How To Enable Wifi Hotspot To Share Wifi in Linux Create wifi Hotspot in Ubuntu, linux )

To create a WiFi hotspot on a Linux machine to share a wireless connection on a single wireless card
Moving from a Windows environment on to a Linux the first real challenge I faced was that I need to share the internet on my laptop. But unlike with windows where it was one button to rule them all I found that setting a WiFi hotspot on a Linux system was a bit more tedious affair.
For Starters, I looked at online solutions and found out the hard way that most of the implementations were either to share an Ethernet network using a wireless card or a set up using two wireless cards

You can use your Linux desktop to share your wired Internet connection wirelessly, by creating a Wi-Fi hotspot. This allows your computer to act like a wireless router, allowing other devices to connect to the Internet via its Wi-Fi.

Note that using these instructions you will NOT be able to use the same wireless network to both connect to the Internet and create a hotspot. Your need a wired Internet connection and an unused Wi-Fi on the same machine.

This articles shows how to create an a Wi-Fi hotspot on the Ubuntu 20.04 Gnome desktop, and how to edit its settings (change the password, SSID, etc.), a feature that’s hidden from the settings and menu. The hotspot uses infrastructure mode (the Wi-Fi mode will be set to “Hotspot”) by default, which allows sharing the Internet connection with Android devices

Creating a wifi hotspot on Linux is fairly easy. To start off, find the network icon in the panel on your PC. Find “edit connections”, or “wireless settings”, or something similar. The main goal is to get the network tool open where the system lets the user modify all of the network connections, ipv4/ipv6 settings and etc.

Keep in mind that though most (if not all) desktop environments use Network Manage and the NM applet for connections. The way it is put to use differs which is why we’re going to go over how to set up a hotspot network connection under the different types of Network Manager applets and tools.

Note: for a Wifi hotspot to work, you’ll need to disconnect from your current wireless access point, and use ethernet to share internet. The hotspot/access point setting in Network Manager on Linux should automatically share your wired internet over the access point.

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