Interview Q&A / Linux & Shell
Linux & Shell interview questions
Permissions, processes, pipes and the commands you are expected to know cold.
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- What is a package repository, and why do package managers check GPG signatures?
A repository is a server holding packages and an index that package managers read. Packages and indexes are signed with GPG keys so your system can verify they came from the publisher and were not altered. Adding a third-party repository means trusting its key.
IntermediateQuick answer1 min read