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

Replacing machine certificates


The HTTP reverse proxy service uses an SSL certificate on Platform Services Controllers (PSC) on all the management nodes and in embedded deployment. You need to provide the following information when replacing SSL certificates using vSphere Certificate Manager:

  • Administrator password of vSphere

  • Custom certificate authority file

  • Custom SSL certificate file

  • Custom SSL key file

A certificate must be in CRT format and x509 version 3. Its key size should be 2048 bits or more and it should be encoded in PEM format. The certificate's SubjectAltName should consist of DNS Name = Machine.FQDN. Further, it should also contain key usages digital signature, key encipherment, and non-repudiation:

  1. Go to the /usr/lib/vmware-vmca/bin directory and run Certificate-Manager:

    ./certificate-manager
    
  2. Select the first option: Replace Machine SSL certificate with Custom Certificate.

  3. The certificate-manager utility will ask for your vCenter Server SSO password. Enter the password when prompted...