In your /etc/apt/soures.list file all references to the official Ubuntu archive have been commented out. You'll need to resolve this before trying the upgrade again. Here's part of what it looks like:
# deb http://hu.old-releases.ubuntu.com/ubuntu/ bionic multiverse # deb-src http://hu.old-releases.ubuntu.com/ubuntu/ bionic multiverse # deb http://hu.old-releases.ubuntu.com/ubuntu/ bionic-updates multiverse # deb-src http://hu.old-releases.ubuntu.com/ubuntu/ bionic-updates multiverse
In your /etc/apt/ soures. list file all references to the official Ubuntu archive have been commented out. You'll need to resolve this before trying the upgrade again. Here's part of what it looks like:
# deb http:// hu.old- releases. ubuntu. com/ubuntu/ bionic multiverse hu.old- releases. ubuntu. com/ubuntu/ bionic multiverse hu.old- releases. ubuntu. com/ubuntu/ bionic-updates multiverse hu.old- releases. ubuntu. com/ubuntu/ bionic-updates multiverse
# deb-src http://
# deb http://
# deb-src http://