Ubuntu Error: E: “cdrom://Ubuntu 18.04.5 LTS _Bionic Beaver_ – Release amd64 (20200806.1) bionic Release” E: “http://ppa.launchpad.net/zarquon42/meshlab/ubuntu bionic Release”

An error is reported as shown in the figure

First error

At this point we type: cd /etc/apt
Then we type: sudo gedit sources.list
At this point we comment out the beginning of
deb cdrom.......
At this point we then do:sudo apt-get update

Second error

Open “software and update”, find the error source in other software and delete it. Finally, in sudo apt get update

Similar Posts: