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when I try to update my elementary Loki from terminal I found this thing I don't know What is it mean
W: http://archive.canonical.com/ubuntu/dists/maverick/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
I don't know how to fix it so anyone can help I will be so happy
This line is basically a warning about old software. There are no pieces of software or software repositories that will be removed after an update with this warning.
Most likely you have a PPA / other software repository that uses an ancient digest algorithm but you cannot fix it locally, you have to contact the owner of the repository. In this case, Ubuntu maverick was a release about 6 years ago, so there is not much chance that this warning gets fixed.
However, if security is not your primary concern (as in using 6 years old software repository / distribution…) you can ignore this warning.
