Merge pull request #29587 from sagidlow/BZ-1834830

Added note and removed arguments

Author: codyhoag

modules/installation-user-infra-machines-pxe.adoc

@@ -97,6 +97,11 @@ the `coreos.live.rootfs_url` parameter value is the location of the
 location of the bootstrap Ignition config file.
 You can also add more kernel arguments to the `APPEND` line to configure networking
 or other boot options.
++
+[NOTE]
+====
+This configuration does not enable serial console access on machines with a graphical console.  To configure a different console, add one or more `console=` arguments to the `APPEND` line.  For example, add `console=tty0 console=ttyS0` to set the first PC serial port as the primary console and the graphical console as a secondary console.  For more information, see link:https://access.redhat.com/articles/7212[How does one set up a serial terminal and/or console in Red Hat Enterprise Linux?].
+====
 
 ** For iPXE:
 +
@@ -113,7 +118,12 @@ and the `coreos.inst.ignition_url` parameter value is the
 location of the bootstrap Ignition config file.
 <2> If you use multiple NICs, specify a single interface in the `ip` option.
 For example, to use DHCP on a NIC that is named `eno1`, set `ip=eno1:dhcp`.
-
++
+[NOTE]
+====
+This configuration does not enable serial console access on machines with a graphical console.  To configure a different console, add one or more `console=` arguments to the `kernel` line.  For example, add `console=tty0 console=ttyS0` to set the first PC serial port as the primary console and the graphical console as a secondary console.  For more information, see link:https://access.redhat.com/articles/7212[How does one set up a serial terminal and/or console in Red Hat Enterprise Linux?].
+====
++
 . Continue to create the machines for your cluster.
 +
 [IMPORTANT]

modules/machine-user-infra-machines-pxe.adoc

@@ -27,18 +27,30 @@ TIMEOUT 20
 PROMPT 0
 LABEL pxeboot
     KERNEL http://<HTTP_server>/rhcos-<version>-installer-live-kernel-<architecture> <1>
-    APPEND initrd=http://<HTTP_server>/rhcos-<version>-installer-live-initramfs.<architecture>.img console=ttyS0 console=tty0 coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/worker.ign coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-installer-live-rootfs.<architecture>.img <2>
+    APPEND initrd=http://<HTTP_server>/rhcos-<version>-installer-live-initramfs.<architecture>.img coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/worker.ign coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-installer-live-rootfs.<architecture>.img <2>
 ----
 <1> Specify the location of the live `kernel` file that you uploaded to your HTTP server.
 <2> Specify locations of the {op-system} files that you uploaded to your HTTP server. The `initrd` parameter value is the location of the live `initramfs` file, the `coreos.inst.ignition_url` parameter value is the location of the worker Ignition config file, and the `coreos.live.rootfs_url` parameter value is the location of the live `rootfs` file. The `coreos.inst.ignition_url` and `coreos.live.rootfs_url` parameters only support HTTP and HTTPS.
++
++
+[NOTE]
+====
+This configuration does not enable serial console access on machines with a graphical console.  To configure a different console, add one or more `console=` arguments to the `APPEND` line.  For example, add `console=tty0 console=ttyS0` to set the first PC serial port as the primary console and the graphical console as a secondary console.  For more information, see link:https://access.redhat.com/articles/7212[How does one set up a serial terminal and/or console in Red Hat Enterprise Linux?].
+====
 
 ** For iPXE:
 +
 ----
-kernel http://<HTTP_server>/rhcos-<version>-installer-kernel-<architecture> console=ttyS0 console=tty0 coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/worker.ign coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-installer-live-rootfs.<architecture>.img <1>
+kernel http://<HTTP_server>/rhcos-<version>-installer-kernel-<architecture> coreos.inst.install_dev=/dev/sda coreos.inst.ignition_url=http://<HTTP_server>/worker.ign coreos.live.rootfs_url=http://<HTTP_server>/rhcos-<version>-installer-live-rootfs.<architecture>.img <1>
 initrd=http://<HTTP_server>/rhcos-<version>-installer-live-initramfs.<architecture>.img <2>
 ----
 <1> Specify locations of the {op-system} files that you uploaded to your HTTP server. The `kernel` parameter value is the location of the `kernel` file, the `coreos.inst.ignition_url` parameter value is the location of the worker Ignition config file, and the `coreos.live.rootfs_url` parameter value is the location of the live `rootfs` file. The `coreos.inst.ignition_url` and `coreos.live.rootfs_url` parameters only support HTTP and HTTPS.
 <2> Specify the location of the `initramfs` file that you uploaded to your HTTP server.
++
++
+[NOTE]
+====
+This configuration does not enable serial console access on machines with a graphical console.  To configure a different console, add one or more `console=` arguments to the `kernel` line.  For example, add `console=tty0 console=ttyS0` to set the first PC serial port as the primary console and the graphical console as a secondary console.  For more information, see link:https://access.redhat.com/articles/7212[How does one set up a serial terminal and/or console in Red Hat Enterprise Linux?].
+====
 
 . Use the PXE or iPXE infrastructure to create the required compute machines for your cluster.