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January 23, 2021 12:04
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ngrok を使って Google Colab に SSH ログインする。 cf. https://qiita.com/hazigin/items/c291adf5dc9ccc13d11f
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| { | |
| "nbformat": 4, | |
| "nbformat_minor": 0, | |
| "metadata": { | |
| "colab": { | |
| "name": "colab-ssh.ipynb", | |
| "provenance": [], | |
| "collapsed_sections": [], | |
| "authorship_tag": "ABX9TyPo3Viz+Rwv1X/SxqDb5TXO", | |
| "include_colab_link": true | |
| }, | |
| "kernelspec": { | |
| "name": "python3", | |
| "display_name": "Python 3" | |
| }, | |
| "accelerator": "TPU" | |
| }, | |
| "cells": [ | |
| { | |
| "cell_type": "markdown", | |
| "metadata": { | |
| "id": "view-in-github", | |
| "colab_type": "text" | |
| }, | |
| "source": [ | |
| "<a href=\"https://colab.research.google.com/gist/pn11/f9ae1c5b6c8933957ba66f6caaa68c9b/colab-ssh.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "6qBRSjqL-cgL" | |
| }, | |
| "source": [ | |
| "import random, string, urllib.request, json, getpass, time" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "XFv7Q_VzE9ur" | |
| }, | |
| "source": [ | |
| "auth_token=\"\"" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "XO2FXBnm-i7I" | |
| }, | |
| "source": [ | |
| "#Generate root password\n", | |
| "password = ''.join(random.choice(string.ascii_letters + string.digits) for i in range(20))" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "c8W42D-t-kub" | |
| }, | |
| "source": [ | |
| "#Download ngrok\n", | |
| "! wget -q -c -nc https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip\n", | |
| "! unzip -qq -n ngrok-stable-linux-amd64.zip" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "eq5gVcaA-puN" | |
| }, | |
| "source": [ | |
| "#Setup sshd\n", | |
| "! apt-get install -qq -o=Dpkg::Use-Pty=0 openssh-server pwgen > /dev/null" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "_0V1Fo0t-wx9" | |
| }, | |
| "source": [ | |
| "#Set root password\n", | |
| "! echo root:$password | chpasswd\n", | |
| "! mkdir -p /var/run/sshd\n", | |
| "! echo \"PermitRootLogin yes\" >> /etc/ssh/sshd_config\n", | |
| "! echo \"PasswordAuthentication yes\" >> /etc/ssh/sshd_config\n", | |
| "! echo \"LD_LIBRARY_PATH=/usr/lib64-nvidia\" >> /root/.bashrc\n", | |
| "! echo \"export LD_LIBRARY_PATH\" >> /root/.bashrc" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "uCXRIY8i-4zs" | |
| }, | |
| "source": [ | |
| "#Run sshd\n", | |
| "get_ipython().system_raw('/usr/sbin/sshd -D &')\n", | |
| "time.sleep(5)" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "6Jx2q4H4_CnI" | |
| }, | |
| "source": [ | |
| "#Create tunnel\n", | |
| "get_ipython().system_raw(f\"./ngrok authtoken {auth_token} && ./ngrok tcp 22 &\")\n", | |
| "time.sleep(5)" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "Q7wCLTIaENd3" | |
| }, | |
| "source": [ | |
| "!ps -aux" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "metadata": { | |
| "id": "1OVzHUHp_Iml" | |
| }, | |
| "source": [ | |
| "#Get public address and print connect command\n", | |
| "with urllib.request.urlopen('http://localhost:4040/api/tunnels') as response:\n", | |
| " data = json.loads(response.read().decode())\n", | |
| " (host, port) = data['tunnels'][0]['public_url'][6:].split(':')\n", | |
| " print(f'SSH command: ssh -p{port} root@{host}')\n", | |
| "\n", | |
| "#Print root password\n", | |
| "print(f'Root password: {password}')" | |
| ], | |
| "execution_count": null, | |
| "outputs": [] | |
| }, | |
| { | |
| "cell_type": "markdown", | |
| "metadata": { | |
| "id": "xzv0OZzrGLgX" | |
| }, | |
| "source": [ | |
| "エラーになる場合は右上の Magene Sessions から使ってないセッションを terminate してみる (ngrok の制限で1セッションしか使えないため)\n", | |
| "" | |
| ] | |
| } | |
| ] | |
| } |
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