This is the error that I get after executing sudo apt-get update && apt-get install -y
Hit:1 http://ir.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://ir.archive.ubuntu.com/ubuntu focal-updates InRelease
Get:3 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:4 http://ir.archive.ubuntu.com/ubuntu focal-backports InRelease [108 kB]
Hit:5 https://repo.steampowered.com/steam stable InRelease
Get:6 http://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]
Fetched 224 kB in 20s (11.0 kB/s)
Reading package lists... Done
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13:Permission denied)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?