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Administrator Guide
This guide describes how to install HCL OneTest™ Server software. After you install the software, you can perform administration tasks such as license configuration, user management, security, memory, and disk usage management, back up and restore user data. This guide is intended for administrators.
Uninstallation of the server software
When you no longer require HCL OneTest™ Server, you can uninstall the server software. You can uninstall the server software depending on the platform on which you installed the server software.
Uninstalling the server software from Ubuntu
When you want to install a new version of server software or to reinstall when an installation fails, you can uninstall the server software and its components from the Ubuntu platform.

Administrator Guide
This guide describes how to install HCL OneTest™ Server software. After you install the software, you can perform administration tasks such as license configuration, user management, security, memory, and disk usage management, back up and restore user data. This guide is intended for administrators.
- Installation of the server software
  To get started with HCL OneTest™ Server, you must first install the server software.
- Server software upgrade methods
  When you want to use the enhanced functionalities of HCL OneTest™ Server, you must upgrade to the latest version of the server software.
- Backing up and restoring the user data
  You might want to restore an earlier environment state if you install a new version of HCL OneTest™ Server, move environments to different systems (both real and virtual), or set up a test environment ready for testing. To address any of these needs, you can back up and restore HCL OneTest Server user data installed either on Ubuntu or on Red Hat OpenShift platform.
- Uninstallation of the server software
  When you no longer require HCL OneTest™ Server, you can uninstall the server software. You can uninstall the server software depending on the platform on which you installed the server software.
  - Uninstalling the server software from Red Hat OpenShift
    When you want to install a new version of server software or to reinstall when an installation fails, you can uninstall the server software and its components from the Red Hat OpenShift platform.
  - Uninstalling the server software from Ubuntu
    When you want to install a new version of server software or to reinstall when an installation fails, you can uninstall the server software and its components from the Ubuntu platform.
- Configuration of the server software
  You can find information about the tasks that you must perform after you installed the server software to configure HCL OneTest™ Server.
- Team space administration
  You can find information about team spaces including the initial team space on HCL OneTest™ Server along with the tasks that you can perform to administer a team space.

Uninstalling the server software from Ubuntu

When you want to install a new version of server software or to reinstall when an installation fails, you can uninstall the server software and its components from the Ubuntu platform.

Before you begin

You must have completed the following tasks:

Installed HCL OneTest™ Server software.
Closed HCL OneTest™ Server, any open web browsers, and all other applications that are enabled by HCL OneTest™ Server.
Optional: Backed up data from the previous version of the product.

Procedure

Use an SSH session to log in to the Ubuntu server.
Run the following command to stop the workload that is running:
```
kubectl delete all,cm,secret -lexecution-marker -n test-system
```
Remember: test-system is the name of the namespace. If you created a namespace by using a different value, then you must use that value in place of the test-system in all the instances in this procedure.
Run the following command to uninstall the server software:
```
helm uninstall {my-ots} -n test-system
```
The PersistentVolumeClaims and PersistentVolumes that were created during the installation are not deleted automatically. If you reinstall the server software, the user data is reused unless you specifically delete those volumes.
Note: You must substitute {my-ots} with the same release name that you used during the installation of the server software.
Run the following commands to delete the entire Kubernetes environment, including all user data:
```
#Run the following command if you are on Ubuntu 18.04
cd hcl-onetest-base
sudo ./ubuntu-wipe.sh --confirm

#Run the following command if you are on Ubuntu 20.04
cd hcl-onetest-base
sudo HOME=$HOME ./ubuntu-wipe.sh --confirm
```
After you run this command, the system returns to the same state as if ubuntu-init.sh was never run.

Important: If you want to migrate data from a previous version to the latest version of the product, then you must have taken the backup of data before you run this command.

Results

You have uninstalled the server software from the Ubuntu platform.