Ben Chuanlong Du's Blog

And let it direct your passion with reason.

Manage Docker Images and Containers

  1. It is suggested that you use osquery or dockeree to query Docker images, containers, etc.

Remove Containers

Note that running containers will NOT be removed by default. This is what users want generally speaking. You can use the option -f to force removing running containers, but use it with caution …

Tips on Bytehound

Bytehound works with Rust stable (Rust nightly is not required) .

Installation

apt-get install gcc nodejs npm
npm install -g yarn
cargo build --release -p bytehound-preload
cargo build --release -p bytehound-cli

Or if you use icon,

icon bytehound -ic

Usage

Run your application with bytehound to collect memory usage data.

export …

GitHub API

Shell Command - gh

gh is GitHub's official command-line tool. Persoanlly, I'm not a fan of gh mainly because I'm not a fan of writing complicated (>10 lines) shell scripts.

Python Bindings - ghapi

  1. ghapi provides 100% always-updated coverage of the entire GitHub REST API by automatically converting the OpenAPI spec to a Pythonic API. ghapi is always up to date with the latest changes to GitHub APIs.

Hands on the Python Library pexpect

Tips and Traps

  1. The command-line tool of some (e.g., network) applications might be slow to authenticate. If you use pexect to automate such a command-line tool, it is best to wait for sometime after sending password using child.sendline(passwd). If the authentication has ouput on both success and failure, a smart way is to wait for the success or failure message to come out.

IPython Is the Best Shell

IPython is the Best Shell!

  1. Use IPython as much as possible.

    • IPython has virtues of both shell and Python.
    • You should avoid using shell scripts for complicate tasks any way.

  2. If you do want to use a Unix/Linux shell, I'd suggest you stick to Bash unless Linux distributions start …