Murat Gözel muratgozel

Senior software developer.

muratgozel / constants.js

Last active December 15, 2021 10:34

Sheet size and cost computation of the machine.

	function constants() {
	const data = {
	T: { // levha kalınlıkları
	single: 3,
	double: 5
	},
	tCostFactor: { // levha maliyetleri
	single: 5.5,
	double: 8.5
	},

muratgozel / findDockerServiceIdByName.js

Created October 27, 2021 14:15

Find docker service id by service name in docker compose.

	import {execSync} from 'child_process'

	const service = 'some_service'
	const containerId = execSync(`docker ps -f name=${service} --quiet`).toString().trim()

muratgozel / postgresql.js

Last active October 6, 2021 23:02

	// filtering something by its lifetime with slonik
	const filterByLifetimeQuery = sql`
	select id
	from eventlog
	where
	code=${code} and
	payload=${sql.json(payload)} and
	created_at + interval '1 second' * ${parseInt(ctx.threshold)} > now()
	`

muratgozel / sample-nginx.conf

Last active June 4, 2021 14:47

	user nginx;
	worker_processes auto;
	error_log syslog:server=unix:/dev/log notice;
	pid /var/run/nginx.pid;

	#load_module modules/ngx_http_brotli_filter_module.so;
	#load_module modules/ngx_http_brotli_static_module.so;

	events {
	worker_connections 1024;

muratgozel / configure_directory_permissions.sh

Last active November 2, 2020 09:37

Configure existing and future file and folder user and group permissions recursively in linux.

	#!/bin/bash

	SAMPLE_DIR=/mnt/some-volume

	# change ownership of the directory and all of its contents
	chown -R cmsman:cmsteam $SAMPLE_DIR
	# change permissions of the directory and all of its contents
	chmod -R u=rwX,g=rwX,o-rwx $SAMPLE_DIR
	# set uid and gid
	chmod -R u+s $SAMPLE_DIR

muratgozel / gen_rsa_key_pair.sh

Created October 26, 2020 15:57

Generate RSA private and public key pair with OpenSSL.

	openssl genrsa -out cms_auth_key.pem 4096
	openssl rsa -in cms_auth_key.pem -outform PEM -pubout -out cms_auth_key_public.pem

muratgozel / cross-browser-performance-library.js

Created February 9, 2020 10:39

Tiny, cross browser frontend performance checking library.

	/*
	*
	* Purformance
	*
	* Simply use mark and measure methods similar to native performance api.
	*
	* Native performance methods are not supported by browsers
	* and there is no better way to measure performance than Date.getTime()
	* in those cases.
	*

muratgozel / resolving_no_space_left_error.md

Created January 29, 2020 09:27

Resolving no space left on device error.

Check which filesystem doesn't have any space left:

sudo df -h

Check which folder uses this space most:

sudo find / -xdev -printf '%h\n' | sort | uniq -c | sort -k 1 -n

muratgozel / nodejs-simple-file-server.js

Created November 28, 2019 12:07

Simple node.js server that serves files under a certain directory.

	/*
	*
	* usage: node server.js folder port
	* - folder is "." by default which is the current directory where node has been executed.
	* - port is "8080" by default and you can specify any available port in your OS.
	*
	*/

	const http = require('http')
	const fs = require('fs')

muratgozel / timeago.js

Created November 6, 2019 20:29

	function configureTimeAgo(element) {
	const elementID = element.getAttribute('id')
	let updater = setInterval(function() {
	const elementStillExistInDOM = document.getElementById(elementID)
	if (!elementStillExistInDOM) {
	clearInterval(updater)
	return;
	}

	const seconds = (Date.now() - parseFloat(element.dataset.timestamp)) / 1000