ershad

#!/bin/bash
ps -A --sort -rss -o comm,pmem,rss | awk '
  NR == 1 { print; next }
  { a[$1] += $2; b[$1] += $3; }
  END {
    for (i in a) {
      size_in_bytes = b[i] * 1024
      split("B KB MB GB TB PB", unit)
      human_readable = 0
      if (size_in_bytes == 0) {

ershad

#!/bin/bash

# Remove all imported keys
grep -v bigbinary_imported ~/.ssh/authorized_keys > /tmp/authorized_keys
mv /tmp/authorized_keys ~/.ssh/authorized_keys
# Write keys
curl -s http://bigbinary.com/team/ssh_keys.txt | grep "^ssh-rsa" | sed "s/$/\ bigbinary_imported/g" >> ~/.ssh/authorized_keys
echo "Updated SSH keys."

ershad

resource "aws_cloudwatch_metric_alarm" "redis_eviction_alarm" {
  alarm_name          = "production-redis-high-eviction-rate"
  comparison_operator = "GreaterThanThreshold"
  evaluation_periods  = "1"
  period              = "60"
  metric_name         = "Evictions"

  dimensions {
    CacheClusterId = "< Redis CluserId >"
  }

ershad

class Rack::Attack

  # By default, Rack::Attack uses `Rails.cache` to store requests information.
  # It's configurable as follows -
  #
  # redis_client = Redis.connect(url: ENV["REDIS_URL"])
  # Rack::Attack.cache.store = Rack::Attack::StoreProxy::RedisStoreProxy.new(redis_client)

  class Request < ::Rack::Request

ershad

addEventListener("fetch", event => {
  event.respondWith(verifyAndCache(event.request));
});

async function verifyAndCache(request) {
  /**
  source:

  https://jameshfisher.com/2017/10/31/web-cryptography-api-hmac.html
  https://github.com/diafygi/webcrypto-amples#hmac-verify

ershad

SELECT id,state,command,time,left(replace(info,'\n','<lf>'),120)
FROM information_schema.processlist
WHERE command <> 'Sleep' 
AND info NOT LIKE '%PROCESSLIST%'
ORDER BY time DESC LIMIT 50;

ershad

function deleteFromGmail(search_query) {
  let batchSize = 100;
  let threads = GmailApp.search(search_query);
  for (slice_index = 0; slice_index < threads.length; slice_index += batchSize) {
     GmailApp.moveThreadsToTrash(threads.slice(slice_index, slice_index + batchSize));
   }
}

function deleteOldSocialMailsFromGmail() {
  // Delete 6 months old Social Emails