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Actualized Dynamic modules info for NGINX Plus (#430)
* Updated Dynamic Modules sections in Installing NGINX Plus. * Actualized dynamic modules landing page. * Added intro, updated procedure for uninstall dynamic modules. * Actualized info about removed dynamic modules. * Minor updates to OpenTelemetry module.
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‎content/nginx/admin-guide/dynamic-modules/cookie-flag.md‎

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- how-to
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> **Note**: The module was deprecated in [Release 23]({{< ref "nginx/releases.md#r23" >}}) and removed in [Release 26]({{< ref "nginx/releases.md#r26" >}}). The [`proxy_cookie_flags`](https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cookie_flags) directive implements native support for setting cookie flags and replaces the module. See [Native Method for Setting Cookie Flags](https://www.nginx.com/blog/nginx-plus-r23-released#cookie-flags) for details.
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{{< note >}} The `nginx-plus-module-cookie-flag` package is no longer available.{{< /note >}}
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## Installation
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The module was deprecated in [NGINX Plus Release 23]({{< ref "nginx/releases.md#r23" >}}) and removed in [NGINX Plus Release 26]({{< ref "nginx/releases.md#r26" >}}). Its functionality has been replaced with natively supported [`proxy_cookie_flags`](https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cookie_flags) directive.
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1. Install the Cookie-Flag module.
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To remove the module, follow the [Uninstalling a Dynamic Module]({{< ref "uninstall.md" >}}) instructions.
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For Amazon Linux, CentOS, Oracle Linux, and RHEL:
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To learn how to replace the module with the native solution, see [Native Method for Setting Cookie Flags](https://www.nginx.com/blog/nginx-plus-r23-released#cookie-flags) and the [`proxy_cookie_flags`](https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cookie_flags) directive.
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```shell
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sudo yum update && \
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sudo yum install nginx-plus-module-cookie-flag
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```
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For Debian and Ubuntu:
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```shell
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sudo apt update && \
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sudo apt install nginx-plus-module-cookie-flag
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```
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For SLES:
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```shell
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sudo zypper refresh && \
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sudo zypper install nginx-plus-module-cookie-flag
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```
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For Alpine:
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```shell
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apk add nginx-plus-module-cookie-flag
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```
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2. Put the [`load_module`](https://nginx.org/en/docs/ngx_core_module.html#load_module) directive in the top‑level (“`main`”) context of F5 NGINX Plus configuration file, **nginx.conf**:
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```nginx
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load_module modules/ngx_http_cookie_flag_filter_module.so;
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http {
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# ...
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}
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```
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3. Perform additional configuration as required by the [module](https://github.com/AirisX/nginx_cookie_flag_module).
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4. Test the NGINX Plus configuration. In a terminal, type-in the command:
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```shell
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nginx -t
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```
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Expected output of the command:
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```shell
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nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
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nginx: configuration file /etc/nginx/nginx.conf is successful
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```
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5. Reload the NGINX Plus configuration to enable the module:
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```shell
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nginx -s reload
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```
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## More Info
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‎content/nginx/admin-guide/dynamic-modules/dynamic-modules.md‎

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‎content/nginx/admin-guide/dynamic-modules/nginx-waf.md‎

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- how-to
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The F5 NGINX ModSecurity web application firewall (WAF) is built on ModSecurity 3.0.
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{{< note >}} The `nginx-plus-module-modsecurity` package is no longer available.{{< /note >}}
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{{< note >}} The ModSecurity WAF module was deprecated since NGINX Plus [Release 29]({{< ref "nginx/releases.md#r29" >}}), and is no longer available since NGINX Plus [Release 32]({{< ref "nginx/releases.md#r32" >}}) {{< /note >}}
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The ModSecurity WAF module was deprecated since [NGINX Plus Release 29]({{< ref "nginx/releases.md#r29" >}}), and is no longer available since [NGINX Plus Release 32]({{< ref "nginx/releases.md#r32" >}}).
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## Installation
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1. Check the [Technical Specifications]({{< ref "nginx/technical-specs.md" >}}) page to verify that the module is supported by your operating system.
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2. Install the NGINX ModSecurity WAF module package `nginx-plus-module-modsecurity`.
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For Amazon Linux 2, CentOS, Oracle Linux, and RHEL:
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```shell
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sudo yum update && \
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sudo yum install nginx-plus-module-modsecurity
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```
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{{< note >}} ppc64le is currently not supported for Amazon Linux, CentOS, Oracle Linux, and RHEL. {{< /note >}}
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For Amazon Linux 2023:
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```shell
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sudo dnf update && \
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sudo dnf install nginx-plus-module-modsecurity
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```
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For Debian and Ubuntu:
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```shell
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sudo apt update && \
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sudo apt install nginx-plus-module-modsecurity
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```
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{{< note >}} aarch64 and ppc64le is currently not supported for Ubuntu.{{< /note >}}
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For SLES:
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```shell
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sudo zypper refresh && \
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sudo zypper install nginx-plus-module-modsecurity
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```
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For Alpine:
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```shell
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apk add nginx-plus-module-modsecurity
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```
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## Configuration
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After installation you will need to enable and configure the module in NGINX Plus configuration file `nginx.conf`.
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1. Enable dynamic loading of the module with the [`load_module`](https://nginx.org/en/docs/ngx_core_module.html#load_module) directive specified in the top-level (“`main`”) context:
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```nginx
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load_module modules/ngx_http_modsecurity_module.so;
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http {
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# ...
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}
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```
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2. Perform additional configuration as required by the [module](https://github.com/SpiderLabs/ModSecurity/wiki/Reference-Manual).
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3. Test the NGINX Plus configuration. In a terminal, type-in the command:
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```shell
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nginx -t
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```
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Expected output of the command:
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```shell
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nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
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nginx: configuration file /etc/nginx/nginx.conf is successful
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```
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4. Reload the NGINX Plus configuration to enable the module:
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```shell
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nginx -s reload
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```
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5. [Configure](https://docs.nginx.com/nginx-waf/admin-guide/nginx-plus-modsecurity-waf-installation-logging/) the module.
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To remove the module, follow the [Uninstalling a Dynamic Module]({{< ref "uninstall.md" >}}) instructions.
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## More Info
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‎content/nginx/admin-guide/dynamic-modules/opentelemetry.md‎

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[OpenTelemetry](https://opentelemetry.io/) (OTel) is an observability framework for monitoring, tracing, troubleshooting, and optimizing applications. OTel enables the collection of telemetry data from a deployed application stack.
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The `nginx-plus-module-otel` module is an NGINX-authored dynamic module that enables NGINX Plus to send telemetry data to an OTel collector. The module supports [W3C](https://w3c.github.io/trace-context/) trace context propagation, OpenTelemetry Protocol (OTLP)/gRPC trace exports, and offers several advantages over existing OTel modules including:
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The `nginx-plus-module-otel` module is an [NGINX-authored]({{< ref "nginx/admin-guide/installing-nginx/installing-nginx-plus.md#nginx-authored-dynamic-modules" >}}) dynamic module that enables NGINX Plus to send telemetry data to an OTel collector. The module supports [W3C](https://w3c.github.io/trace-context/) trace context propagation, OpenTelemetry Protocol (OTLP)/gRPC trace exports, and offers several advantages over existing OTel modules including:
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- Enhanced performance: with the module enabled, request processing overhead is limited to 10-15%, compared to other OpenTelemetry implementations, which can introduce performance degradation of up to 50%.
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## Installation
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The installation process closely follows the [NGINX Plus installation procedure]({{< ref "/nginx/admin-guide/installing-nginx/installing-nginx-plus.md" >}}). Prebuilt packages of the module for various Linux distributions can can be installed directly from the official repository. Prior to installation, you need to add the NGINX Plus package repository for your distribution and update the repository metadata.
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The installation process closely follows the [NGINX Plus installation procedure]({{< ref "/nginx/admin-guide/installing-nginx/installing-nginx-plus.md" >}}). The module is available as the prebuilt `nginx-plus-module-otel` package for various Linux distributions and can be installed directly from the official NGINX Plus repository. Prior to installation, you need to add the NGINX Plus package repository for your distribution and update the repository metadata.
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1. Check the [Technical Specifications]({{< ref "nginx/technical-specs.md" >}}) page to verify that the module is supported by your operating system.
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6. Ensure that your package management system is configured to pull packages from the NGINX Plus repository. See [Installing NGINX Plus]({{< ref "/nginx/admin-guide/installing-nginx/installing-nginx-plus.md" >}}) for details.
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7. Update the repository information and install the package. In a terminal, run the appropriate command for your operating system.
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7. Update the repository information and install the `nginx-plus-module-otel` package. In a terminal, run the appropriate command for your operating system.
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For CentOS, Oracle Linux, and RHEL:
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The resulting `ngx_otel_module.so` dynamic module will be written to the following directory, depending on your operating system:
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- `/usr/local/nginx/modules` for most Linux Distributions
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- `/usr/lib/nginx/modules` for Ubuntu
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- `/usr/local/etc/nginx/modules` for FreeBSD
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- `/usr/lib64/nginx/modules/` for most Linux distributions
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- `/usr/lib/nginx/modules` for Debian, Ubuntu, Alpine
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- `/usr/local/etc/nginx/modules` for FreeBSD
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8. Enable dynamic loading of the module.
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## Configuration
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In a text editor, open the NGINX Plus configuration file (`/etc/nginx/nginx.conf` for Linux or `/usr/local/etc/nginx/nginx.conf` for FreeBSD).
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In a text editor, open the NGINX Plus configuration file:
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- `/etc/nginx/nginx.conf` for Linux
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- `/usr/local/etc/nginx/nginx.conf` for FreeBSD
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For a complete list of directives, embedded variables, default span attributes, refer to the `ngx_otel_module` official documentation.
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‎content/nginx/admin-guide/dynamic-modules/opentracing.md‎

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{{< note >}} The module no longer available since F5 NGINX Plus [Release 34]({{< ref "nginx/releases.md#r34" >}}). The [OpenTelemetry]({{< ref "nginx/admin-guide/dynamic-modules/opentelemetry.md" >}}) module is available since NGINX Plus [Release 29]({{< ref "nginx/releases.md#r29" >}}) that incorporates the features of the OpenTracing module.{{< /note >}}
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{{< note >}} The `nginx-plus-module-opentracing` package is no longer available.{{< /note >}}
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The module was deprecated in [NGINX Plus Release 31]({{< ref "nginx/releases.md#r31" >}}) and removed in [NGINX Plus Release 34]({{< ref "nginx/releases.md#r34" >}}). Its functionality has been replaced with the [OpenTelemetry]({{< ref "nginx/admin-guide/dynamic-modules/opentelemetry.md" >}}) module.
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<span id="install"></span>
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## Installation
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To remove the module, follow the [Uninstalling a Dynamic Module]({{< ref "uninstall.md" >}}) instructions.
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1. Check the [Technical Specifications]({{< ref "nginx/technical-specs.md" >}}) page to verify that the module is supported by your operating system.
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2. Install the OpenTracing module package `nginx-plus-module-opentracing`.
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sudo yum update && \
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sudo yum install nginx-plus-module-opentracing
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```
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sudo dnf update && \
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sudo dnf install nginx-plus-module-opentracing
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```
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```shell
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sudo apt update && \
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sudo apt install nginx-plus-module-opentracing
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```
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```shell
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sudo zypper refresh && \
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sudo zypper install nginx-plus-module-opentracing
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```
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{{< note >}} the OpenTracing module cannot be installed on SLES 12. {{< /note >}}
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```shell
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apk add nginx-plus-module-opentracing
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```
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```shell
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sudo pkg update && \
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sudo pkg install nginx-plus-module-opentracing
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```
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<span id="configure"></span>
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## Configuration
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After installation you will need to enable and configure the module in NGINX Plus configuration file `nginx.conf`.
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```nginx
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load_module modules/ngx_http_opentracing_module.so;
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http {
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# ...
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}
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```
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2. Perform additional configuration as required by the [module](https://github.com/opentracing-contrib/nginx-opentracing). You will also need to [install a tracer](https://github.com/opentracing-contrib/nginx-opentracing#building-from-source) (“portable binary plugin”) for your selected service.
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3. Test the NGINX Plus configuration. In a terminal, type-in the command:
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```shell
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nginx -t
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```
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Expected output of the command:
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```shell
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nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
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nginx: configuration file /etc/nginx/nginx.conf is successful
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```
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4. Reload the NGINX Plus configuration to enable the module:
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```shell
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nginx -s reload
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```
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<span id="info"></span>
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## More Info
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- [NGINX plugin for OpenTracing Reference](https://github.com/opentracing-contrib/nginx-opentracing)

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