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When we want to install NodeJS on our Debian server, we are going to find that; or we have to install it manually from sources (with all the problems this involves when we have many servers), or we have to install a version old, since that is in the repos of Debian is viejisima or does not exist.
The idea of this guide is to generate our own package .deb of NodeJS, which will allow us to easily install it on all our servers, keep it updated, etc
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lsof, aka “list open files”. It is a command of the unixes that allows you to see all the files that are open in real-time.
Therefore, you can see which processes are accessing particular files, pipes, sockets, various devices, etc
It is very useful when we receive message ‘device is busy’, etc here is a small guide..
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