Merge pull request #169 from davidekete/new-reference-glossary-for-Adsys

docs: add glossary for Adsys

Author: edibotopic

adsys/reference/glossary.md

@@ -6,8 +6,125 @@ Pay particular attention to Ubuntu- or Linux-specific
 concepts, tools or packages that a Windows users might
 not be familiar with.
 -->
+:::{glossary}
+
+Active Directory (AD)
+  A directory service developed by Microsoft that provides centralized authentication, authorization, and management of users, computers, and resources in a networked environment.
+
+Administrative Templates
+  A set of policy settings that allow administrators to configure user and computer settings in a Windows-based Active Directory environment, often managed via Group Policy Objects (GPOs).
+
+[adcli](https://manpages.ubuntu.com/manpages/xenial/man8/adcli.8.html)
+  A command-line tool for managing Active Directory (AD) domain membership on Linux.
+
+ADSys
+  A tool that allows system administrators to manage Ubuntu machines using Microsoft Active Directory (AD).
+
+[adsysctl](https://documentation.ubuntu.com/adsys/en/latest/reference/adsysctl-cli/)
+  A command-line utility for interacting with the ADSys service in Ubuntu.
+
+[Adwatchd](https://documentation.ubuntu.com/adsys/en/latest/reference/adwatchd/)
+  A daemon that monitors and enforces compliance with Active Directory policies on Ubuntu systems, helping ensure settings are consistently applied.
+
+apt (Advanced Package Tool)
+  A package management system used in Debian-based distributions like Ubuntu to install, update, and remove software.
+
+[AppArmor](https://documentation.ubuntu.com/server/how-to/security/apparmor/)
+  A Linux security module that enforces mandatory access control policies on programs to limit their capabilities.
+
+[certmonger](https://manpages.ubuntu.com/manpages/focal/man8/certmonger.8.html)
+  A service that monitors and renews certificates, commonly used in enterprise environments.
+
+Client
+  In the context of ADSys, a client refers to an Ubuntu desktop or server that is managed using Microsoft Active Directory (AD).
+
+D-Bus call
+  A command or API request used to communicate with system services via D-Bus, a message bus system for interprocess communication.
+
+Daemon
+  A background process that runs continuously to provide system services.
+
+[dconf](https://documentation.ubuntu.com/adsys/en/latest/explanation/dconf/)
+  A low-level configuration system used by GNOME-based environments to store application and system settings, providing a centralized way to manage configurations.
+
+Domain Controller (DC)
+  A server in an Active Directory network that authenticates users, enforces security policies, and manages domain-wide resources.
+
+FQDN (Fully Qualified Domain Name)
+  A complete domain name that specifies the exact location of a device within the DNS hierarchy.
+
+getcert
+  A command-line tool used to request, monitor, and renew security certificates, often used with certmonger.
+
+GNOME
+  A popular open-source desktop environment for Linux systems, designed for ease of use and accessibility, providing a modern graphical user interface (GUI).
+
+Group Policies
+  A feature in Active Directory that allows administrators to define security settings, software installations, and user preferences across multiple computers in a domain.
+
+GSettings
+  A system for storing application and desktop settings in GNOME-based environments.
+
+GVfs (GNOME Virtual File System)
+  A user-space virtual filesystem that provides access to remote locations, such as FTP, SMB, and Google Drive.
+
+Kerberos
+  A network authentication protocol that uses tickets to securely authenticate users and services.
+
+LDAP (Lightweight Directory Access Protocol)
+  A protocol for accessing and managing directory information, commonly used for authentication.
+
+Mount Managers
+  Tools or processes that handle the mounting and unmounting of filesystems on Linux.
+
+mounts
+  The process of attaching a filesystem to a specific directory in the Linux file hierarchy.
+
+PAM (Pluggable Authentication Modules)
+  A framework for integrating various authentication methods into Linux systems.
+
+[Polkit](https://manpages.ubuntu.com/manpages/focal/man8/polkit.8.html)
+  A toolkit for defining and handling system-wide privileges in Linux.
+
+proxy
+  A server or service that acts as an intermediary for network requests, often used for filtering or caching.
+
+realmd
+  A service that allows automatic discovery and enrollment of Linux machines into Active Directory or other identity domains.
+
+Samba
+  A software suite that enables file and print sharing between Linux and Windows systems using the SMB/CIFS protocol.
+
+Security Identifier (SID)
+  A unique identifier assigned to users, groups, and other objects in Windows-based systems.
+
+Server
+  In the context of ADSys, the server refers to a **Windows Server** running Active Directory (AD), which manages and enforces policies for Ubuntu clients.
+
+SSSD (System Security Services Daemon)
+  A service that manages authentication and authorization with identity providers like Active Directory or LDAP. [SSSD is used with ADSys](https://documentation.ubuntu.com/adsys/en/stable/explanation/adsys-ref-arch/) for managing authentication and policies.
+
+sudo
+  A command that allows users to run programs with elevated (superuser) privileges on Linux systems.
+
+systemd
+  A modern system and service manager for Linux, responsible for initializing and managing system processes.
+
+systemd journal
+  A logging system that collects and organizes system logs for troubleshooting and auditing.
+
+Ubiquity installer
+  The default graphical installer for Ubuntu, designed to simplify OS installation.
+
+visudo
+  A command used to safely edit the sudoers file, which controls user permissions for executing commands with elevated privileges.
+
+[Ubuntu Pro](https://ubuntu.com/pro)
+  A premium service from Canonical that provides extended security updates (ESM), compliance tools, and enterprise support for Ubuntu systems.
+
+Winbind
+  A component of Samba that allows Linux systems to authenticate users against a Windows domain. It can be used as an alternative to SSSD.
+:::
+
+
 
-* AppArmor: ...
-* Polkit: ...
-* sudo: ...
-* ...