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@krisek
krisek / alert.rules.yml
Last active June 15, 2024 17:12
Prometheus alert rules for node exporter
groups:
- name: node_exporter_alerts
rules:
- alert: Node down
expr: up{job="monitoring-pi"} == 0
for: 2m
labels:
severity: warning
annotations:
title: Node {{ $labels.instance }} is down
@tombigel
tombigel / README.md
Last active June 3, 2024 00:19 — forked from a2ikm/limit.maxfiles.plist
How to Change Open Files Limit on OS X and macOS Sierra (10.8 - 10.12)

How to Change Open Files Limit on OS X and macOS

This text is the section about OS X Yosemite (which also works for macOS Sierra) from https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/#mac-os-x

The last time i visited this link it was dead (403), so I cloned it here from the latest snapshot in Archive.org's Wayback Machine https://web.archive.org/web/20170523131633/https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/

Mac OS X

To check the current limits on your Mac OS X system, run:

@claus
claus / ipfs-server-setup.md
Last active May 9, 2023 03:51
Host Your Site Under Your Domain on IPFS

Host Your Site Under Your Domain on IPFS

This is a step-by-step tutorial for hosting your website under your domain on IPFS, from zero, on a DigitalOcean Ubuntu 16.04.3 x64 Droplet (i am using the $10 variant with 2GB RAM).

Install IPFS

Log in as root.

First, make sure the system is up to date, and install tar and wget:

@teknoraver
teknoraver / unixhttpc.go
Last active March 21, 2024 11:48
HTTP over Unix domain sockets in golang
package main
import (
"context"
"flag"
"fmt"
"io"
"net"
"net/http"
"os"

Crystal vs Node.js Websocket Benchmark

Crystal 0.9.1 with Kemal

require "kemal"

ws "/" do |socket|
  socket.on_message do |message|
 end
@stupidbodo
stupidbodo / aes_encryption.go
Last active January 3, 2024 10:29
AES Encryption Example in Golang
// Playbook - http://play.golang.org/p/3wFl4lacjX
package main
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"encoding/base64"