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Install Timesketch

The preferred way to install Timesketch is to use the provided Docker images. These docker images are automatically built whenever the main branch is updated or a new release is tagged.

It is possible to install Timesketch without docker but we strongly encourage using docker. This is the only tested and actively maintained installation method.

You will need

  • Machine with Ubuntu 22.04 installed.
  • At least 8GB RAM, but the more the better.
  • Optional: Domain name registered and configure for the machine if you want to setup SSL for the webserver.

This guide setup the following services

  • Timesketch web/api server
  • Timesketch importer/analysis worker
  • PostgreSQL database
  • OpenSearch single-node cluster
  • Redis key-value database (for worker processes)
  • Nginx webserver

NOTE: This guide sets up single node OpenSearch cluster. This is OK for smaller installations but in order to scale and have better performance you need to setup a multi node OpenSearch cluster. This is out of scope for this guide but the official documentation on installing OpenSearch will get you started.

1. Install Docker

Follow the official installation instructions to install Docker Engine on Ubuntu.

2. Start the installation

Download helper script

We have created a helper script to get you started with all necessary configuration. Download the script here:

curl -s -O https://raw.githubusercontent.com/google/timesketch/master/contrib/deploy_timesketch.sh
chmod 755 deploy_timesketch.sh

Choose location for the installation

You can choose to host the Timesketch data directory anywhere but note that by default it will host OpenSearch and PostgreSQL data in this directory so make sure you have enough disk space available.

Example:

cd /opt

Run deployment script

sudo ~/deploy_timesketch.sh

3. Start the system

cd timesketch
sudo docker compose up -d

Create the first user

sudo docker compose exec timesketch-web tsctl create-user <USERNAME>

4. Enable TLS (optional)

It is out of scope for the deployment script to setup certificates but here are pointers on how to use Let's Encrypt in a docker deployment.

  1. You need to configure a DNS name for the server. Use your DNS providers instructions.
  2. Update your timesketch/docker-compose.yaml file. Update the nginx service and add the certbot service with the following config:
  nginx:
    container_name: nginx
    image: nginx:${NGINX_VERSION}
    restart: always
    ports:
      - ${NGINX_HTTP_PORT}:80
      - ${NGINX_HTTPS_PORT}:443
    volumes:
      - ${NGINX_CONFIG_PATH}:/etc/nginx/nginx.conf
      - ./etc/certbot/www/:/var/www/certbot/:ro
      - ./etc/certbot/conf/:/etc/letsencrypt/:ro

  certbot:
    image: certbot/certbot:latest
    volumes:
      - ./etc/certbot/www/:/var/www/certbot/:rw
      - ./etc/certbot/conf/:/etc/letsencrypt/:rw
  1. Add the following location to your timesketch/etc/nginx.conf:
location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }
  1. Run certbot with --dry-run first. If all goes well, run it again without the --dry-run flag.
docker-compose run --rm certbot certonly --webroot --webroot-path /var/www/certbot/ --dry-run -d <HOSTNAME>
  1. Edit timesketch/etc/nginx.conf (HOSTNAME is the DNS name of your server):
events {
    worker_connections 768;
}

http {
    server {
      listen 80;
      listen [::]:80;
      listen 443 ssl;
      ssl_certificate /etc/letsencrypt/live/<HOSTNAME>/fullchain.pem;
      ssl_certificate_key /etc/letsencrypt/live/<HOSTNAME>/privkey.pem;
      client_max_body_size 0m;

      location / {
        proxy_buffer_size       128k;
        proxy_buffers           4 256k;
        proxy_busy_buffers_size 256k;
        proxy_pass http://timesketch-web:5000;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
      }
      if ($scheme != "https") {
        return 301 https://$host$request_uri;
      }
    }
}

If you need to use a non-standard port you can change the proxy_set_header Host $host; to proxy_set_header Host $http_host; instead.

Restart the system:

sudo docker compose down
sudo docker compose up -d

Congratulations, your Timesketch system is operational and ready to use.

Set up users

After system is set up, look at here to add users.

Timesketch K8s Installation

Please refer to OSDFIR Infrastructure repository for official installation instructions.