What is the difference between static, dynamic and manual. what are the settings required to connect using WiFi and Ethernet in raspbian? Please tell in details.


iface eth0 inet static: you can setup static IP

iface eth0 inet manual: create a network interface without an IP address.

For more information read this

If you want to manage network configuration, you have to know that you have dhcpcd service active and so you have to manage two separate files:

/etc/dhcpcd.conf and /etc/network/interfaces

if your purpose is manage ip on certain network, you have only to modify the first one like this:

interface eth0
static ip_address=
static routers=
static domain_name_addresses=

and so you have just setup static ip on wired connection

Setup WiFi

Add network info on sudo nano /etc/wpa_supplicant/wpa_supplicant.conf:


Add static ip on WiFi network `sudo nano /etc/dhcpcd.conf:

interface wlan0
static ip_address=
static routers=
static domain_name_servers=

So basically leave with no change /etc/network/interfaces file and manage only /etc/dhcpcd.conf if you want to setup static IP on wired or WiFi network, add your network credential on /etc/wpa_supplicant/wpa_supplicant.conf if you need to connect via WiFi.

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