I am using lenovo thinkpad 310 core i3 7th gen.
When I tried to install ubuntu this error showed up. I tried to enable sgx but I couldn’t find the option. Can anyone help me here how to fix this issue?

I boot up my Ubuntu and it gives me error (first image) then asks for credentials which after I put in, it gives me the following screen.(Second image)(https://i.sstatic.net/jt5DbSwF.jpg)](https://i.sstatic.net/jt5DbSwF.jpg)](https://i.sstatic.net/6HGkGslB.jpg)](https://i.sstatic.net/6HGkGslB.jpg)

iam trying to sudo apt update and sudo apt-get update for a few days now but it refuses and give me this error i don’t know what to do can someone help

I am new with ubuntu

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How to run exe file on ubuntu running macOS(mbp m1)?

I have a elasticsearch, I want to set process NOFILE to unlimited.
prlimit --nofile=430000:430000 --pid 3359088 worked, I can see it changed in /proc/3359088/limits, but prlimit --nofile=unlimited:unlimited --pid 3359088 failed:

i’m trying to run an app called warpd on ubuntu and getting this error, but when i try the sudo command it works, what should i do to run the app without having to sudo all the time because sudo only works in the terminal i want to run app on gui