There are many guides on the internet on installation of all sorts of programs under Linux. Some require installation of other programs as part of the installation process. Often the steps described in the guides involve commands starting with sudo. How can we tell which is legit and which could lead to installation of doggy programs?

closed as too broad by karel, WinEunuuchs2Unix, N0rbert, Elder Geek, muru Nov 1 '18 at 14:32

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    The problem is http/https does not crawl itself to find obsolete and inaccurate content and issue warning notices to the content authors. – karel Oct 26 '18 at 1:42
  • I disagree with those who think this question is too opinion-based. I think a good answer to this question could cover the trade-offs between getting software from "the Internet" and from curated sources such as the apt repositories and software center. Guides that focus on software installation from these trusted sources are more likely to be legit. – Robie Basak Oct 26 '18 at 1:43
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    As you gain more Linux experience, you'll gain more knowledge of what various install and sudo commands do. Golden rule... DO NOT use any terminal commands, or scripts, unless you know specifically what they're going to do. Period. Use the man pages to learn about commands. – heynnema Oct 26 '18 at 2:57

I think the best course of action is to pull up your boot-straps, run the installation program and post any questions here if you have a problem.

If you are concerned about a specific program / app / snap then post a question here. Hopefully those familiar with it will post an answer. At the very least some helpful souls will find some links of interest and post them as comments.

Asking for a list of all "doggy" programs is subjective. What is more practical is a list of programs that don't work in certain environments which might be applicable to some and irrelevant to others.

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