query: ubuntu 20.04 can't install PacketTracert 7.3
positive_passages.docid: 16840
positive_passages.text: Unable to install Cisco Packet Tracer 7.3 on Ubuntu 20.04
negative_passages.docid: 11671
negative_passages.text: "Unable to locate package" while trying to install packages with APT
negative_passages.docid: 112955
negative_passages.text: How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
negative_passages.docid: 89366
negative_passages.text: Which package version am I using?
negative_passages.docid: 3523
negative_passages.text: What does "Package  has no installation candidate" mean?
negative_passages.docid: 6851
negative_passages.text: How do I install the ubuntu-restricted-extras package?
negative_passages.docid: 155918
negative_passages.text: What information do I need to solve an APT dependency issue?
negative_passages.docid: 39729
negative_passages.text: Unable to Install Viber due to missing libssl1.0.0 package
negative_passages.docid: 125645
negative_passages.text: Ubuntu 12.04 APT Proxy?
negative_passages.docid: 82481
negative_passages.text: How do you install python3.7 to ubuntu 20.04?
negative_passages.docid: 136683
negative_passages.text: Rogue DHCP Server Can't be found
negative_passages.docid: 16186
negative_passages.text: Requires installation of untrusted packages?
negative_passages.docid: 98545
negative_passages.text: Unable to locate package lib32bz2-1.0
negative_passages.docid: 49145
negative_passages.text: How to install .bundle packages in Ubuntu?
negative_passages.docid: 73357
negative_passages.text: Every package "has no installation candidate"
negative_passages.docid: 66378
negative_passages.text: I can't install paperclip
negative_passages.docid: 56661
negative_passages.text: Ubuntu 16.04 LTS Network Manager cannot add VPN - greyed out