Denis Barsukov bard86

Built-in

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where XXXXX is the size of the RAM disk in terms of memory blocks.

Notes:

OpenJDK 11+ on MacOS X

Manually downloading, extracting and configuring the installation of OpenJDK 11+ is a high-maintenance exercise. Particularly if you need to install and switch between multiple versions of the JDK.

The following options for installing OpenJDK 11+ and switching between versions make the job easier..

Install with Jabba

Jabba is a Java version manager inspired by nvm (Node.js) written in Go.

Про токены, JSON Web Tokens (JWT), аутентификацию и авторизацию. Token-Based Authentication

Last major update: 25.08.2020

Что такое авторизация/аутентификация
Где хранить токены
Как ставить куки ?
Процесс логина
Процесс рефреш токенов
Кража токенов/Механизм контроля токенов

	package ru.sber;

	import java.util.ArrayDeque;
	import java.util.Deque;

	public class Main {
	public static void main(String[] args) {
	MyStack s = new MyStack();
	s.push(1);
	s.push(-2);

	import java.io.IOException;
	import java.util.Vector;

	/**
	* Created by moshee
	* on: 07/06/17
	* to compile in place: `javac ConsumeHeap.java`
	* Execute: `java -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/app-`date +%s`-pid$$.hprof -XX:OnOutOfMemoryError=/opt/app/bin/upload_dump_s3.sh -Xmx2m ConsumeHeap`
	* HeapDumpOnOutOfMemoryError specifies to automatically create a dump when OOM occures
	* HeapDumpPath supplies a path to put that file

	#!/bin/bash
	set -e
	set -o pipefail

	# Add user to k8s using service account, no RBAC (must create RBAC after this script)
	if [[ -z "$1" ]] \|\| [[ -z "$2" ]]; then
	echo "usage: $0 <service_account_name> <namespace>"
	exit 1
	fi

	# Find process running on port 8080
	lsof -i:8080

	# Just kill it
	kill -9 $(lsof -t -i:8080)


	# find process listening on port 9200
	lsof -nP -i4TCP:$PORT \| grep LISTEN

	apt update
	apt install git
	apt install iputils-ping
	apt install net-tools
	apt install telnet

	curl -L "https://github.com/docker/compose/releases/download/1.25.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
	chmod +x /usr/local/bin/docker-compose
	ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

	docker volume create --name squidVolume
	docker run --name squid -d -p 3128:3128 -v squidVolume:/var/spool/squid Datadog/squid