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When to use Chown and when to change permissions?
chown is used to change ownership of the file, not change permissions. ls -al is not showing you who owns the file, just its permissions. If root owns those files, you’ll need to chown them properly, before you can change their permissions: Then as the owner you can change their permissions:
How does the Chown command change the ownership of a file?
The chown command changes user ownership of a file, directory, or link in Linux. Every file is associated with an owning user or group. It is critical to configure file and folder permissions properly. In this tutorial, learn how to use the Linux chown command with examples provided.
Why can’t a normal user’chown’a file?
Since using chown requires owning the file or being root (users can never appropriate other users’ files), only root can run chown to change a file’s owner to another user. The reason for this restriction is that giving away a file to another user can allow bad things to happen in uncommon, but still important situations.
Is there a way to undo the Chown command?
Unfortunately you can’t undo the changes made by chown or chmod. That’s linux! Commands will actually do what you tell them to do. Better do a backup yourself next time. However you can restore the default permissions for your home folder which will probably fix most of your issues. This should stabilise your situation.
Why does Node.js install NPM not work?
When I run the command, nothing happens, I don’t even receive an error, nothing at all : ( But if I try to install a single package from the list, it works perfectly… I haven’t created the package.json myself, so I am not sure what the “proxyURL” thing does…
When to use sudo or sudo-I when installing NPM?
always use sudo -i or sudo -H when running npm install to install global packages. When you use npm, it downloads packages to your user home directory. When you run as sudo, npm installs files to the same directory, but now they are owned by root.
How to run NPM install to install dependencies?
Run npm install to install the dependencies. just ran into this. in my case the answer was environment variable NODE_ENV was set to ‘production’ I haven’t looked it up but when I changed it to something else, it started working. I was testing this environment variable for something else and didn’t realize it had this effect also.