Tweak debian installation for newer debian testing servers (#4142)

* Tweak debian installation for newer debian testing servers

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

* Tweaks

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

* Update _install-and-configure/install-dashboards/debian.md

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>
Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

* Update _install-and-configure/install-opensearch/debian.md

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>
Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

---------

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>
Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

_install-and-configure/install-dashboards/debian.md

@@ -67,13 +67,17 @@ The Debian package is not signed. If you would like to verify the fingerprint, t
 
 APT, the primary package management tool for Debian–based operating systems, allows you to download and install the Debian package from the APT repository. 
 
+1. Install the necessary packages.
+   ```bash
+   sudo apt-get update && sudo apt-get -y install lsb-release ca-certificates curl gnupg2
+   ```
 1. Import the public GPG key. This key is used to verify that the APT repository is signed.
     ```bash
-    curl -o- https://artifacts.opensearch.org/publickeys/opensearch.pgp | sudo apt-key add -
+    curl -o- https://artifacts.opensearch.org/publickeys/opensearch.pgp | sudo gpg --dearmor --batch --yes -o /usr/share/keyrings/opensearch-keyring
     ```
 1. Create an APT repository for OpenSearch.
    ```bash
-   echo "deb https://artifacts.opensearch.org/releases/bundle/opensearch-dashboards/2.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/opensearch-dashboards-2.x.list
+   echo "deb [signed-by=/usr/share/keyrings/opensearch-keyring] https://artifacts.opensearch.org/releases/bundle/opensearch-dashboards/2.x/apt stable main" | sudo tee /etc/apt/sources.list.d/opensearch-dashboards-2.x.list
    ```
 1. Verify that the repository was created successfully.
     ```bash
@@ -126,4 +130,4 @@ By default, OpenSearch Dashboards, like OpenSearch, binds to `localhost` when yo
     ```
 1. From a web browser, navigate to OpenSearch Dashboards. The default port is 5601.
 1. Log in with the default username `admin` and the default password `admin`.
-1. Visit [Getting started with OpenSearch Dashboards]({{site.url}}{{site.baseurl}}/dashboards/index/) to learn more.
+1. Visit [Getting started with OpenSearch Dashboards]({{site.url}}{{site.baseurl}}/dashboards/index/) to learn more.

_install-and-configure/install-opensearch/debian.md

@@ -94,15 +94,21 @@ The Debian package is not signed. If you would like to verify the fingerprint, t
 
 APT, the primary package management tool for Debian–based operating systems, allows you to download and install the Debian package from the APT repository. 
 
+1. Install the necessary packages.
+   ```bash
+   sudo apt-get update && sudo apt-get -y install lsb-release ca-certificates curl gnupg2
+   ```
+    {% include copy.html %}
+
 1. Import the public GPG key. This key is used to verify that the APT repository is signed.
     ```bash
-    curl -o- https://artifacts.opensearch.org/publickeys/opensearch.pgp | sudo apt-key add -
+    curl -o- https://artifacts.opensearch.org/publickeys/opensearch.pgp | sudo gpg --dearmor --batch --yes -o /usr/share/keyrings/opensearch-keyring
     ```
     {% include copy.html %}
 
 1. Create an APT repository for OpenSearch:
    ```bash
-   echo "deb https://artifacts.opensearch.org/releases/bundle/opensearch/2.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/opensearch-2.x.list
+   echo "deb [signed-by=/usr/share/keyrings/opensearch-keyring] https://artifacts.opensearch.org/releases/bundle/opensearch/2.x/apt stable main" | sudo tee /etc/apt/sources.list.d/opensearch-2.x.list
    ```
    {% include copy.html %}
 
@@ -530,4 +536,4 @@ sudo apt-get upgrade opensearch=<version>
 - [OpenSearch configuration]({{site.url}}{{site.baseurl}}/install-and-configure/configuration/)
 - [Install and configure OpenSearch Dashboards]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/index/)
 - [OpenSearch plugin installation]({{site.url}}{{site.baseurl}}/opensearch/install/plugins/)
-- [About the Security plugin]({{site.url}}{{site.baseurl}}/security-plugin/index/)
+- [About the Security plugin]({{site.url}}{{site.baseurl}}/security-plugin/index/)