Book Image

VMware vSphere Troubleshooting

Book Image

VMware vSphere Troubleshooting

Overview of this book

VMware vSphere is the leading server virtualization platform with consistent management for virtual data centers. It enhances troubleshooting skills to diagnose and resolve day to day problems in your VMware vSphere infrastructure environment. This book will provide you practical hands-on knowledge of using different performance monitoring and troubleshooting tools to manage and troubleshoot the vSphere infrastructure. It begins by introducing systematic approach for troubleshooting different problems and show casing the troubleshooting techniques. You will be able to use the troubleshooting tools to monitor performance, and troubleshoot issues related to Hosts and Virtual Machines. Moving on, you will troubleshoot High Availability, storage I/O control problems, virtual LANS, and iSCSI, NFS, VMFS issues. By the end of this book, you will be able to analyze and solve advanced issues related to vShpere environment such as vcenter certificates, database problems, and different failed state errors.
Table of Contents (16 chapters)
VMware vSphere Troubleshooting
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Installing VMware vRealize Operations Manager
Power CLI - A Basic Reference
Index

Regenerating certificates


The VMCA root certificate can be regenerated and machine SSL certificates can be replaced with a VMCA-signed certificate. You can also replace the solution user certificates with regenerated certificates.

  1. Run the certificate-manager tool.

    ./certificate-manager
    
  2. Select the fourth option from the wizard: Regenerate a new VMCA Root Certificate and replace all certificates.

  3. When prompted, enter your vCenter Server SSO administrator password.

  4. Click Yes when prompted to continue the operation.

  5. All the services will be restarted at this point, and you will be able to see the status progress of regenerating the certificates on the CLI prompt.

  6. Once successfully completed, the All tasks completed successfully message will be displayed on the screen.

Tip

If you are having troubles with the vSpehre client in your web browser, make sure to delete old certificates from the browser.