2. Managing Virtual Machines and Containers¶

In this chapter:

• 2.1. Creating Virtual Machines and Containers
  • 2.1.1. Choosing OS EZ Templates for Containers
    • 2.1.1.1. Listing OS EZ Templates
    • 2.1.1.2. Installing and Caching OS EZ Templates
  • 2.1.2. Creating Containers
    • 2.1.2.1. Prerequisites for Creating Red Hat Enterprise Linux Containers
  • 2.1.3. Creating Virtual Machines
  • 2.1.4. Supported Guest Operating Systems
• 2.2. Performing Initial Configuration of Virtual Machines and Containers
  • 2.2.1. Using cloud-init for Virtual Machine Guest Initialization
  • 2.2.2. Installing Virtuozzo Guest Tools
  • 2.2.3. Configuring Network Settings
  • 2.2.4. Setting Passwords for Virtual Machines and Containers
  • 2.2.5. Setting Startup Parameters
• 2.3. Starting, Stopping, Restarting, and Querying Status of Virtual Machines and Containers
  • 2.3.1. Starting Virtual Machines and Containers
  • 2.3.2. Stopping Virtual Machines and Containers
  • 2.3.3. Restarting Virtual Machines and Containers
  • 2.3.4. Checking Status of Virtual Machines and Containers
• 2.4. Listing Virtual Machines and Containers
• 2.5. Cloning Virtual Machines and Containers
  • 2.5.1. Creating Linked Clones
  • 2.5.2. Configuring Default Directories
• 2.6. Suspending Virtual Machines and Containers
• 2.7. Running Commands in Virtual Machines and Containers
• 2.8. Deleting Virtual Machines and Containers
• 2.9. Viewing Detailed Information about Virtual Machines and Containers
• 2.10. Managing Virtual Machine and Container Backups
  • 2.10.1. Creating Virtual Machine and Container Backups
    • 2.10.1.1. Improving Backup Performance
  • 2.10.2. Listing Virtual Machine and Container Backups
  • 2.10.3. Restoring Virtual Machines and Containers from Backups
  • 2.10.4. Deleting Virtual Machine and Container Backups
  • 2.10.5. Backing Up Entire Servers
  • 2.10.6. Attaching Backups to Virtual Machines and Containers
    • 2.10.6.1. Attaching Backups to Linux Virtual Machines
    • 2.10.6.2. Attaching Backups to Windows Virtual Machines
    • 2.10.6.3. Attaching Backups to Linux Containers
  • 2.10.7. Detaching Backups from Virtual Machines and Containers
  • 2.10.8. Best Practices for Handling Page Cache When Using Third-Party Backup Software
    • 2.10.8.1. Performing Backups from the Page Cache Angle
    • 2.10.8.2. Limiting Memory Pressure from Node Processes
• 2.11. Managing Templates
  • 2.11.1. Creating Templates
  • 2.11.2. Listing Templates
  • 2.11.3. Deploying Templates
  • 2.11.4. Migrating Templates
  • 2.11.5. Storing Templates on Virtuozzo Storage
• 2.12. Managing Snapshots
  • 2.12.1. Creating Snapshots
    • 2.12.1.1. Creating Virtual Machine Snapshots
    • 2.12.1.2. Creating Container Snapshots
    • 2.12.1.3. Snapshot Branching
    • 2.12.1.4. Restrictions and Recommendations
  • 2.12.2. Listing Snapshots
  • 2.12.3. Reverting to Snapshots
  • 2.12.4. Deleting Snapshots
• 2.13. Migrating Virtual Machines and Containers
  • 2.13.1. Offline Migration of Virtual Machines and Containers
  • 2.13.2. Live Migration of Virtual Machines and Containers
  • 2.13.3. Migrating VMs and Containers from Virtuozzo 6 to Virtuozzo Hybrid Server 7
• 2.14. Performing Container-Specific Operations
  • 2.14.1. Reinstalling Containers
    • 2.14.1.1. Customizing Container Reinstallation
  • 2.14.2. Repairing Containers
  • 2.14.3. Enabling VPN for Containers
  • 2.14.4. Setting Up NFS Server in Containers
  • 2.14.5. Mounting NFS Shares on Container Start
  • 2.14.6. Managing Container Virtual Disks
    • 2.14.6.1. Adding Virtual Disks to Containers
    • 2.14.6.2. Configuring Container Virtual Disks
    • 2.14.6.3. Deleting Virtual Disks from Containers
  • 2.14.7. Restarting Containers
  • 2.14.8. Creating SimFS-based Containers
  • 2.14.9. Bind-Mounting Host Directories Inside Containers
  • 2.14.10. Checking Consistency of Container File System
• 2.15. Performing Virtual Machine-Specific Operations
  • 2.15.1. Pausing Virtual Machines
  • 2.15.2. Managing Virtual Machine Devices
    • 2.15.2.1. Adding New Devices
    • 2.15.2.2. Initializing Newly Added Disks
    • 2.15.2.3. Configuring Virtual Devices
    • 2.15.2.4. Deleting Devices
  • 2.15.3. Making Screenshots
  • 2.15.4. Assigning Host Devices to Virtual Machines
    • 2.15.4.1. Assigning USB Devices to Virtual Machines
    • 2.15.4.2. Assigning PCI Devices to Virtual Machines
    • 2.15.4.3. Using PCI I/O Virtualization
  • 2.15.5. Configuring IP Address Ranges for Host-Only Networks
  • 2.15.6. Configuring Virtual Machine Crash Mode
  • 2.15.7. Enabling Secure Boot for Virtual Machines