Public bug reported:

**Title**:
Cannot disable Ubuntu Pro ESM advertisements in Ubuntu 24.04 despite multiple 
configuration attempts

**Description**:
In Ubuntu 24.04.2 LTS, the `apt upgrade` command displays an intrusive Ubuntu 
Pro ESM advertisement:

Get more security updates through Ubuntu Pro with 'esm-apps' enabled:
  libzvbi-common libcjson1 libpostproc57 libavcodec60 libzvbi0t64 libavutil58
  libswscale7 libswresample4 libavformat60 libavfilter9
Learn more about Ubuntu Pro at https://ubuntu.com/pro

This message cannot be disabled despite extensive attempts, negatively
impacting user experience by cluttering the `apt upgrade` output.

**Steps tried**:
- Set `sudo pro config set apt_news=false` (no effect).
- Removed `ubuntu-advantage-tools` (confirmed not installed with `apt remove 
ubuntu-advantage-tools`).
- Masked `ubuntu-advantage.service` (confirmed masked and inactive with 
`systemctl status ubuntu-advantage.service`).
- Configured APT settings:
  - `/etc/apt/apt.conf.d/20auto-upgrades` with:
    ```
    APT::Periodic::Unattended-Upgrade "1";
    APT::Periodic::Update-Package-Lists "1";
    APT::Periodic::Enable "1";
    APT::Periodic::Verbose "0";
    ```
  - `/etc/apt/apt.conf.d/99disable-esm-ads` with:
    ```
    APT::Get::HideAutoUpdatesForESM "1";
    Acquire::AllowInsecureRepositories "0";
    APT::Get::Show-Versions "0";
    APT::Get::Assume-Yes "1";
    ```
- Temporarily disabled `noble-security` and `noble-updates` repositories in 
`/etc/apt/sources.list.d/ubuntu.sources` (no effect).
- Cleared APT cache with `sudo rm -rf /var/lib/apt/lists/*` (no effect).
- Added APT preferences to block ESM packages in 
`/etc/apt/preferences.d/99disable-esm` with:

  Package: *
  Pin: release o=UbuntuESM
  Pin-Priority: -1

(no effect).

**Expected behavior**:
The ESM advertisement should be disableable via configuration (e.g., 
`apt_news=false`, APT preferences, or removing `ubuntu-advantage-tools`) 
without compromising access to critical repositories like `noble-security` and 
`noble-updates`.

**Actual behavior**:
The advertisement persists in `apt upgrade` output, even with all above 
measures applied, making it difficult to review legitimate package updates.

**System details**:
- Ubuntu version: Ubuntu 24.04.2 LTS (noble)
- APT version: apt 2.7.14 (amd64)
- Kernel: 6.11.0-25-generic
- Apport version: 2.28.1-0ubuntu3.5

**Impact**:
The persistent advertisement clutters `apt upgrade` output, frustrates users 
who do not wish to use Ubuntu Pro, and lacks a supported method to disable it 
without affecting security updates.

**Request**:
Provide a supported method to disable ESM advertisements in `apt upgrade` 
output, or confirm if this is a bug in `apt` or related components (e.g., 
`unattended-upgrades`). Alternatively, clarify if this is an intentional design 
decision and suggest a non-invasive workaround.

**Additional context**:
- The issue is not related to a specific package crash or security 
vulnerability but appears to be a design flaw or bug in APT's handling of ESM 
metadata.
- Similar complaints have been noted in other contexts (e.g., Software Updater 
showing greyed-out Ubuntu Pro updates, Launchpad bug #1992026).

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apt esm ubuntu-pro

** Attachment added: "Output from sudo apt update and sudo apt upgrade"
   
https://bugs.launchpad.net/bugs/2110353/+attachment/5876753/+files/APT%20esm%20marketing%20in%20apt%20update%20and%20upgrade.txt

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https://bugs.launchpad.net/bugs/2110353

Title:
  Persistent Ubuntu Pro ESM advertisement in apt upgrade despite
  multiple disable attempts

Status in apt package in Ubuntu:
  New

Bug description:
  **Title**:
  Cannot disable Ubuntu Pro ESM advertisements in Ubuntu 24.04 despite multiple 
configuration attempts

  **Description**:
  In Ubuntu 24.04.2 LTS, the `apt upgrade` command displays an intrusive Ubuntu 
Pro ESM advertisement:

  Get more security updates through Ubuntu Pro with 'esm-apps' enabled:
    libzvbi-common libcjson1 libpostproc57 libavcodec60 libzvbi0t64 libavutil58
    libswscale7 libswresample4 libavformat60 libavfilter9
  Learn more about Ubuntu Pro at https://ubuntu.com/pro

  This message cannot be disabled despite extensive attempts, negatively
  impacting user experience by cluttering the `apt upgrade` output.

  **Steps tried**:
  - Set `sudo pro config set apt_news=false` (no effect).
  - Removed `ubuntu-advantage-tools` (confirmed not installed with `apt remove 
ubuntu-advantage-tools`).
  - Masked `ubuntu-advantage.service` (confirmed masked and inactive with 
`systemctl status ubuntu-advantage.service`).
  - Configured APT settings:
    - `/etc/apt/apt.conf.d/20auto-upgrades` with:
      ```
      APT::Periodic::Unattended-Upgrade "1";
      APT::Periodic::Update-Package-Lists "1";
      APT::Periodic::Enable "1";
      APT::Periodic::Verbose "0";
      ```
    - `/etc/apt/apt.conf.d/99disable-esm-ads` with:
      ```
      APT::Get::HideAutoUpdatesForESM "1";
      Acquire::AllowInsecureRepositories "0";
      APT::Get::Show-Versions "0";
      APT::Get::Assume-Yes "1";
      ```
  - Temporarily disabled `noble-security` and `noble-updates` repositories in 
`/etc/apt/sources.list.d/ubuntu.sources` (no effect).
  - Cleared APT cache with `sudo rm -rf /var/lib/apt/lists/*` (no effect).
  - Added APT preferences to block ESM packages in 
`/etc/apt/preferences.d/99disable-esm` with:

    Package: *
    Pin: release o=UbuntuESM
    Pin-Priority: -1

  (no effect).

  **Expected behavior**:
  The ESM advertisement should be disableable via configuration (e.g., 
`apt_news=false`, APT preferences, or removing `ubuntu-advantage-tools`) 
without compromising access to critical repositories like `noble-security` and 
`noble-updates`.

  **Actual behavior**:
  The advertisement persists in `apt upgrade` output, even with all above 
measures applied, making it difficult to review legitimate package updates.

  **System details**:
  - Ubuntu version: Ubuntu 24.04.2 LTS (noble)
  - APT version: apt 2.7.14 (amd64)
  - Kernel: 6.11.0-25-generic
  - Apport version: 2.28.1-0ubuntu3.5

  **Impact**:
  The persistent advertisement clutters `apt upgrade` output, frustrates users 
who do not wish to use Ubuntu Pro, and lacks a supported method to disable it 
without affecting security updates.

  **Request**:
  Provide a supported method to disable ESM advertisements in `apt upgrade` 
output, or confirm if this is a bug in `apt` or related components (e.g., 
`unattended-upgrades`). Alternatively, clarify if this is an intentional design 
decision and suggest a non-invasive workaround.

  **Additional context**:
  - The issue is not related to a specific package crash or security 
vulnerability but appears to be a design flaw or bug in APT's handling of ESM 
metadata.
  - Similar complaints have been noted in other contexts (e.g., Software 
Updater showing greyed-out Ubuntu Pro updates, Launchpad bug #1992026).

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https://bugs.launchpad.net/ubuntu/+source/apt/+bug/2110353/+subscriptions


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