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I am trying to upgrade my Ubuntu 18.10 distribution to 19.04 but everytime I run the update command (sudo apt update) I get the following errors:

E: Fallo al obtener http://repos.uclv.edu.cu/ubuntu/dists/disco/main/cnf/Commands-amd64 404 Not Found [IP: 10.12.1.62 80]

E: Fallo al obtener http://repos.uclv.edu.cu/ubuntu/dists/disco-updates/main/cnf/Commands-amd64 404 Not Found [IP: 10.12.1.62 80]

E: Fallo al obtener http://repos.uclv.edu.cu/ubuntu/dists/disco-security/main/cnf/Commands-amd64 404 Not Found [IP: 10.12.1.62 80]

E: Fallo al obtener http://repos.uclv.edu.cu/ubuntu/dists/disco-backports/main/cnf/Commands-amd64 404 Not Found [IP: 10.12.1.62 80]

E: Fallo al obtener http://repos.uclv.edu.cu/ubuntu/dists/disco-proposed/main/cnf/Commands-amd64 404 Not Found [IP: 10.12.1.62 80]

Can anyone please assist me with getting this resolved?

  • Are you on some kind of wifi or similar network with a captive portal? – vidarlo Jun 13 '19 at 18:45
  • @vidarlo There is no captive portal on the network. – Omari Celestine Jun 13 '19 at 18:50
  • The mirrors seem wrong, the links don't work for me too. Try another mirror. If you don't know what I'm talking about, please post the content of your /etc/apt/sources.list. – pLumo Jun 14 '19 at 11:16
  • @pLumo I am on a network that is behind a proxy server which does not allow me to use external sources. – Omari Celestine Jun 17 '19 at 13:18
  • You should ask your internet provider how to proceed. Usually a proxy should not block the internet o0... If that is not possible and you are not able to access the internet, you can refer to this question: https://askubuntu.com/questions/974/how-can-i-install-software-or-packages-without-internet-offline – pLumo Jun 17 '19 at 13:28

1 Answers1

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Try using different Sources List. Here's funky generator that'll help you out:

https://repogen.simplylinux.ch/