command line - Problem with installing Super Boot Manager in Ubuntu 16.04 LTS - Ask Ubuntu


i have situation installing super boot manager on ubuntu 16.04 lts. have try installation adding official repo / ppa:ingalex/super-boot-manager / , update , install sudo apt-get install super-boot-manager , error message:

  • w: repository > 'http://ppa.launchpad.net/ingalex/super-boot-manager/ubuntu xenial > release' not have release file. n: data such repository can't authenticated , therefore potentially dangerous use. > n: see apt-secure(8) manpage repository creation , user configuration details.

also try different type of installation same. buc installed, no deference. edit: after trying update again next message appear :

failed fetch http://ppa.launchpad.net/ingalex/super-boot-manager/ubuntu/dists/xenial/main/binary-amd64/packages 404 not found

this , top 1 appears together.



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