Innocent J. Blacius i-amolo

Change TimeZone in Docker containers

The timezone of a container can be set using an environment variable in the docker container when it is created. For example:

$ docker run ubuntu:latest date
Sat Feb 27 15:58:32 UTC 2021
$ docker run -e TZ=America/Bogota ubuntu:latest date
Sat Feb 27 15:58:40 Asia 2021

This tutorial goes through how to install openssl 1.1.1 on CentOS 7, since the yum repo only installs up to openssl 1.0.

Upgrade the system

yum -y update

A simple demo of using Nginx as a reverse proxy to add basic authentication.

	input {
	kafka{
	codec => json
	bootstrap_servers => "localhost:9092"
	topics => ["elastic-test"]
	}
	}

	filter {
	mutate {

	version: '3'
	services:
	mssql:
	image: mcr.microsoft.com/mssql/server:2017-CU8-ubuntu
	environment:
	- ACCEPT_EULA=Y
	- SA_PASSWORD=Melon40twomonkeys
	ports:
	- '1433:1433'

	<?php
	// check_and_notify.php

	function notifySlack(string $message): void
	{
	$curl = curl_init();
	curl_setopt_array(
	$curl,
	[
	CURLOPT_URL => getSlackUrl(),

	https://stackoverflow.com/questions/33510184/change-mysql-root-password-on-centos7/34207996#34207996

	1. Stop mysql:
	systemctl stop mysqld

	2. Set the mySQL environment option
	systemctl set-environment MYSQLD_OPTS="--skip-grant-tables"

	3. Start mysql usig the options you just set
	systemctl start mysqld

	[loggers]
	keys=root,uicheckapp

	[handlers]
	keys=consoleHandler,detailedConsoleHandler

	[formatters]
	keys=normalFormatter,detailedFormatter

	[logger_root]

	<?php

	namespace App\Controller;

	use App\Utils\Paginator;
	use Doctrine\ORM\EntityManagerInterface;
	use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
	use Symfony\Component\HttpFoundation\Request;
	use Symfony\Component\HttpFoundation\Response;