Chapter 9. Installing KVM for CloudPlatform

patches. It is essential that your hosts are completely up to date with the provided hypervisor patches. The hypervisor vendor is likely to refuse to support any system that is not up to date with patches.

Warning

The lack of up-do-date hotfixes can lead to data corruption and lost VMs.

9.2. Install and configure the Agent

1.Download the operating system that includes KVM (see Section 9.1, “System Requirements for KVM Hypervisor Hosts”) and install it on the host by following the Installation Guide provided with your chosen operating system.

2.After installation, perform the following configuration tasks, which are described in the next few sections.

Required

Optional

 

 

Section 9.3, “Installing the

Section 9.6, “Primary Storage Setup for KVM (Optional)”

CloudPlatform Agent on a KVM

 

Host”

 

 

 

Section 9.4, “Physical Network

 

Configuration for KVM”

 

 

 

Section 9.5, “Time

 

Synchronization for KVM

 

Hosts”

 

 

 

9.3. Installing the CloudPlatform Agent on a KVM Host

Each KVM host must have the CloudPlatform Agent installed on it. This Agent communicates with the Management Server and controls all the instances on the host. Install the CloudPlatform Agent on each host using the following steps.

1. Check for a fully qualified hostname.

# hostname --fqdn

This should return a fully qualified hostname such as "kvm1.lab.example.org". If it does not, edit / etc/hosts so that it does.

2.Remove qemu-kvm. CloudPlatform provides a patched version.

#yum erase qemu-kvm

3.If you do not have a Red Hat Network account, you need to prepare a local Yum repository.

a.If you are working with a physical host, insert the RHEL installation CD. If you are using a VM, attach the RHEL ISO.

b.Mount the CDROM to /media.

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Citrix Systems 4.2 manual Install and configure the Agent, Installing the CloudPlatform Agent on a KVM Host

4.2 specifications

Citrix Systems, a leading provider of virtualization solutions and cloud computing technologies, released version 4.2 of its popular software, Citrix XenApp, which was previously known as Presentation Server. This version marked a significant evolution in providing users with remote access to applications and desktops, emphasizing simplicity, performance, and security.

One of the standout features of Citrix XenApp 4.2 is its improved application streaming capabilities. This technology allows applications to be delivered to users in real-time, reducing the need for extensive local installations and enhancing the user experience. With application streaming, administrators can efficiently manage applications on a central server while ensuring that users have immediate access to the necessary tools.

Another highlight of this version is the enhanced security measures put in place to protect sensitive data. Citrix XenApp 4.2 includes support for SSL encryption, providing a secure communication channel for data transmitted between the server and clients. This is particularly crucial for businesses that need to comply with strict data protection regulations. Additionally, the integration of endpoint security features ensures that unauthorized access to applications is minimized.

Performance enhancements are also a critical focus in this release. Citrix optimized the delivery of applications over various network conditions, ensuring that users experience minimal latency regardless of their location. This was achieved through the incorporation of SmartAccess and SmartControl technologies, which allow administrators to set policies based on user roles, device types, and network conditions. This level of granularity enables organization-wide security without compromising on usability.

The user experience was further improved with a revamped interface, making it easier for end-users to access their applications and data. Simplified menus, clear navigation paths, and the ability to customize user settings contributed to a more efficient workflow, allowing users to focus on their tasks rather than struggling with the software.

Finally, Citrix XenApp 4.2 was designed to be highly scalable. Organizations of all sizes could deploy this solution to deliver applications efficiently, adapting to their specific needs as their user base grows or changes. This flexibility is crucial for businesses looking to future-proof their IT investments while maintaining optimal performance.

In summary, Citrix XenApp 4.2 stands out with its enhanced application streaming, robust security features, improved performance under varying conditions, user-friendly interface, and scalability, making it an ideal choice for organizations seeking to leverage virtualization for remote access to applications and desktops.