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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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let activities = [
    ['Work', 9],
    ['Eat', 1],
    ['Commute', 2],
    ['Play Game', 1],
    ['Sleep', 7]
];

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let activities = ['Makan', 'Kerja', 'Main game', 'Tidur];

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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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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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How to prevent / stop Chromium Extension to auto update

Im Using Raspberry Pi 3B+ with Raspbian Buster (Debian version: 10)

You can do this by editing chromium profile preferences file:

1. On Terminal: ${HOME}/.config/chromium/Profile 3/Preferences

cd ~/.config/chromium/Profile\ 3/

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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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xdotool - command-line X11 automation tool

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A macro mouse and keyboard for raspberry pi

xdotool lets you programatically (or manually) simulate keyboard input and mouse activity, move and resize windows, etc. It does this using X11's XTEST extension and other Xlib functions.

how to install

in terminal:

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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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FortiClient "No updates found" error

I tried to reinstall FortiClient VPN for MacOS from beginning using FortiClientVPNOnlineInstaller_7.0 but the system said No updates found

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Remove the following directories on your Mac:

sudo rm -rf /Library/Application Support/Fortinet