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doc/VirtualMachine.md: simplify reboot procedure
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<!-- md-toc-end -->
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<!-- md-toc-begin -->
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* [Virtual Machine](VirtualMachine.md#virtual-machine)
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* [About](VirtualMachine.md#about)
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* [Initial virtual machine set-up](VirtualMachine.md#initial-virtual-machine-set-up)
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* [Prerequisites](VirtualMachine.md#prerequisites)
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* [CPU Virtualization Technology](VirtualMachine.md#cpu-virtualization-technology)
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@ -327,11 +326,11 @@
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* [Download Linux ISO](VirtualMachine.md#download-linux-iso)
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* [Create a new virtual machine](VirtualMachine.md#create-a-new-virtual-machine)
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* [Install Linux in the virtual machine](VirtualMachine.md#install-linux-in-the-virtual-machine)
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* [Configure virtual machine for PBot](VirtualMachine.md#configure-virtual-machine-for-pbot)
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* [Set up serial ports](VirtualMachine.md#set-up-serial-ports)
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* [Reboot virtual machine](VirtualMachine.md#reboot-virtual-machine)
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* [Install software](VirtualMachine.md#install-software)
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* [Install Perl](VirtualMachine.md#install-perl)
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* [Install PBot VM Guest](VirtualMachine.md#install-pbot-vm-guest)
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* [Install software](VirtualMachine.md#install-software)
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* [Start PBot VM Guest](VirtualMachine.md#start-pbot-vm-guest)
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* [Test PBot VM Guest](VirtualMachine.md#test-pbot-vm-guest)
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* [Save initial state](VirtualMachine.md#save-initial-state)
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@ -112,15 +112,12 @@ of choice.
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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
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depending on your hardware and network configuration.
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#### Configure virtual machine for PBot
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Once the install finishes, click the `Reboot` button in the Fedora installer in the virtual machine window.
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#### Set up serial ports
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Now, while the virtual machine is rebooting, switch to a terminal on your host system. Go into the
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While the installation is in progress, switch to a terminal on your host system. Go into the
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`applets/compiler_vm/host/devices` directory and run the `add-serials` script to add the `serial-2.xml` and
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`serial-3.xml` files to the configuration for the `pbot-vm` libvirt machine.
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host$ add-serials
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host$ ./add-serials
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This will enable the `/dev/ttyS1` and `/dev/ttyS2` serial ports in the guest and connect them
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to the following TCP addresses on the host: `127.0.0.1:5555` and `127.0.0.1:5556`,
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@ -132,29 +129,15 @@ channel is healthy.
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You may use the `PBOTVM_DOMAIN`, `PBOTVM_SERIAL` and `PBOTVM_HEART` environment variables to override
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the default values. To use ports `7777` and `7778` instead:
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host$ PBOTVM_SERIAL=7777 PBOTVM_HEART=7778 add-serials
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host$ PBOTVM_SERIAL=7777 PBOTVM_HEART=7778 ./add-serials
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If you later want to change the serial ports or the TCP ports, execute the command
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`virsh edit pbot-vm` on the host. This will open the `pbot-vm` XML configuration
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in your default system editor. Find the `<serial>` tags and edit their attributes.
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Now we need to restart the virtual machine itself so it loads the new serial device configuration.
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Switch back to the virtual machine window. Once the virtual machine has rebooted, log in as `root`
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and shut the virtual machine down with:
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guest$ shutdown now -h
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Once the machine has shutdown, bring it right back up with the following commands on the host:
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host$ virsh start pbot-vm
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Now the virtual machine will start back up in the background. To bring up a visible window
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to access the virtual machine, execute:
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host$ virt-viewer pbot-vm
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You should see the guest window after a few seconds. Log in as `root` once the login
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prompt appears.
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#### Reboot virtual machine
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Once the Linux installation completes inside the virtual machine, click the `Reboot` button
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in the installer window. Login as `root` when the virtual machine boots back up.
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#### Install software
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Now we can install any software and programming languages we want to make available
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