alexeygrigorev

Hetzner AX41-NVMe Setup

Setup docs for Hetzner AX41-NVMe dedicated server (AMD Ryzen 5 3600, 64 GiB RAM, 2x 512 GB NVMe).

export HETZNERIP="your ip address"

Order: B20260219-3371017-2946215 (19 Feb 2026) Server: AX41-NVMe #2855249, Helsinki (eu-west)

alexeygrigorev

AWS Claude Web Instance Setup

Automated setup of a cheap AWS EC2 instance running Claude Code with a web UI.

Prompt:

create the cheapest instance on aws with 8gb of ram (arm is okay) and use ssh (razer.pem) to get there and install claude there, copy the same config as you use now and make claude

alexeygrigorev

import pandas as pd
from datetime import datetime
from sklearn.linear_model import LinearRegression


def impute_linear(df, X_cols, y_col):
    df = df.copy()
    
    null_values = df[y_col].isnull()
    

alexeygrigorev

import random
import functools

from IPython.display import display, clear_output
from ipywidgets import Button, Dropdown, HTML, HBox, IntSlider, FloatSlider, Textarea, Output


def annotate(examples,
             options=None,
             shuffle=False,

alexeygrigorev

from datetime import datetime
from prefect import task, flow
from prefect import get_run_logger

@task
def hello_task(date):
    logger = get_run_logger()
    logger.info("INFO level log message.")
    logger.info(f'date={date}')
    return date

alexeygrigorev

Move Zoom Recording

I was tired manually moving the recording of the podcast to Dropbox so I decided to automate it

It works for Windows only. For Linux / MacOS you'll need to modify the code for showing messages

Clone the repo

alexeygrigorev

Help with moving data from Slack to DataTalks.Club website!

• Fork the DataTalks.Club website repo
• Run the code in this notebook
  • Check this video if you need any help (https://www.loom.com/share/e7a25dff9fba42e6b1bc6991e1c7e7cd)
• Create a PR with code changes

alexeygrigorev

import sys
import json

NOTEBOOK_FILE = sys.argv[1]
print(f'messing up with {NOTEBOOK_FILE}')


with open(NOTEBOOK_FILE, 'rt') as f_in:
    doc = json.load(f_in)

alexeygrigorev

Cutting videos with FFMpeg without re-encoding

Here's how you use it:

./cut.sh conf2.mp4 out1.mp4 00:00:05 00:53:47

alexeygrigorev

def make_batches(seq, n):
    result = []
    for i in range(0, len(seq), n):
        batch = seq[i:i+n]
        result.append(batch)
    return result