RaspberryPi card doesn’t have no default turn off button.
You can’t just disconnect it from power supply – it may cause problems with SD card.
Firstly you should execute command:
sudo shutdown -h now

How to safety turn off Raspberry Pi?

How to set static IP address in Raspbian?
Option 1 – set static IP address in router
Many routers have settings to assign static IP address based on MAC addres of network card.
Each router has different administration panel, so I won’t describe this option in detail.
If IP address of your local

How to check address IP of newly connected Raspberry Pi?
In this post i will show you how to check IP address of your raspberry after you connect it to network.
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How to install OS on Raspberry Pi without keyboard and screen?
What is needed?
8GB microSD recommended
Raspberry Pi device
Network cable for router connection