Can I use Ksplice (rebootless updates) on Parallels Cloud Server?
Rebootless updates feature is included into Parallels Cloud Server by default. It is not necessary to use any third party applications.
Use the inbuilt utility of Parallels Cloud server
All details are contained in documentation: Rebootless updates
To enable rebootless updates on PCS, the corresponding option should be included into the PCS license.