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Luke
Asked: 2021-07-28 18:58:13 +0800 CST

apt update error: Conflicting values set for option ALLOW_INSECURE regarding source <set> <unset>

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As subject, today when I tried to apt update, my ubuntu server throw error message that

E: Conflicting values set for option ALLOW_INSECURE regarding source <set> <unset> 
E: The list of sources could not be read.

How to detect what make this problem and how to fix it?

apt

1 Answers

  1. You have to remove extra space before ] in /etc/apt/sources.list.d/FPT-docker.list and check spelling in similar lines like with [trusted=yes arch=amd64].

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