this post was submitted on 12 Apr 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Thank you for your friendly and detailed response !!!
It's always Arch wiki :D. Thank you, but I will probably stay with samba at the moment which will probably fullfil my current needs and seems more complex than I thought ! Also, it's in a multi-OS environnement (Windows, MacOS, Linux) and NFS seems to not work very well with Windows :/ If I could I would switch my whole family to Linux, but old habits die hard...
Anyway, will keep Kerberos under my radar ! I really want to learn more about it seems very interesting, especially the cybersecurity aspect !
If you don't mind... Can you tell very briefly what kerberos actually solves in a coporate environnement ? Please, give me a sneek peak of the subject that awaits me :) !!
Then, take a look at ksmbd which is basically a mini SMB implementation in the kernel. I haven't used it yet, but apparently it's more performant and easier to set up.
It provides single sign-on capability. As I already said Active Directory is built on Kerberos for authentication, but it's used similarly on Linux, logging in to Kerberos gives you a TGT (ticket-granting ticket) which essentially allows you to also authenticate to other services like NFS, SSH (in which case it can forward your ticket to the machine you log on to), stuff like IMAP, even websites (though as far as I've seen you need to do some stupid per-domain manual setup for at least Firefox) without having to enter your password again, at least, until the ticket expires, or storing it anywhere. There's much more that supports it but I've only used it for NFS and I've experimented with using it for SSH auth, and only for personal use, so I can't tell you what exactly.
It's worth noting that it's purely for authentication and not authorization, so if you want central permission management, something else will have to do that, such as LDAP which is also what AD uses.