Chapter 4. Upgrade Instructions

Note

After upgrade from 3.0.4 to 4.2, if the usage server fails to restart then copy db.properties from /etc/cloudstack/management to /etc/cloudstack/usage. Then start the Usage Server.

16.(VMware only) If you are upgrading from 3.0.6 or beyond and you have existing clusters, additional steps are required to update the existing vCenter password for each VMware cluster.

These steps will not affect running guests in the cloud. These steps are required only for clouds using VMware clusters:

a. Stop the Management Server:

service cloudstack-management stop

b.Perform the following on each VMware cluster: i. Encrypt the vCenter password:

java -classpath /usr/share/cloudstack-common/lib/jasypt-1.9.0.jar

org.jasypt.intf.cli.JasyptPBEStringEncryptionCLI encrypt.sh

input=<_your_vCenter_password_> password="`cat /etc/cloudstack/management/key`"

verbose=false

Save the output from this step for later use. You need to add this in the cluster_details and vmware_data_center tables in place of the existing password.

ii.Find the ID of the cluster from the cluster_details table:

mysql -u <username> -p<password>

select * from cloud.cluster_details;

iii. Update the existing password with the encrypted one:

update cloud.cluster_details set value = <_ciphertext_from_step_i_> where id =

<_id_from_step_ii_>;

iv. Confirm that the table is updated:

select * from cloud.cluster_details;

v.Find the ID of the VMware data center that you want to work with:

select * from cloud.vmware_data_center;

vi. Change the existing password to the encrypted one:

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Citrix Systems 4.2 manual Iii. Update the existing password with the encrypted one
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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.
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