alexxlabs

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

alexxlabs

Introduction

The following options that aren't in the kvm brand should work:

• com1, com2
  • Can be set to tty-like devices or socket,/some/path.
  • If both are unset, com1 defaults to /dev/zconsole and com2 defaults to /tmp/vm.ttyb.
• bootrom
  • Should be set to /usr/share/bhyve/BHYVE_UEFI.fd or /usr/share/bhyve/BHYVE_UEFI_CSM.fd
• Defaults to /usr/share/bhyve/BHYVE_UEFI_CSM.fd

alexxlabs

#! /usr/local/bin/bash
#
# Calomel.org 
#     https://calomel.org/zfs_health_check_script.html
#     FreeBSD 9.1 ZFS Health Check script 
#     zfs_health.sh @ Version 0.15

# Check health of ZFS volumes and drives. On any faults send email. In FreeBSD
# 10 there is supposed to be a ZFSd daemon to monitor the health of the ZFS
# pools. For now, in FreeBSD 9, we will make our own checks and run this script

alexxlabs

#include <signal.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <sys/un.h>
#include <errno.h>
#include <sys/signal.h>
#include <wait.h>

alexxlabs

#!/bin/bash
#
# Bash must have been compiled with this ability: --enable-net-redirections
# The device files below do not actually exist.
# Use /dev/udp for UDP sockets

exec 3<>/dev/tcp/host/port

# Write to the socket as with any file descriptor
echo "Write this to the socket" >&3

alexxlabs

{
  "alias": "hass",
  "brand": "lx",
  "autoboot": true,
  "quota": 20,
  "delegate_dataset": true,
  "kernel_version": "4.3.0",
  "image_uuid": "7b5981c4-1889-11e7-b4c5-3f3bdfc9b88b",
  "max_physical_memory": 1024,
  "nics": [

alexxlabs

SmartLogin only works with SmartOS zones. Control of key-based access to bhyve, kvm, and lx isntances can be accomplished using OpenSSH's authorized keys command to fetch authorized keys from the metadata service.

Guest Setup

The guest OS needs to have the following added to {{/etc/ssh/sshd_config}}.

AuthorizedKeysCommand /usr/sbin/mdata-get "%u_authorized_keys"
AuthorizedKeysCommandUser mdataget

alexxlabs

Adding a new disk to a bhyve vm takes a few steps.

  1.  increase the quota on the zfs dataset to accomodate the additional
      space.
  2.  create a zvol inside the zone
  3.  stop the vm and update its configuration to reflect the change
  4.  start the vm, login and use the disk

# update quota

alexxlabs

{
  "brand": "bhyve",
  "alias": "centomdano",
  "hostname": "centodano",
  "dns_domain": "example.com",
  "vcpus": 2,
  "ram": 4096,
  "resolvers": ["8.8.8.8", "8.8.4.4"],
  "disks": [
    {

alexxlabs

# remove any existing dynamic module 
if ($null -ne (Get-Module -Name "alexxlabs-core")) {
	Remove-Module -Name "alexxlabs-core" -Force
}

# Helper functions which need to be defined before the module is loaded
# See https://github.com/JanDeDobbeleer/oh-my-posh/discussions/2300
function global:test {
	Write-Host "! test !"
	return 0