Unable to fetch some archives, maybe run apt-get update or try with --fix-missing

오류 현상 :

Ubunto 20.04 LTS에서 apt install 도중 다음 에러 발생

Unable to fetch some archives, maybe run apt-get update or try with --fix-missing

 

해결책 : 

Try removing content of /var/lib/apt/lists directory:

sudo rm -rf /var/lib/apt/lists/*

then run this:

sudo apt-get update

 

OR
Try this:

sudo apt-get clean

sudo apt-get update