ledangtuanbk

1. Connecting to a database behind a firewall
ssh -L 9000:localhost:5432 user@example.com database postgres run port 5432 only access from localhost
2. Remote port forwarding
ssh -R 9000:localhost:3000 user@example.com
Localhost running port 3000 and want to acess from internet port 9000
- set GatewayPorts yes in /etc/ssh/sshd_config

this can be done by autossh
autossh -M 0 -f -q -N -o "ServerAliveInterval 5" -o "ServerAliveCountMax 1" -o "ExitOnForwardFailure yes" -R 0.0.0.0:245:localhost:22 user@example.com
remember to run on reboot

ledangtuanbk

package com.ldt.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class TestMain2 {
    public static void main(String[] args) {
        int[][] datas = new int[][]{

ledangtuanbk

B1. Cai dat git bash https://git-scm.com/downloads
B2. Bat Git Bash. chay lenh
ssh-keygen -t rsa
enter
enter
enter cho den khi xong
B3. chay lenh "cat ~/.ssh/id_rsa.pub"
B4. Copy nhung thu tren man hinh gui cho a Tuan

ledangtuanbk

# Ignore everything
**

# Allow files and directories
!build/**

ledangtuanbk

FROM mhart/alpine-node
RUN yarn global add serve
WORKDIR /app
COPY build .
CMD ["serve", "-p", "80", "-s", "."]

ledangtuanbk

Install Docker & Docker Compose - Centos 7
Step 1 — Install Docker
Install needed packages:

$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2
Configure the docker-ce repo:

$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Install docker-ce:

ledangtuanbk

import com.squareup.okhttp.*;
import org.json.JSONObject;

import java.io.*;
import java.math.BigDecimal;

public class TestMainBHYT {
//    private static final String LOGIN = "http://localhost:47503/api/token/take";
//    private static final String SEND_FILE = "http://localhost:47503/api/egw/guiHoSoGiamDinh4210";

ledangtuanbk

public static void main(String[] args) {
        try {
            TransportClient client = new PreBuiltTransportClient(Settings.EMPTY)
                    .addTransportAddress(new TransportAddress(InetAddress.getByName("localhost"), 9300));

            String jsonObject = "{\"age\":14,\"dateOfBirth\":1471466076564,"
                    +"\"fullName\":\"John Doe\"}";
            IndexResponse response = client.prepareIndex("people", "Doe")
                    .setSource(jsonObject, XContentType.JSON).get();

ledangtuanbk

result = [];

function load(url, level)
{
 console.log("level: "+level+","+url);
 $.get(url, function(data, status){
  var x;
  if($(data).length>2)
  {
   x=$($(data)[2]);