CLOUD

Note

In case article is applicable only to CF2 cloud, it will have an orange badge at the start of the article:

• How to access the VM from OpenStack console on WEkEO Elasticity
  • What We Are Going To Cover
  • Prerequisites
  • Using console for administrative tasks within Linux based VMs
  • Using console to perform administrative tasks within Fedora VMs
• How to clone existing and configured VMs on WEkEO Elasticity
• How to fix unresponsive console issue on WEkEO Elasticity
• How to generate and manage EC2 credentials on WEkEO Elasticity
  • Prerequisites
  • Creating a pair of EC2 credentials
  • Listing EC2 credentials
  • Deleting EC2 credentials
  • What To Do Next
• How to generate or use Application Credentials via CLI on WEkEO Elasticity
  • Prerequisites
  • Step 1 Install OpenStackClient
  • Step 2 CLI Commands for Application Credentials
  • Step 3 The Simplest Way to Create a New Application Credential
  • Step 4 Using All Parameters to Create a New Application Credential
  • Step 5 Enter id and secret Into the clouds.yml File
  • Step 6 Gain Access to the Cloud by Specifying OS_CLOUD or –os-cloud
• How to Use GUI in Linux VM on WEkEO Elasticity and access it From Local Linux Computer
  • What We Are Going To Cover
  • Prerequisites
  • Step 1: Install X2Go client
  • Step 2: Install the desktop environment on your VM
  • Step 3: Connect to your VM using X2Go
  • Troubleshooting - Using the terminal emulator on XFCE
  • Troubleshooting - Keyboard layout
• How To Create a New Linux VM With NVIDIA Virtual GPU in the OpenStack Dashboard Horizon on WEkEO Elasticity
  • What We Are Going To Cover
  • Step 1 Create New Instance with NVIDIA Image Support
  • Step 2 Select Card Model / Flavor
  • Step 3 Finish Creating the Instance
  • Step 4 Issue Commands from the Console
• How to use Docker on WEkEO Elasticity
• How to use Security Groups in Horizon on WEkEO Elasticity
  • Viewing the security groups
  • Creating a new security group
  • Adding security rules to a security group
  • Adding a Security Group to your VM
• How to create key pair in OpenStack Dashboard on WEkEO Elasticity
• How to create new Linux VM in OpenStack Dashboard Horizon on WEkEO Elasticity
• What is an OpenStack domain on WEkEO Elasticity
• What is an OpenStack project on WEkEO Elasticity
• How to install Python virtualenv or virtualenvwrapper on WEkEO Elasticity
• How to start a VM from a snapshot on WEkEO Elasticity
  • a) Volume Snapshot
  • b) Image Snapshot
• Status Power State and dependencies in billing of instance VMs on WEkEO Elasticity
  • Power state while VM is running
  • Power state while VM is turned off
  • Status and its conditions
• How to upload your custom image using OpenStack CLI on WEkEO Elasticity
  • What We Are Going To Cover
  • Prerequisites
  • Always use the latest value of image id
  • Step 1: Check for the presence of the image in your OpenStack cloud
  • Step 2: Know the rules for the image before uploading it
  • Step 3: Upload the image
  • Troubleshooting - Internet connection lost
  • What To Do Next
• VM created with option Create New Volume No on WEkEO Elasticity
• VM created with option Create New Volume Yes on WEkEO Elasticity
• Dashboard Overview Project Quotas And Flavors Limits on WEkEO Elasticity
• How to create a Linux VM and access it from Linux command line on WEkEO Elasticity
  • What We Are Going To Cover
  • Prerequisites
  • Options for creation of a Virtual Machine (VM)
  • Step 1 Start the Launch Instance window and name the virtual machine
  • Step 2 Define the source of the virtual machine
  • Step 3 Define the flavor of the instance
  • Step 4 Define networks for the virtual machine
  • Step 5 Define security groups for VM
  • Step 6 Create a key pair for SSH access
  • Step 7 Create the instance
  • Step 8 Attach a Floating IP to the instance
  • Step 9 Connecting to your virtual machine using SSH
  • What To Do Next
• How to create a Linux VM and access it from Windows desktop on WEkEO Elasticity
  • What We Are Going To Cover
  • Prerequisites
  • Options for creation of a Virtual Machine (VM)
  • Step 1 Start the Launch Instance window and name the virtual machine
  • Step 2 Define the source of the virtual machine
  • Step 3 Define the flavor of the instance
  • Step 4 Define networks for the virtual machine
  • Step 5 Define security groups for VM
  • Step 6 Create a key pair for SSH access
  • Step 7 Create the instance
  • Step 8 Attach a Floating IP to the instance
  • Step 9 Convert your SSH key
  • Step 10 Configure PuTTY
  • Step 11 Save the session settings
  • Step 12 Connect to your virtual machine
  • Using your saved PuTTY session to simplify login
  • What To Do Next
• DNS as a Service on WEkEO Elasticity WAW3-1 Hosting
  • What We Are Going To Cover
  • Prerequisites
  • Step 1 Delegate domain to your registrar’s system
  • Step 2 Zone configuration
  • Step 3 Checking the presence of the domain on the Internet
  • Step 4 Adding new record for the domain
  • Step 5 Adding records for subdomains
  • Step 6 Managing records
  • Limitations
  • What To Do Next
• How to use nested virtualization on Creodias CF2 cloud
  • What We Are Going To Cover
  • Prerequisites
  • Step 1 Test and/or troubleshoot whether nested virtualization is installed
  • Step 2 Guidelines for installing and using the virtualization software
• How to transfer volumes between domains and projects using Horizon dashboard on WEkEO Elasticity
  • What We Are Going To Cover
  • Prerequisites
  • Step 1: Initializing transfer of volume
  • Step 2: Accepting transfer of volume
  • Cancelling transfer of volume
  • What To Do Next
• How to create instance snapshot using Horizon on WEkEO Elasticity
  • The plan
  • What We Are Going To Cover
  • Prerequisites
  • Creating a snapshot of instance which uses ephemeral storage
  • Snapshot of instance which uses persistent storage
  • What To Do Next
• How to start a VM from instance snapshot using Horizon dashboard on WEkEO Elasticity
  • Prerequisites
  • What We Are Going To Cover
  • Creating VM from instance snapshot
  • What can go wrong when recreating instance from instance snapshot
  • Verifying volumes when using persistent storage
  • What To Do Next
• How to create a VM using the OpenStack CLI client on WEkEO Elasticity cloud
  • What We Are Going To Cover
  • Prerequisites
  • Always use the latest value of image id
  • The openstack command to create a VM
  • Step 1: Selecting parameters of the new virtual machine
  • Step 2: Create a virtual machine
  • Step 3 Add a floating IP to the existing VM
  • Step 4: Use SSH to access the VM
  • What To Do Next
• How to create Windows VM on OpenStack Horizon and access it via web console on WEkEO Elasticity
  • What Are We Going To Cover
  • Prerequisites
  • Step 1: Access the Launch Instance menu
  • Step 2: Choose the instance name
  • Step 3: Choose source
  • Step 4: Choose flavor
  • Step 5: Attach networks to your virtual machine
  • Step 6: Choose security groups
  • Step 7: Launch your virtual machine
  • Step 8: Set the Administrator password
  • Step 9: Update Windows
  • What To Do Next