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docs: improve README, update host/group vars, and prerequisites #437

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13 changes: 7 additions & 6 deletions docs/prerequisites.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,23 +18,23 @@
* Once a RHEL server is installed natively on the LPAR, pre-existing or configured by this automation, (i.e. the KVM host), you can use that as the file server.
* If you are not using a pre-existing KVM host(s) and need to create them using this automation, you must use an FTP server because the HMC does not support HTTP.
* A user with sudo and SSH access on that server.
* A DVD ISO file of Red Hat Enterprise Linux (RHEL) 8 for s390x architecture mounted in an accessible folder (e.g. /home/<user>/rhel/ for FTP or /var/www/html/rhel for HTTP)
* A DVD ISO file of Red Hat Enterprise Linux (RHEL) 9 for s390x architecture mounted in an accessible folder (e.g. /home/<user>/rhel/ for FTP or /var/www/html/rhel for HTTP)
* If you do not have RHEL for s390x yet, go to the Red Hat [Customer Portal](https://access.redhat.com/downloads/content) and download it.
* Under 'Product Variant' use the drop-down menu to select 'Red Hat Enterprise Linux for IBM z Systems'
* Double-check it's for version 8 and for s390x architecture
* Then scroll down to Red Hat Enterprise Linux 8.x Binary DVD and click on the 'Download Now' button.
* Double-check it's for version 9 and for s390x architecture
* Then scroll down to Red Hat Enterprise Linux 9.x Binary DVD and click on the 'Download Now' button.
* To pull the image directly from the command-line of your file server, copy the link for the 'Download Now' button and use `wget` to pull it down.
```
wget "https://access.cdn.redhat.com/content/origin/files/sha256/13/13[...]40/rhel-8.7-s390x-dvd.iso?user=6[...]e"
wget "https://access.cdn.redhat.com/content/origin/files/sha256/13/13[...]40/rhel-9.4-s390x-dvd.iso?user=6[...]e"
```
* Don't forget to mount it too:
* FTP:
```
mount <rhel-8.7-s390x-dvd.iso> /home/<user>/rhel
mount <rhel-9.4-s390x-dvd.iso> /home/<user>/rhel
```
* or HTTP:
```
mount <rhel-8.7-s390x-dvd.iso> /var/www/html/rhel
mount <rhel-9.4-s390x-dvd.iso> /var/www/html/rhel
```
* A folder created to store config files (e.g. /home/user/ocp-config for FTP or /var/www/html/ocp-config for http)
* For FTP:
Expand Down Expand Up @@ -92,3 +92,4 @@ In addition make sure that python3 is installed on the jumphost otherwise ansibl
```
yum install python3
```

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