crash after July 12th. The current solution is to sign it yourself.

Run in Terminal

codesign --force --deep --sign - /Applications/name.app

if Permission denied don't forget to add sudo

example:

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Setting up preferred network a Raspberry Pi headless

This method is suitable if you don't have access to the graphical user interface normally used to set up WiFi on the Raspberry Pi.

Note also that no additional software is required; everything you need is already included on the Raspberry Pi.

Setting up wireless networking

You will need to define a wpa_supplicant.conf
Put this file in the boot Volumes

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Fix damaged app message on macOS sierra or later

you might have to completely disable Gatekeeper checks, and to do that open your terminal and type:

sudo spctl --master-disable

Enter your password and you’re done. Note that there are two (2) dashes before master. You might miss that while copy/pasting.

To verify that your operation was successful you need to open System Preferences and verify that the Anywhere option is now visible. system preferences > security & privacy

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(debian 10 buster)

First, it seems that ~/.config/lxsession/LXDE-pi/autostart does not exist by default.

1. copy the autostart

cp /etc/xdg/lxsession/LXDE-pi/autostart ~/.config/lxsession/LXDE-pi/