| #! /usr/bin/env python | |
| """ | |
| Example of using fcntl.flock for locking file. Some code inspired by filelock module. | |
| """ | |
| import fcntl | |
| import os | |
| import time | |
| # To run this demo: | |
| # uv run https://gist.github.com/lucaspar/9560f11cfefdb19375c22b57f2103c76 | |
| # /// script | |
| # requires-python = ">=3.13" | |
| # dependencies = ["rich"] | |
| # /// | |
| import multiprocessing | |
| import time |
| #!/usr/bin/env bash | |
| # This script installs NVIDIA drivers and container toolkit on RHEL 9. | |
| # It should be safe to run it multiple times: steps are skipped when not needed. | |
| # This is an interactive script: system and services restarts are prompted to the user. | |
| # Source: | |
| # https://gist.github.com/lucaspar/def9198eabc110345c746806e0b90f38/ | |
| set -euo pipefail |
| #!/usr/bin/env bash | |
| # Usage: dckr-volumes [OPTIONS] | |
| # Lists dangling Docker volumes and their sizes. | |
| # Options: | |
| # -h, --help Shows this help message and exit | |
| # -a, --all Lists all Docker volumes and their sizes, not only dangling ones | |
| # --no-header Hides the header | |
| # | |
| set -euo pipefail |
| # Returns success (0) if the argument exists as a program, alias, or a function. | |
| function exists() { | |
| # if no argument, show usage and return false | |
| if [ -z "${1}" ]; then | |
| echo "Usage: exists <program>" | |
| return 1 | |
| fi | |
| command -v "${1}" >/dev/null 2>&1 | |
| } |
| # Source: https://gist.github.com/lucaspar/c6ed7e5654887beeb703b163d9b57712 | |
| # Add this function to your .bashrc, then source it: `source ~/.bashrc` or restart the terminal. | |
| # Helper function for submitting working changes into version control and avoid loss of work. | |
| # Work in Progress (`wip`) will create a temporary commit with your unstaged changes and a | |
| # generic message. When run subsequently and within 24h of the last "wip" commit, it amends | |
| # the last commit to prevent cluttering the commit history. Otherwise it will create a new "wip" | |
| # commit. After a few hours of work, consider amending the "wip" commit with a proper message. | |
| # Usage: | |
| # wip [options] [file_a path_b file_c ...] |
| #!/usr/bin/env bash | |
| # Issues notifications on a Slack channel. | |
| # | |
| # >>> Don't forget to set SLACK_WEBHOOK_URL_DEFAULT to a valid URL <<< | |
| # | |
| # Usage: slack-notify "leave the gun. take the cannoli" | |
| # Source: https://gist.github.com/lucaspar/64c9cf35756d1892e749c1bd735aa0fe | |
| set -euo pipefail | |
| # Slack Notifications |
| /* Paste these lines in Settings > Advanced > Custom CSS */ | |
| /* ================ */ | |
| /* generic elements */ | |
| body { | |
| background-color: rgb(16, 16, 16); | |
| color: rgb(198, 198, 198); | |
| /* font-family: monospace; */ | |
| line-height: 1.8; | |
| } |
| """You probably don't want to run this. | |
| Source: https://stackoverflow.com/a/66109163/2848528 | |
| """ | |
| import logging | |
| import secrets | |
| from typing import Optional | |
| from humanfriendly import format_size |
Tired of "command not found" - these lines will install commonly used tools to debug networking, read logs, and other things.
Start a shell as root inside the container
CONTAINER_KEYWORD="spark"
CONTAINER_NAME=$(docker ps | grep -i "${CONTAINER_KEYWORD}" | head -n 1 | awk '{print $NF}')
echo "CONTAINER_NAME: ${CONTAINER_NAME}"