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for x in *.js; do mv "$x" "${x%.js}.jsx"; done

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Sample config for 2 million web socket connection

    sysctl -w fs.file-max=12000500
    sysctl -w fs.nr_open=20000500
    # Set the maximum number of open file descriptors
    ulimit -n 20000000

    # Set the memory size for TCP with minimum, default and maximum thresholds 
 sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'

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#!/bin/bash

curl -fsSL https://get.docker.com/rootless | sh

# Content to be added to .bashrc
content='export PATH="$HOME/bin:$PATH"'

# Check if content already exists in .bashrc
if grep -Fxq "$content" ~/.bashrc; then
  echo "Content for bin path already exists in .bashrc. Skipping addition."

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# https://play.golang.org/p/JxqibtHkuO-

func chunkBy(items []string, chunkSize int) (chunks [][]string) {
	for chunkSize < len(items) {
		items, chunks = items[chunkSize:], append(chunks, items[0:chunkSize:chunkSize])
	}

	return append(chunks, items)
}

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# Using this composer in the machines that a specific app runs which opens the port for prometheus
# Using promtail collect logs and publish to external loki
version: '3.8'

networks:
  monitoring:
    driver: bridge

services:
  cadvisor:

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Monitoring Libp2p

Libp2p is one of most commonly used libraries across web3 infrasture. It exposes several metrics compatible with Prometheus.

The official github repo has Grafana dashboard json for a quick start.

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#!/bin/bash
ip neigh show dev wlan0

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1. Set screen blanking: sudo raspi-config nonint do_blanking 0
2. Set lingering: sudo loginctl enable-linger $(whoami)
3. If above two does not work sudo setterm -powerdown 0 and sudo setterm -powersave off

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var removeIllegalCharacters = function(input) {
    return input
        .replace(/=/g, '')
        .replace(/\+/g, '-')
        .replace(/\//g, '_');
};

var base64object = function(input) {
    var inputWords = CryptoJS.enc.Utf8.parse(JSON.stringify(input));
    var base64 = CryptoJS.enc.Base64.stringify(inputWords);