Category: System Administration

  • System Administration

    Here we will discuss about the topic Active Directory service provided by Microsoft which can be well integrated with windows environment and as well as extended to Linux environment.

    Let us understand what is Active Directory service and why we need it ?

    Its a Database which stores information about users, computers and resources within the network and allow administrator to manage the permissions to access the resources and this service include several components as listed below.

    • Domain Services – AD DS -Centralized management of users and computers and groups.
    • Lightweight directory services AD LDS – Similar to AD DS but without using domain.
    • AD CS Certificate service to issue and manage public key certificates
    • AD FS its Federation service for allowing users to authenticate across different domains and system using AD credentials
    • AD RMS -Right Management service for control and protect documents and emails.

    In this post we will focus on the AD DS service Domain service for managing users, computes and groups

  • Linux OS

    Root Directory of the Linux Files System (FS)

    └─── /bin User Binaries

    └─── /boot Boot Loader Files

    └─── /dev Device Files

    └─── /etc System-Global Config Files

    └─── /home User’s Home Directory

    └─── /lib System Libraries and Kernel Modules

    └─── /lost+found Stores Corrupted FS Files

    └─── /media Mount Point for External Devices

    └─── /mnt Temp Mount Point

    └─── /opt Folder for Optional Application Files

    └─── /proc Process (and Kernel) Information

    └─── /root Root User’s Home Directory

    └─── /sbin Essential System Binaries

    └─── /sys Devices (and Kernel) Information

    └─── /tmp Temporary Files Directory

    └─── /usr User Utilities and Applications
    |
    └─── /var Variable Files