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doc/VirtualMachine.md: simplify reboot procedure

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Pragmatic Software 2022-02-10 16:54:55 -08:00
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doc/README.md
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<!-- md-toc-end --> <!-- md-toc-end -->
<!-- md-toc-begin --> <!-- md-toc-begin -->
* [Virtual Machine](VirtualMachine.md#virtual-machine) * [Virtual Machine](VirtualMachine.md#virtual-machine)
* [About](VirtualMachine.md#about)
* [Initial virtual machine set-up](VirtualMachine.md#initial-virtual-machine-set-up) * [Initial virtual machine set-up](VirtualMachine.md#initial-virtual-machine-set-up)
* [Prerequisites](VirtualMachine.md#prerequisites) * [Prerequisites](VirtualMachine.md#prerequisites)
* [CPU Virtualization Technology](VirtualMachine.md#cpu-virtualization-technology) * [CPU Virtualization Technology](VirtualMachine.md#cpu-virtualization-technology)
@ -327,11 +326,11 @@
* [Download Linux ISO](VirtualMachine.md#download-linux-iso) * [Download Linux ISO](VirtualMachine.md#download-linux-iso)
* [Create a new virtual machine](VirtualMachine.md#create-a-new-virtual-machine) * [Create a new virtual machine](VirtualMachine.md#create-a-new-virtual-machine)
* [Install Linux in the virtual machine](VirtualMachine.md#install-linux-in-the-virtual-machine) * [Install Linux in the virtual machine](VirtualMachine.md#install-linux-in-the-virtual-machine)
* [Configure virtual machine for PBot](VirtualMachine.md#configure-virtual-machine-for-pbot)
* [Set up serial ports](VirtualMachine.md#set-up-serial-ports) * [Set up serial ports](VirtualMachine.md#set-up-serial-ports)
* [Reboot virtual machine](VirtualMachine.md#reboot-virtual-machine)
* [Install software](VirtualMachine.md#install-software)
* [Install Perl](VirtualMachine.md#install-perl) * [Install Perl](VirtualMachine.md#install-perl)
* [Install PBot VM Guest](VirtualMachine.md#install-pbot-vm-guest) * [Install PBot VM Guest](VirtualMachine.md#install-pbot-vm-guest)
* [Install software](VirtualMachine.md#install-software)
* [Start PBot VM Guest](VirtualMachine.md#start-pbot-vm-guest) * [Start PBot VM Guest](VirtualMachine.md#start-pbot-vm-guest)
* [Test PBot VM Guest](VirtualMachine.md#test-pbot-vm-guest) * [Test PBot VM Guest](VirtualMachine.md#test-pbot-vm-guest)
* [Save initial state](VirtualMachine.md#save-initial-state) * [Save initial state](VirtualMachine.md#save-initial-state)

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doc/VirtualMachine.md
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Installation will need to download about 328 RPMs consisting of about 425 MB. It'll take 5 minutes to an hour or longer Installation will need to download about 328 RPMs consisting of about 425 MB. It'll take 5 minutes to an hour or longer
depending on your hardware and network configuration. depending on your hardware and network configuration.
#### Configure virtual machine for PBot
Once the install finishes, click the `Reboot` button in the Fedora installer in the virtual machine window.
#### Set up serial ports #### Set up serial ports
Now, while the virtual machine is rebooting, switch to a terminal on your host system. Go into the While the installation is in progress, switch to a terminal on your host system. Go into the
`applets/compiler_vm/host/devices` directory and run the `add-serials` script to add the `serial-2.xml` and `applets/compiler_vm/host/devices` directory and run the `add-serials` script to add the `serial-2.xml` and
`serial-3.xml` files to the configuration for the `pbot-vm` libvirt machine. `serial-3.xml` files to the configuration for the `pbot-vm` libvirt machine.
host$ add-serials host$ ./add-serials
This will enable the `/dev/ttyS1` and `/dev/ttyS2` serial ports in the guest and connect them This will enable the `/dev/ttyS1` and `/dev/ttyS2` serial ports in the guest and connect them
to the following TCP addresses on the host: `127.0.0.1:5555` and `127.0.0.1:5556`, to the following TCP addresses on the host: `127.0.0.1:5555` and `127.0.0.1:5556`,
@ -132,29 +129,15 @@ channel is healthy.
You may use the `PBOTVM_DOMAIN`, `PBOTVM_SERIAL` and `PBOTVM_HEART` environment variables to override You may use the `PBOTVM_DOMAIN`, `PBOTVM_SERIAL` and `PBOTVM_HEART` environment variables to override
the default values. To use ports `7777` and `7778` instead: the default values. To use ports `7777` and `7778` instead:
host$ PBOTVM_SERIAL=7777 PBOTVM_HEART=7778 add-serials host$ PBOTVM_SERIAL=7777 PBOTVM_HEART=7778 ./add-serials
If you later want to change the serial ports or the TCP ports, execute the command If you later want to change the serial ports or the TCP ports, execute the command
`virsh edit pbot-vm` on the host. This will open the `pbot-vm` XML configuration `virsh edit pbot-vm` on the host. This will open the `pbot-vm` XML configuration
in your default system editor. Find the `<serial>` tags and edit their attributes. in your default system editor. Find the `<serial>` tags and edit their attributes.
Now we need to restart the virtual machine itself so it loads the new serial device configuration. #### Reboot virtual machine
Switch back to the virtual machine window. Once the virtual machine has rebooted, log in as `root` Once the Linux installation completes inside the virtual machine, click the `Reboot` button
and shut the virtual machine down with: in the installer window. Login as `root` when the virtual machine boots back up.
guest$ shutdown now -h
Once the machine has shutdown, bring it right back up with the following commands on the host:
host$ virsh start pbot-vm
Now the virtual machine will start back up in the background. To bring up a visible window
to access the virtual machine, execute:
host$ virt-viewer pbot-vm
You should see the guest window after a few seconds. Log in as `root` once the login
prompt appears.
#### Install software #### Install software
Now we can install any software and programming languages we want to make available Now we can install any software and programming languages we want to make available