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Why does this appear? I hadn't had this problem on 16.04, now on 18.04 I have it. If I dosable it since there is no release file, how will I find out when they publish a release file?

E:The repository 'https://packages.cisofy.com/community/lynis/deb bionic Release' does not have a Release file.
W:Updating from such a repository can't be done securely, and is therefore disabled by default.
W:See apt-secure(8) manpage for repository creation and user configuration details.
E:The repository 'http://dell.archive.canonical.com/updates/dists bionic-dell Release' does not have a Release file.
wjandrea
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sunwarr10r
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    The error "...does not have a Release file" usually means there are no packages for this release in the repository, which implies it has not been updated. If all works as expected, just remove them. Possible duplicate of [Xenial repository does not have a Release file](https://askubuntu.com/questions/866901/xenial-repository-does-not-have-a-release-file) – mikewhatever Aug 17 '18 at 20:00
  • you might just need to re-add the ppa from this page: https://packages.cisofy.com/ – Joshua Besneatte Aug 17 '18 at 20:01

1 Answers1

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You might just need to re-add the PPA:

If you want the cisco PPA:

https://packages.cisofy.com/

Not sure if you wan to use customer or community ppa from above, so you will have to link to your desired one and follow the directions there.

Joshua Besneatte
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