Use common Client OS attributes for KernelCare (#3511)

guides/common/assembly_using-kernelcare.adoc

@@ -5,14 +5,17 @@ include::modules/proc_installing-the-kernelcare-plugin.adoc[leveloffset=+1]
 ifdef::katello,orcharhino[]
 include::modules/con_kernelcare_client.adoc[leveloffset=+1]
 
-:os_major: 9
+:parent-client-os-major: {client-os-major}
+:client-os-major: 9
 include::modules/proc_creating-kernelcare-repositories-el.adoc[leveloffset=+2]
 
-:os_major: 8
+:client-os-major: 8
 include::modules/proc_creating-kernelcare-repositories-el.adoc[leveloffset=+2]
 
-:os_major: 7
+:client-os-major: 7
 include::modules/proc_creating-kernelcare-repositories-el.adoc[leveloffset=+2]
+:client-os-major: {parent-client-os-major}
+:!parent-client-os-major:
 endif::[]
 
 include::modules/proc_installing-the-kernelcare-package-on-hosts.adoc[leveloffset=+1]

guides/common/modules/proc_creating-kernelcare-repositories-el.adoc

@@ -1,16 +1,16 @@
-[id="Creating_KernelCare_Repositories_for_{EL}_{os_major}_{context}"]
-= Creating KernelCare repositories for {EL} {os_major}
+[id="Creating_KernelCare_Repositories_for_{client-os-context}_{client-os-major}_{context}"]
+= Creating KernelCare repositories for {client-os} {client-os-major}
 
 You need to provide the KernelCare client on your hosts to live-patch their Linux kernel.
 
 .Procedure
 . In the {ProjectWebUI}, navigate to *Content* > *Products*.
-. Click *Create Product* to create a product named `KernelCare {EL}`.
+. Click *Create Product* to create a product named `KernelCare {client-os}`.
 For more information, see {ContentManagementDocURL}Creating_a_Custom_Product_content-management[Creating a product] in _{ContentManagementDocTitle}_.
 . On the *Repositories* tab, click *New Repository* to create a repository of type `yum` as follows:
 +
-* *Name*: `KernelCare {EL} {os_major}`
-* *Upstream URL*: `https://repo.cloudlinux.com/kernelcare/{os_major}/x86_64/`
+* *Name*: `KernelCare {client-os} {client-os-major}`
+* *Upstream URL*: `https://repo.cloudlinux.com/kernelcare/{client-os-major}/x86_64/`
 * Optional: Add the KernelCare GPG pub key as content credential: `https://repo.cloudlinux.com/kernelcare/RPM-GPG-KEY-KernelCare`.
 
 +

guides/common/modules/proc_live-patching-hosts-using-kernelcare.adoc

@@ -7,7 +7,6 @@ If the automatic installation of patches is disabled or if you want to install p
 
 .Prerequisites
 * Ensure your hosts have the `kernelcare` package installed.
-* Ensure your hosts run {EL} 7, {EL} 8, or {EL} 9.
 * Ensure your hosts have access to the internet to connect to cloudlinux.com.
 +
 If your host is in a disconnected environment, you can use ePortal by Tuxcare to provide Linux kernel patches.