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Red Hat Satellite
6.8
Provisioning Guide
C.2. Creating a Red Hat Enterprise Linux 7 Image

C.2. Creating a Red Hat Enterprise Linux 7 Image

Use this section to create an image in the QCOW2 format using a Red Hat Enterprise Linux 7 ISO file.

Using your web browser, download the Red Hat Enterprise Linux binary ISO file to a temporary location, for example, the Downloads directory.

Copy the Red Hat Enterprise Linux binary ISO file to the /var/lib/libvirt/images/ directory.

cp ~/home/user/Downloads/rhel-server-7.4-x86_64-dvd.iso /var/lib/libvirt/images/

[root@host]# cp ~/home/user/Downloads/rhel-server-7.4-x86_64-dvd.iso /var/lib/libvirt/images/

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Verify that virtbr0 is the virtual bridge:
```
ip a
```
```
[root@host]# ip a
```
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Start libvirtd:
```
systemctl start libvirtd
```
```
[root@host]# systemctl start libvirtd
```
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Navigate to the /var/lib/libvirt/images/ directory:
```
cd /var/lib/libvirt/images/
```
```
[root@host]# cd /var/lib/libvirt/images/
```
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Prepare the QEMU image:

qemu-img create -f qcow2 rhel7.qcow2 8G

[root@host]# qemu-img create -f qcow2 rhel7.qcow2 8G

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Start the installation using virt-install. Use the following example as a guide:

virt-install --virt-type qemu --name rhel7 --ram 2048 \
--cdrom rhel-server-7.4-x86_64-dvd.iso \
--disk rhel7.qcow2,format=qcow2 \
--network=bridge:virbr0 --graphics vnc,listen=0.0.0.0 \
--noautoconsole --os-type=linux --os-variant=rhel7

[root@host]# virt-install --virt-type qemu --name rhel7 --ram 2048 \
--cdrom rhel-server-7.4-x86_64-dvd.iso \
--disk rhel7.qcow2,format=qcow2 \
--network=bridge:virbr0 --graphics vnc,listen=0.0.0.0 \
--noautoconsole --os-type=linux --os-variant=rhel7

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注記

For GUI users, if the instance does not launch automatically, enter the virt-manager command to view the console:

virt-manager

[root@host]# virt-manager

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Follow the steps of the Red Hat Enterprise Linux installation wizard.
1. For the installation source, add an HTTP link to your repository in Red Hat Satellite, for example satellite.example.com/pub/export/RHEL7/content/dist/rhel/server/7/7Server/x86_64/os/
2. For the type of devices your installation uses, select Auto-detected installation media.
3. For the type of installation destination, select Local Standard Disks.
4. For other storage options, select Automatically configure partitioning.
5. For software selection, select Minimal Install.
6. Set the network interface to ON to ensure the interface activates on system start.
7. Enter a host name, and click Apply.
8. Enter a root password.
When the installation completes, reboot the instance and log in as the root user.
Confirm that the network interface is up and that the IP address is assigned:
```
ip a
```
```
# ip a
```
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Confirm that the hostname is correct:
```
hostname
```
```
# hostname
```
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Create a /etc/NetworkManager/conf.d/XX-cloud-image.conf file where XX is a two-digit number that indicates order of precedence. Add the following contents to the file:
```
[main]
dns=none
```
```
[main]
dns=none
```
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Proceed to Configuring a Host for Registration.

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C.2. Creating a Red Hat Enterprise Linux 7 Image

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