Leandro Loiacono lloiacono

lloiacono / zshrc

Created July 2, 2018 07:19

history datetime

	#Temp
	HISTTIMEFORMAT="%d/%m/%y %T "

	#Persistent
	echo 'export HISTTIMEFORMAT="%d/%m/%y %T "' >> ~/.zshrc
	source ~/.zshrc

lloiacono / es_array.sh

Created October 7, 2018 18:38

ES painless script example: remove element from array

	curl -X POST \
	http://some:port/indexname/_doc/docId/_update \
	-H 'Cache-Control: no-cache' \
	-H 'Content-Type: application/json' \
	-d '{
	"script": {
	"lang": "painless",
	"inline": "ctx._source.first_name.remove(ctx._source.first_name.length - 1)"
	}
	}'

lloiacono / jpeg_optim.sh

Created November 23, 2018 10:14

Jpeg optimization

find . -type f -name '.jpeg' -o -name '.jpg' -exec jpegoptim --strip-all --max=83 -p {} \;

lloiacono / find_match_before_search.sh

Created November 29, 2018 13:56

Find first occurrence of STRING before search STRING

awk '/company_id/ {search_string=$0} /empty_before_import": true/ {print search_string FILENAME " " NR}' error_queue.*.log

lloiacono / kafka-tools.sh

Created February 12, 2019 12:31

Kafka-tools

	#!/usr/bin/env bash
	##
	# Source this in your .bashrc
	##

	set -o pipefail

	kafka_avro_schema_id() {
	if [ $# -ne 2 ]; then
	echo "Usage $0 <bootstrap-server> <topic[:part:[:offset]]>"

lloiacono / fail2ban-allstatus.sh

Created February 15, 2019 08:06 — forked from kamermans/fail2ban-allstatus.sh

Show status of all fail2ban jails at once

	#!/bin/bash

	JAILS=`fail2ban-client status \| grep "Jail list" \| sed -E 's/^[^:]+:[ \t]+//' \| sed 's/,//g'`
	for JAIL in $JAILS
	do
	fail2ban-client status $JAIL
	done

lloiacono / mx_bukl_lookup.sh

Created February 15, 2019 08:37

Bulk MX lookup with awk and dig

awk '{printf("%s ",$1); system("dig -t mx +short " $0)}' somefile.csv

lloiacono / rabbitmq_set_get_heartbeat.sh

Created July 4, 2019 09:43

RabbitMQ hearbeat set and get

	# Set
	rabbitmqctl eval 'application:set_env(rabbit, heartbeat, 1800).'

	# Get
	rabbitmqctl eval 'application:get_env(rabbit, heartbeat).'

lloiacono / awk_commands

Created April 30, 2020 21:25

AWK useful

	# filter lines by arbitrary value and sorts desc, lines ending with XXXms
	grep 'T18:4' /var/log/some/some.log \| grep 'ms' \| awk '{if($NF-0>500){print $NF-0,$0}}' \| sort -rg -k 1 \| head -10

	# grep text between strings
	grep 'T11' /var/log/some/some.log \| grep 'someText' \| grep -o -P '(?<=TEXT_A).*(?=TEXT_B)' \| sort \| uniq -c \| sort -r \| head -50

lloiacono / mongoDBQueryKiller.js

Created November 17, 2020 16:30

MongoDB query killer

	// kills long running ops in MongoDB (taking seconds as an arg to define "long")
	// attempts to be a bit safer than killing all by excluding replication related operations
	// and only targeting queries as opposed to commands etc.

	killLongRunningOps = function(maxSecsRunning) {
	currOp = db.currentOp();
	for (oper in currOp.inprog) {
	op = currOp.inprog[oper-0];
	if (op.secs_running > maxSecsRunning && op.op == "query" && !op.ns.startsWith("local")) {
	print("Killing opId: " + op.opid