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   "source": [
    "# Known VPN and Proxy Issues"
   ]
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  {
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   "metadata": {},
   "source": [
    "There are a few known issues around WSL2 and Virtualbox VM compatibility with corporate VPNs and proxies."
   ]
  },
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   "source": [
    "## DNS Configuration"
   ]
  },
  {
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   "source": [
    "This issue affects the ability of the VM to reach GitHub, clone repositories, run `pip install` or open any websites from the browser.\n",
    "\n",
    "If your machine was connected to a corporate VPN during setup, the Doman Name Server (DNS) lookup address is set to that of your corporate intranet. To reset it, open an ubuntu session and edit the `resolv.conf` file\n",
    "\n",
    "* `sudo nano /etc/resolv.conf`\n",
    "* comment out existing nameserver address\n",
    "* add new line with `nameserver 8.8.8.8`\n",
    "* save file and restart terminal"
   ]
  },
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   "metadata": {},
   "source": [
    "---"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "33ccd581",
   "metadata": {},
   "source": [
    "## Proxy Server Configuration"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f5cc4d93",
   "metadata": {},
   "source": [
    "This issue affects the ability of the server to run `curl` and other commands addressing various `localhost` ports\n",
    "\n",
    "To fix this, add the NO_PROXY option by running in the Ubuntu command line\n",
    "\n",
    "`export NO_PROXY=\"localhost,127.0.0.1,local.home,*.yourcompany.org,*.yourintranet.org\"`\n",
    "\n",
    "Note: Be sure to change the proxy URLs to those of your organization."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8c06c71d",
   "metadata": {},
   "source": [
    "---"
   ]
  },
  {
   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "![gridappsd-logo](../images/GridAPPS-D_narrow.png)"
   ]
  }
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