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    ADSys
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ADSys documentation
ADSys documentation
  • Tutorial
  • How-to guides
    • Setting up Active Directory
    • Setting up adwatchd
    • Joining machine to Active Directory during installation
    • Joining machine to Active Directory manually
    • Setting up ADSys
    • Using GPO with Ubuntu
    • Certificate auto-enrollment
      • Setting up certificate auto-enrollment
      • Configuring certificate auto-enrollment
      • Troubleshooting certificate auto-enrollment
      • Using a VPN with certificate auto-enrollment
  • Reference
    • ADSys Daemon (adsysd)
    • ADSys Control (adsysctl)
    • ADSys Watch Daemon (adwatchd)
    • CLI references
      • adsysd
      • adsysctl
      • adwatchd
    • Policies reference list
      • Computer Policies
        • Ubuntu
          • Client management
            • Computer Scripts
              • Shutdown scripts
              • Startup scripts
            • Power Management
              • Enable the ALS sensor
              • The brightness of the screen when idle
              • Dim the screen after a period of inactivity
              • Laptop lid close action when on AC
              • Laptop lid close action on battery
              • Laptop lid, when closed, will suspend even if there is an external monitor plugged in
              • Power button action
              • Enable power-saver profile when battery is low
              • Sleep timeout computer when on AC
              • Whether to hibernate, suspend or do nothing when inactive
              • Sleep timeout computer when on battery
              • Whether to hibernate, suspend or do nothing when inactive
            • Privilege Authorization
              • Allow local administrators
              • Client administrators
            • System Drive Mapping
              • System mounts
            • System proxy configuration
              • Auto-configuration URL
              • FTP Proxy
              • HTTP Proxy
              • HTTPS Proxy
              • Ignored hosts
              • SOCKS Proxy
            • System-wide application confinement
              • AppArmor
          • Login Screen
            • Authentication
              • Number of allowed authentication failures
              • Whether or not to allow fingerprint readers for login
              • Whether or not to allow passwords for login
              • Whether or not to allow smartcard readers for login
            • Interface
              • The background-color property sets the background color.
              • Sets the background image for the login screen.
              • The background-repeat property sets if/how the background image will be repeated.
              • The background-size property specifies the size of the background image.
              • Enable showing the banner message
              • Banner message text
              • Whether the clock displays in 24h or 12h format
              • Show date in clock
              • Show weekday in clock
              • Path to small image at top of user list
            • Disable showing the restart buttons
            • Avoid showing user list
            • Show notification banners
            • Show notifications in the lock screen
            • Enable Toolkit Accessibility
      • User Policies
        • Ubuntu
          • Desktop
            • Accessibility
              • On-screen keyboard
              • Screen magnifier
              • Screen reader
              • Enable Toolkit Accessibility
            • Background
              • Picture Options
              • Picture URI (dark)
              • Picture URI
            • Keyboard shortcuts
              • Launch settings
              • Modifier to use for extended window management operations
              • Show the activities overview
              • Launch terminal
              • Keybinding to open the “Show Applications” view
              • Keybinding to open the overview
            • Screensaver
              • Disable lock screen
              • Picture Options
              • Picture URI
              • Show notifications in the lock screen
            • Shell
              • Clock
                • Whether the clock displays in 24h or 12h format
                • Show date in clock
                • Show weekday in clock
              • LockDown
                • Disable command line
                • Disable log out
                • Disable print setup
                • Disable printing
                • Disable saving files to disk
                • Disable user switching
                • Mount removable storage devices as read-only
                • Disable user administration
              • Notifications
                • Show notification banners
              • Privacy
                • When USB devices should be rejected
                • Whether to protect USB devices
              • List of desktop file IDs for favorite applications
              • Have file manager handle the desktop
              • Show applications button
          • Peripherals
            • Whether to automatically mount media
          • Session management
            • User Drive Mapping
              • User mounts
            • User Scripts
              • Logoff scripts
              • Logon scripts
            • User application confinement
              • AppArmor
    • Glossary for ADSys
    • External resources
    • Feature availability
    • Release notes for ADSys
  • Explanation
    • Architecture
    • Security overview
    • GSettings
    • Privileges management
    • Scripts execution
    • AppArmor profiles
    • Network shares
    • Network proxy
    • Details of certificate auto-enrollment implementation
    • Security policy
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External links and resources¶

ADSys depends on multiple tools and applications. It is not possible for us to provide support and troubleshooting for each dependency.

The sections below include external links to relevant resources.

If you are having problems with one of these tools, and cannot find a solution in the ADSys documentation, consult the external links below.

Active Directory¶

  • Active Directory documentation

  • Active Directory Domain Services overview

  • Active Directory Certificate Services (AD CS)

  • Increase your CSR key size on Microsoft IIS without removing the production certificate

Certmonger¶

  • certmonger documentation

  • certmonger man page

CEP/CES¶

  • cepces documentation

  • cepces repository

Kerberos¶

  • Kerberos manpage

  • Introduction to Kerberos

  • Kerberos authentication overview on Windows Server

LDAP¶

  • LDAP documentation

  • LDAP manpage

Samba¶

  • Samba wiki

  • Samba manpage

SSSD¶

  • SSSD documentation

  • SSSD manpage

  • Introduction to network user authentication with SSSD

  • Troubleshooting SSSD

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Feature availability
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Glossary for ADSys
© 2026 CC-BY-SA, Canonical Ltd.
Last updated on Feb 24, 2026
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Contents
  • External links and resources
    • Active Directory
    • Certmonger
    • CEP/CES
    • Kerberos
    • LDAP
    • Samba
    • SSSD