Reference request for permissions needed by linux commands

Good day,

I want to ask if there is a comprehensive reference for permissions needed by each linux command and on which directores (ex : source/target) to do its primary role … something like a list, I wasn’t successful to find that in the manual but if it exists , please help me know in what part it resides in the manual

I am preparing a summary of that during my self study thats why am asking so if any one could help me it will be appreciated

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Author: AbdAllah Talaat

Connecting to mysql db server from a remote server to a local machine

As per my understanding, there are two main things to check before connecting to a remote mysql db server.

1. Bind address.
2. Grant privileges.

I was able to connect to a remote mysql db server from my Mac, it was easy (mysql -uroot -h x.x.x.x -p)

Imagine a scenario for my own learning, I want to connect to a mysql db instance on my Mac from a remote server. Imagine I am logging into this remote linux machine from my Mac and trying to connect to my own Mac db server?

mysql -uroot -h x.x.x.x -p

is raising an error 2003 mysql cannot connect 10060 cannot connect to the x.x.x.x server. It is similar to the reverse proxying while connecting to the local machine from a remote one, can someone direct to right resource (if there is a similar question please comment) which can help me figure out this thing?

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Author: JumpMan