AWS Expert to fix performance issues on Ubuntu EC2 instance server

I have an AWS EC2 instance having Linux Ubuntu 20. It have multiple websites hosted. The server hangs everyday for sometime, then I have to reboot the instance to bring it up again. Need to fix this issue on urgent basis. There are few other tasks that will be discussed over chat.
The fix need to be implemented over screen share. Please bid only if you are fine working on screenshare.