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pbot-vm: documentation tweaks
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# Vagrant instructions
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### Install libvirt and QEMU/KVM
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Follow [PBot VM Prerequisites](../../../doc/VirtualMachine.md#prerequisites) up to the [libvirt and QEMU](../../../doc/VirtualMachine.md#libvirt-and-qemu)
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section, then return to this guide.
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### Install Vagrant
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To install vagrant on openSUSE, use:
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@ -16,14 +21,40 @@ If your distribution does not have a `vagrant-libvirt` package or if you need an
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### Start Vagrant Box
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To start a virtual machine, `cd` into one of the PBot-VM Vagrant sub-directories and run:
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To start a virtual machine, `cd` into one of the PBot-VM Vagrant sub-directories and run the following command. This will download
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the appropriate virtual machine image and automatically configure it as a PBot VM Guest.
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vagrant up
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You may pass optional environment variables to override pbot-vm default configuration (see [Virtual Machine](../../../doc/VirtualMachine.md)):
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You may pass optional environment variables to override pbot-vm default configuration (see [PBot VM Environment Variables](../../../doc/VirtualMachine.md#environment-variables)):
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PBOTVM_SERIAL=7777 PBOTVM_HEART=7778 vagrant up
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### Connect to Vagrant Box
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vagrant ssh
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### Start PBot VM Guest Server
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sudo guest-server
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Some distributions may require you to specify the full path:
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sudo /usr/local/bin/guest-server
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### Start PBot VM Host Server
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After starting the guest-server, you must now start the host server.
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../host/bin/vm-server
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### Test PBot VM
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In your instance of PBot, the `sh` and `cc`, etc, commands should now produce output:
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<pragma-> sh echo Hello world!
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<PBot> Hello world!
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### Shutdown Vagrant Box
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vagrant halt
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@ -37,10 +68,13 @@ You may pass optional environment variables to override pbot-vm default configur
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vagrant box list
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vagrant box remove <name>
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### (Optional) Install Alterantive Vagrant Box
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### (Optional) Install Alternative Vagrant Box
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To install an alternative Vagrant box with your preferred OS/distribution, search for one at https://app.vagrantup.com/boxes/search
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and then run the following command to download its Vagrantfile:
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and then make a new directory, e.g. FreeBSD-14, and copy one of the existing PBot-VM Vagrantfiles into
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this directory, and then edit the `config.vm.box` line to point at the chosen OS/distribution, e.g. `freebsd/FreeBSD-14.0-CURRENT`.
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Some boxes may have specific settings that you may need to copy over. To obtain and examine the box's Vagrantfile:
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vagrant init <OS/distribution>
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@ -5,6 +5,7 @@
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<!-- md-toc-begin -->
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* [QuickStart](QuickStart.md#quickstart)
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* [Installation](QuickStart.md#installation)
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* [Docker](QuickStart.md#docker)
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* [Installing Perl](QuickStart.md#installing-perl)
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* [Installing PBot](QuickStart.md#installing-pbot)
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* [git (recommended)](QuickStart.md#git-recommended)
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@ -319,6 +320,11 @@
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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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* [Installation methods](VirtualMachine.md#installation-methods)
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* [libvirt and QEMU (recommended)](VirtualMachine.md#libvirt-and-qemu-recommended)
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* [Vagrant (experimental)](VirtualMachine.md#vagrant-experimental)
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* [Host vs guest](VirtualMachine.md#host-vs-guest)
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* [Environment variables](VirtualMachine.md#environment-variables)
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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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@ -332,14 +338,18 @@
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* [QEMU](VirtualMachine.md#qemu)
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* [Install Linux in the virtual machine](VirtualMachine.md#install-linux-in-the-virtual-machine)
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* [Set up serial ports](VirtualMachine.md#set-up-serial-ports)
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* [libvirt](VirtualMachine.md#libvirt-1)
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* [QEMU](VirtualMachine.md#qemu-1)
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* [Set up virtio-vsock](VirtualMachine.md#set-up-virtio-vsock)
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* [libvirt](VirtualMachine.md#libvirt-2)
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* [QEMU](VirtualMachine.md#qemu-2)
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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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* [Install host packages](VirtualMachine.md#install-host-packages)
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* [Initial virtual machine set-up complete](VirtualMachine.md#initial-virtual-machine-set-up-complete)
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* [Start PBot VM Host](VirtualMachine.md#start-pbot-vm-host)
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* [Test PBot](VirtualMachine.md#test-pbot)
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@ -393,50 +393,6 @@ The Tumbleweed installer will automatically reboot to a shell after the installa
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as `root` and run `shutdown now -h`. Then run `virsh start pbot-vm`. (Using `shutdown now -r` to reboot
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will not initialize the new serial/vsock devices.) 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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in the virtual machine. Use the `dnf search` or `zypper se` command or your distribution's documentation
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to find packages. I will soon make available a script to install all package necessary for all
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languages supported by PBot.
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To make use of VM sockets, install the `socat` package:
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Fedora:
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guest$ dnf install socat
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OpenSUSE Tumbleweed:
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guest$ zypper in socat
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For the C programming language you will need at least these:
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Fedora:
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guest$ dnf install libubsan libasan gdb gcc clang
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OpenSUSE Tumbleweed:
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guest$ zypper in libubsan1 libasan8 gdb gcc clang
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Install packages for other languages as desired.
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### Install Perl
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Now we need to install Perl on the guest. This allows us to run the PBot VM Guest server
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script.
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Fedora:
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guest$ dnf install perl-interpreter perl-lib perl-IPC-Run perl-JSON-XS perl-English perl-IPC-Shareable
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OpenSUSE Tumbleweed:
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guest$ zypper in perl-IPC-Run perl-JSON-XS make gcc
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guest$ cpan i IPC::Shareable
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This installs the minium packages for the Perl interpreter (note we used `perl-interpreter` instead of `perl`),
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as well as a few Perl modules.
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### Install PBot VM Guest
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Next we install the PBot VM Guest server script that fosters communication between the virtual machine guest
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and the physical host system. We'll do this inside the virtual machine guest system, logged on as `root`
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@ -456,17 +412,16 @@ Once that's done, run the following command:
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This will install `guest-server` to `/usr/local/bin/`, set up some environment variables and
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harden the guest system. Additionally, it'll autodetect your chosen OS/distribution and attempt
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to run any provisioning scripts from the `./guest/provision` directory. If no provisioning
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scripts are available, it will warn you to manually install the packages for the `cc` languages
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you want to use. You may use `./guest/provision/tumbleweed` as a reference.
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to run any provisioning scripts from the [`./guest/provision`](../applets/pbot-vm/guest/provision) directory.
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After running the `setup-guest` script, we need to make the environment changes take effect:
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guest$ source /root/.bashrc
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We no longer need the `/tmp/guest/` stuff. We can delete it:
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guest$ rm -rf guest/
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### Install software
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If you received the message `!! No provisioning script available for $OS. Install packages manually. !!`,
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you must manually install any software and programming languages you want to make available
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in the virtual machine. To do so, follow one of the [PBot VM provisioning scripts](../applets/pbot-vm/guest/provision/) as a guide.
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### Start PBot VM Guest
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We're ready to start the PBot VM Guest server. On the guest, as `root`, execute the command:
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@ -478,7 +433,8 @@ this running.
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### Test PBot VM Guest
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Let's make sure everything's working up to this point. On the host, there should
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be two open TCP ports on `5555` and `5556`. On the host, execute the command:
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be two open TCP ports on `PBOTVM_SERIAL` and `PBOTVM_HEART` (default values `5555` and `5556`).
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On the host, execute the command:
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host$ nc -zv 127.0.0.1 5555-5556
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