Reazul Islam reazul-islam

Docker environment setup guide

mkdir database/mysql -p
mkdir apache/data -p
mkdir projects

Docker Install

sudo apt-get install \

Docker and Docker Compose Setup

sudo apt update
sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt install docker-ce
sudo docker --version

Building and Pushing Docker Images

docker --help

docker image --help

docker image build -t web1 .

docker image inspect web1

	<?php

	class Helper
	{
	public static $bn = ['১', '২', '৩', '৪', '৫', '৬', '৭', '৮', '৯', '০'];
	public static $en = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0'];


	public static function bn2en($number)
	{

	<?php

	function backwardsPrime($start, $stop)
	{
	$result = [];
	for ($val = $start; $val <= $stop; $val++) {
	if ((isPrimeCheck($val) && isPrimeCheck(strrev($val)) && $val != strrev($val))) {
	$result[] = $val;
	}
	}

	#!/bin/bash

	memtotal=$(free \| grep Mem \| awk '{ print $2 }')
	memuse=$(free \| grep Mem \| awk '{ print $3 }')
	let "memusepercent = $memuse * 100 / $memtotal "
	let "memtolerance = ($memtotal * 90)/100 "
	echo "MemTotal: $memtotal (Usage tolerance: $memtolerance )"
	echo "MemUsed: $memuse ($memusepercent %)"
	if [ $memuse -ge $memtolerance ]; then
	echo "Memory use over 90%"