# Log Service

- [Cocktail Log Service](/cocktail-cloud-online-en/log-service/build-server.md): It plays an important role in operations and troubleshooting, managing the containers and logs running in the cluster.
- [Installation](/cocktail-cloud-online-en/log-service/installation.md): You can collect and analyze each log by installing and registering a log service in your cluster.
- [Install Log Service](/cocktail-cloud-online-en/log-service/installation/install-log-service.md): Log Service uses 'OpenSearch' to provide log storage and an API server to communicate with Cocktail Dashboard.
- [Registration Log Service](/cocktail-cloud-online-en/log-service/installation/registration-log-service.md): Only one log service installed on the platform can be registered.
- [Install Log Agent](/cocktail-cloud-online-en/log-service/installation/install-log-agent.md): If you install the log agent, you can check the collected container logs and audit logs on the cocktail dashboard.
- [Install Log Operator](/cocktail-cloud-online-en/log-service/installation/install-log-operator.md): Log Operator is an Addon required when using automatic container log measurement among application log collection methods.
- [Setting](/cocktail-cloud-online-en/log-service/setting.md)
- [Change Opensearch Admin password](/cocktail-cloud-online-en/log-service/setting/change-opensearch-admin-password.md): It cannot be modified in the dashboard, and must be modified only with a script.
- [Application Logs](/cocktail-cloud-online-en/log-service/application-logs.md)
- [Application Management](/cocktail-cloud-online-en/log-service/application-logs/application-management.md): The log service can perform logging depending on various applications, and the process of registering to enable logging is explained.
- [Application logging](/cocktail-cloud-online-en/log-service/application-logs/application-logging.md): We recommend that you select a method that suits your environment.
- [Automatic instrumentation of container logs](/cocktail-cloud-online-en/log-service/application-logs/application-logging/automatic-instrumentation-of-container-logs.md): Using Opentelemetry-operateor, you can simply log using container logs with annotations. Since container logs are collected only in the namespace unit set by the user, the method of collecting them fo
- [Java](/cocktail-cloud-online-en/log-service/application-logs/application-logging/automatic-instrumentation-of-container-logs/java.md): You can leverage Custom Resources to configure the OpenTelemetry auto-instrumentation library and add annotations to your workloads to easily collect logs.
- [Python](/cocktail-cloud-online-en/log-service/application-logs/application-logging/automatic-instrumentation-of-container-logs/python.md)
- [Manual measurement of file logs(SDK)](/cocktail-cloud-online-en/log-service/application-logs/application-logging/manual-measurement-of-file-logs-sdk.md): This is a method of installing into an existing application using the SDK provided by Opentelemetry.
- [Java](/cocktail-cloud-online-en/log-service/application-logs/application-logging/manual-measurement-of-file-logs-sdk/java.md): This is a method of installing into an existing application using the SDK provided by Opentelemetry.
- [Python](/cocktail-cloud-online-en/log-service/application-logs/application-logging/manual-measurement-of-file-logs-sdk/python.md): This is a method of installing into an existing application using the SDK provided by Opentelemetry. Logging in Python is currently under development at opentelemetry.
- [Manual measurement of file logs (Sidecar)](/cocktail-cloud-online-en/log-service/application-logs/application-logging/manual-measurement-of-file-logs-sidecar.md): The advantage of using the open source fluent-bit is that the user can handle it by reading log files stored in the directory.
- [Fluent-bit](/cocktail-cloud-online-en/log-service/application-logs/application-logging/manual-measurement-of-file-logs-sidecar/fluent-bit.md): Fluent Bit is a lightweight log data collector that is used to collect and process data. By installing Flentbit as a sidecar in your application, you parse the application's logs and forward them to O
- [Container Logs](/cocktail-cloud-online-en/log-service/container-logs.md): Logs are collected and displayed for each namespace within the cluster.
- [Cluster Audit Logs](/cocktail-cloud-online-en/log-service/cluster-audit-logs.md): This is a log about events that occur within the cluster.
- [Troubleshooting](/cocktail-cloud-online-en/log-service/troubleshooting.md): This is a solution to problems that frequently occur when installing and operating the log service. If any additional problems arise, please contact us.