Ubuntu Guide clean-up

Author: sus-admin

_posts/2024-12-11-Cobbler-v3.3.7-Ubuntu-Deployment-Guide.md

@@ -307,7 +307,7 @@ chmod u+x /var/lib/cobbler/triggers/sync/post/fix-ubuntu-systems-GRUB_PXE.sh
 
 > Cobbler is normally a dynamic and responsive app that implements many options, parameters, and configurations on-demand through `edit|add|remove|etc...` actions, not requiring a `cobbler sync` to commit most changes. However, it is recommended to run `cobbler sync` after any changes to a *(Ubuntu)* Cobbler Distro/Profile/System when using Cobbler sync-triggers in this manner, unless you're absolutely certain otherwise.
 >
-> **TIP** Cobbler recommends writing triggers as Python modules and has a lot of good info in their [docs](https://cobbler.readthedocs.io/en/latest/user-guide/extending-cobbler.html#about), but I have only written bash scripts that slowly but surely accomplish my needs.
+> **TIP:** Cobbler recommends writing triggers as Python modules and has a lot of good info in their [docs](https://cobbler.readthedocs.io/en/latest/user-guide/extending-cobbler.html#about), but I have only written bash scripts that slowly but surely accomplish my needs.
 
 Download the latest 3 releases of Ubuntu Server LTS
 
@@ -358,23 +358,20 @@ Create a new Cobbler System to install Ubuntu 20.04 automatically based on the s
 NAME="Ubuntu20-auto" && cobbler system add --name $NAME --profile Ubuntu20-casper-x86_64 --kernel-options "root=/dev/ram0 ramdisk_size=1500000 ip=dhcp url=http://10.0.0.10/cblr/pub/cloud-init/Ubuntu20/ubuntu-20.04.6-live-server-amd64.iso autoinstall cloud-config-url=http://10.0.0.10/cblr/svc/op/autoinstall/system/$NAME" --mac-address "aa:bb:cc:dd:ee:ff" --static true --ip-address "10.0.0.20" --netmask "255.255.255.0" --gateway "10.0.0.1" --name-servers "10.0.0.1 1.1.1.1 10.0.0.10" --hostname "Ubuntu20" --netboot-enabled true && NAME=""
 ```
 
-> Alternatively, configure the Cobbler System kernel-options to run as a MANUAL installation:
+> Alternatively, configure the Cobbler System kernel-options to run as a **manual** installation:
 > 
 > ```shell
 > cobbler system add --name Ubuntu20 --profile Ubuntu20-casper-x86_64 --kernel-options 'root=/dev/ram0 ramdisk_size=1500000 ip=dhcp url=http://10.0.0.10/cblr/pub/cloud-init/Ubuntu20/ubuntu-20.04.6-live-server-amd64.iso autoinstall cloud-config-url=/dev/null' --mac-address "aa:bb:cc:dd:ee:ff"
 > ```
 
-Restart and sync up Cobbler
+Finally, sync up Cobbler, then the **PXE Client** VM can be powered on and should automatically boot to PXE and install Ubuntu 20.04 to the VM HDD using the "Ubuntu20_cloud-init_user-data" *cloud-init* template created above.
+
+- The resulting system will have the `root` super-user account disabled, and will only be accessible with the `ubuntu` user specified in the *cloud-init* config file.
 
 ```shell
-systemctl restart cobblerd && sleep 10
 cobbler sync
 ```
 
-The **PXE Client** VM can now be powered on, and should automatically boot to PXE and install Ubuntu 20.04 to the VM HDD using the "Ubuntu20_cloud-init_user-data" preseed template created above.
-
-    - The resulting system will have the `root` super-user account disabled, and will only be accessible with the `ubuntu` user specified in the *cloud-init* config file.
-
 ## Ubuntu 22.04 PXE Deployment
 
 Take similar steps as above to import and automatically deploy Ubuntu 22.04 LTS Server over PXE, using the original `cloud-init_user-data` autoinstall template created above.
@@ -393,7 +390,6 @@ cobbler profile edit --name Ubuntu22-casper-x86_64 --autoinstall cloud-init_user
 
 NAME="Ubuntu22-auto" && cobbler system add --name $NAME --profile Ubuntu22-casper-x86_64 --kernel-options "root=/dev/ram0 ramdisk_size=1500000 ip=dhcp url=http://10.0.0.10/cblr/pub/cloud-init/Ubuntu22/ubuntu-22.04.5-live-server-amd64.iso autoinstall cloud-config-url=http://10.0.0.10/cblr/svc/op/autoinstall/system/$NAME" --mac-address "aa:bb:cc:dd:ee:ff" --static true --ip-address "10.0.0.22" --netmask "255.255.255.0" --gateway "10.0.0.1" --name-servers "10.0.0.1 1.1.1.1 10.0.0.10" --hostname "Ubuntu22" --netboot-enabled true && NAME=""
 
-systemctl restart cobblerd && sleep 10
 cobbler sync
 ```
 
@@ -437,7 +433,6 @@ First, modify `/var/lib/cobbler/distro_signatures.json` to suppport Ubuntu 24.04
 Sync up Cobbler in order to apply the changes
 
 ```shell
-systemctl restart cobblerd && sleep 10
 cobbler sync
 ```
 
@@ -457,7 +452,6 @@ cobbler profile edit --name Ubuntu24-casper-x86_64 --autoinstall cloud-init_user
 
 NAME="Ubuntu24-auto" && cobbler system add --name $NAME --profile Ubuntu24-casper-x86_64 --kernel-options "root=/dev/ram0 ramdisk_size=1500000 ip=dhcp url=http://10.0.0.10/cblr/pub/cloud-init/Ubuntu24/ubuntu-24.04.1-live-server-amd64.iso autoinstall cloud-config-url=http://10.0.0.10/cblr/svc/op/autoinstall/system/$NAME" --mac-address "aa:bb:cc:dd:ee:ff" --static true --ip-address "10.0.0.24" --netmask "255.255.255.0" --gateway "10.0.0.1" --name-servers "10.0.0.1 1.1.1.1 10.0.0.10" --hostname "Ubuntu24" --netboot-enabled true && NAME=""
 
-systemctl restart cobblerd && sleep 10
 cobbler sync
 ```