You can download deb files on your laptop and move them to your Raspberry on a USB stick.
Or connect your RPi to your laptop (with a cat5 cable) and use "internet connection sharing" on Windows to get the Raspberry online.
Unless you are located somewhere where you're off the grid.
You will not be able to run Tizen on raspberry. It's a propritary OS.
You can create a linux image for Raspberry with something like Buildroot. It's a tool which create image with a linux kernel and an initramfs. But its not easy to create/personalise and you will need some good known about programming.
To run a script when the WiFi is connected you can use wpa_cli. In man wpa_cli you find for option -a:
Run in daemon mode executing the action file based on events from wpa_supplicant. The specified file will be executed with the first argument set to interface name and second to "CONNECTED" or "DISCONNECTED" depending on the event. This can be ...
You don't use a docker image. It's just a plain Raspbian image you use.
There is one important step you have to execute when you copied the image on the SD card: Enable ssh access. See Enable SSH on a headless Raspberry Pi
It always depends on what you put in and expect to get out. So what is your video source? Assuming a USB-Webcam as your V4L2 suggests makes it very CPU intensive. Also doing the deformation on the CPU will limit you in the resolution you can use as the amount of work scales with the pixel count.
The green field for something like that would be to stay on ...
The important messages seem to be:
nl80211: Set mode ifindex 3 iftype 3 (AP)
nl80211: Failed to set interface 3 to mode 3: -95 (Operation not supported)
nl80211: Interface mode change to 3 from 0 failed
nl80211: Could not configure driver mode
For my interpretation hostapd tries to set the interface to mode 3 (AP) that is an access point (line 1). But the ...