uses weak digest algorithm (SHA1)

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1

Dear all.
Just made a fresh install on a box with Ubuntu 16.x (with php7)
and installed everything using the install.sh.
but when doing sudo apt-get update and sudo apt-get upgrade i get message:

W: http://software.virtualmin.com/gpl/ubuntu/dists/virtualmin-xenial/Release.gpg: Signature by key 31D2B18872EAF68EFB81F81DE8DD3FA0A0BDBCF9 uses weak digest algorithm (SHA1)
W: http://software.virtualmin.com/gpl/ubuntu/dists/virtualmin-universal/Release.gpg: Signature by key 31D2B18872EAF68EFB81F81DE8DD3FA0A0BDBCF9 uses weak digest algorithm (SHA1)

What does this mean, and how can this be corrected?
Hoing to hear from you all.
Regards,
paco

2

Howdy,

That warning is safe to ignore. At some point in the future, the Virtualmin repository will be updated to use stronger hashing algorithms when creating packages.

-Eric