![]() Activation functions – sigmoid, tanh, ReLU.How to get price data for Bitcoin and cryptocurrencies with python (JSON RESTful API).Aggregate daily OHLC stock price data to weekly (python and pandas).Build custom Miniconda Docker image with Dockerfile.Load stock data from sqlite3 database to Pandas dataframe.Save stock price data from Pandas dataframe to sqlite3 database.Get Stochastic RSI for stocks with Python.Compute weekly RSI from daily stock data.Compute RSI for stocks with python (Relative Strength Index).Compute Bollinger Bands for stocks with Python and Pandas.Compute MACD indicator for stocks with Python.Build simple stock trading bot/advisor in python.Predict stock price trend with machine learning (random forest, scikit, python).You may use this\n domain in literature without prior coordination or asking for permission.\n More approach is convenient for interacting with RESTful APIs that we would not be able to reach otherwise. R = requests.get(f'\n \n\n\n\n\n Example Domain\n This domain is for use in illustrative examples in documents. Local_bind_address=(local_host, local_port), Remote_bind_address=(local_host, local_port), Ssh_private_key='/home/coil/.ssh/id_rsa', Then we can call from our PC following python script to get to get response from "private server" that was accessed via bastion node: from sshtunnel import SSHTunnelForwarder Install python packages on our PC: pip3 install sshtunnel requests Now try logging into the machine, with: "ssh check to make sure that only the key(s) you wanted were connectivity: ssh to Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-135-generic x86_64) usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed - if you are prompted now it is to install the new password: usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed PRIVATE SERVER - web service running on Copy your public key to remote server: ssh-copy-id -i ~/.ssh/id_rsa.pub INFO: Source of key(s) to be installed: "/home/coil/.ssh/id_rsa.pub" REMOTE SERVER - server accessible from VM via RSA key We should get back some simple html from that website. Įxample scenario: we will connect from our linux VM on PC into a remote server that this web runs on and then we will contact website that is running on some random server. Article and code is based on these two related posts:. ![]() We will implement such port forwarding solution with Python sshtunnel library ( ). We can then use port forwarding from our PC to bastion node and let bastion contact API on private server. This bastion node will then have access to the private API on some other private server within VPC. What we can do is to setup special server within the VPC (bastion node) that will allow only SSH acces for my specific user via RSA key. This API is private and not open publicly. PRIVATE SERVER - target server that is running the service we are interested in, this server is reachable from REMOTE SERVER and unreachable from LOCAL CLIENT - - - Įxample application: we have VPC (Virtual Private Cloud) on Amazon AWS, some services are reachable from the internet, but for our own use we have additional RESTful Flask API that is gathering metrics about our users. REMOTE SERVER - bastion node that we can ssh to from LOCAL CLIENT ![]() LOCAL CLIENT - our PC/some server we are connected to already But we have ssh access to another server that CAN connect to the target server that is running the service we want to interact with. This might be caused by for example firewall/routing rules. Note: For instructions to access your EC2 instances with a terminal or a single port forwarding using Systems Manager, see Setting up Session Manager.Let's imagine that we have following situation: we have API/website/some service that is not reachable from our PC/server we are currenly connected to. Ease of use: You can access resources in your private VPC directly from your local machine.Therefore, there is no need to open any inbound rule publicly. The local resource must allow inbound traffic only from the instance acting as bastion host. This allows you to use Session Manager without any inbound connections. Increased Security: This configuration uses only one Amazon Elastic Compute Cloud (Amazon EC2) instance (the bastion host), and connects outbound port 443 to Systems Manager infrastructure.A managed instance that you create acts as a bastion host, or gateway, to your AWS resources. Session Manager tunnels real SSH connections, allowing you to tunnel to another resource within your virtual private cloud (VPC) directly from your local machine. AWS Systems Manager Session Manager uses the Systems Manager infrastructure to create an SSH-like session with an instance.
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