fix links

Author: MeeraDi

articles/hdinsight-aks/flink/change-data-capture-connectors-for-apache-flink.md

@@ -28,7 +28,7 @@ The SQLServer CDC connector is a Flink source connector, which reads database sn
 
 ### Single Thread Reading
 
-The SQLServer CDC source can’t work in parallel reading, because there's only one task, which can receive change events. For more information, refer [SQLServer CDC Connector](https://ververica.github.io/flink-cdc-connectors/master/content/connectors/sqlserver-cdc.html).
+The SQLServer CDC source can’t work in parallel reading, because there's only one task, which can receive change events. For more information, refer [SQLServer CDC Connector](https://github.com/apache/flink-cdc).
 
 ### DataStream Source
 

articles/hdinsight-aks/flink/monitor-changes-postgres-table-flink.md

@@ -160,5 +160,5 @@ Now, let's learn how to monitor changes on PostgreSQL table using Flink-SQL CDC.
 ### Reference
 
 - [Apache Flink Website](https://flink.apache.org/)
-- [PostgreSQL CDC Connector](https://ververica.github.io/flink-cdc-connectors/release-2.1/content/connectors/postgres-cdc.html) is licensed under [Apache 2.0 License](https://github.com/ververica/flink-cdc-connectors/blob/master/LICENSE)
+- [PostgreSQL CDC Connector](https://github.com/apache/flink-cdc) is licensed under [Apache 2.0 License](https://github.com/ververica/flink-cdc-connectors/blob/master/LICENSE)
 - Apache, Apache Flink, Flink, and associated open source project names are [trademarks](../trademarks.md) of the [Apache Software Foundation](https://www.apache.org/) (ASF).

articles/hdinsight-aks/flink/sink-sql-server-table-using-flink-sql.md

@@ -170,5 +170,5 @@ Monitor the table on Flink SQL
 
 
 ###  Reference
-* [SQLServer CDC Connector](https://ververica.github.io/flink-cdc-connectors/master/content/connectors/sqlserver-cdc.html) is licensed under [Apache 2.0 License](https://github.com/ververica/flink-cdc-connectors/blob/master/LICENSE)
+* [SQLServer CDC Connector](https://github.com/apache/flink-cdc) is licensed under [Apache 2.0 License](https://github.com/ververica/flink-cdc-connectors/blob/master/LICENSE)
 * Apache, Apache Flink, Flink, and associated open source project names are [trademarks](../trademarks.md) of the [Apache Software Foundation](https://www.apache.org/) (ASF).

articles/openshift/howto-update-certificates.md

@@ -28,4 +28,4 @@ where:
 Running this command restarts worker machines and updates the cluster certificates, setting the cluster to a known, proper state. 
 
 > [!NOTE]
-> Certificates for custom domains need to be updated manually. For more information, see the [Red Hat OpenShift documentation](https://docs.openshift.com/rosa/rosa_install_access_delete_clusters/rosa_getting_started_iam/rosa-getting-started-workflow.html).
+> Certificates for custom domains need to be updated manually. For more information, see the [Red Hat OpenShift documentation](https://docs.openshift.com).

articles/operator-nexus/howto-run-instance-readiness-testing.md

@@ -143,7 +143,8 @@ You can provide the network information in a `networks-blueprint.yml` file, simi
 ## One time setup
 
 ### Download IRT
-IRT is distributed via tarball from the release section of the [nexus-samples](https://aka.ms/nexus-irt) GitHub repo.
+
+IRT is distributed via tarball from the release section of the [nexus-samples](https://aka.ms/nexus-irt) GitHub repo. You need access to the nexus-samples GitHub repository before you access the nexus-samples.
 1. Find the release package marked with 'Latest', download it, extract it, and navigate to the `irt` directory.
 1. Extract the tarball to the local file system: `mkdir -p irt && tar xf nexus-irt.tar.gz --directory ./irt`.
 1. Switch to the new directory `cd irt`.