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Linux Command - netstat | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/187005a0.html
Definition source: https://www.tecmint.com/20-netstat-commands-for-linux-network-management/ netstat(network statistics) is a command line tool for monitoring connections both incoming and outgoing
Introduction of NiFi | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/60c88280.html
Brief of NiFiApache NiFi is a software project from the Apache Software Foundation designed to automate the flow of data between software systems. Software development and the commercial support is
Several Tricks for Using Hexo Efficiently | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/eacbb695.html
change theme add a theme to your Hexo (eg. theme next) 1git clone https://github.com/theme-next/hexo-theme-next themes/next update your blog config file(_config.yml, not your theme config file)
New York Graffiti | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/b4cea04c.html?
I used my spare time to explore all kinds of graffiti in NYC. In my opinion, its inclusiveness is the main reason why street culture is prosperous in NYC. I also went to Pride Parade. They’re shinin
Cannot Start Namenode with Safemode Error | Johnny's Odyssey
Cheat Sheet for AWS SAA-02 | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/a60a7db0.html
IAM IAM role policy only define which API actions can be made to that role.
Some terms in Big Data Ecosystem | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/aa930aca.html
DMP(Data Management Platform)A platform for collecting and managing data for digital marketing purposes. DSP(Demand-side Platform)A platform that allows buyers of online advertising to manage ad ex
MIO Internship | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/658d19d2.html
I have really enjoyed working with IT team at MIO last two months. Through this internship, I have been able to learn not only what the US working style is like, but also some real AWS projects. Now,
Auto-start Services on Boot in Linux | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/857f09d5.html
CentOS6 Show the list of services that start on boot. 1chkconfig --list Add a service to auto-start on boot. 12chkconfig --add service_namechkconfig service_name on
The Two Ways of Connecting Hive For Developing or Testing | Johnny's Odyssey
Using spark-submit to submit a Spark application in Kerberos environment | Johnny's Odyssey
Cannot start ambari services with 400 status code | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/7449623f.html
Error MessageYou maybe meet this kind of error message showing below when you click the button “Start All”.
MySQL Basic Operations for User Account Management | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/f4c81e09.html
Install MySQL server (not MySQL package) 1yum -y install mysql-server Start and launch MySQL 123service mysqld startmysql -uroot -p
about | Johnny's Odyssey
https://liuninglin.github.io/blog/about/
“A man who has been through bitter experiences and travelled far enjoys even his sufferings after a time” ― Homer, The Odyssey My name is Johnny Liu. I’ve been writing code, reading code, and livi
Installing HDF on Ambari 2.7.1 + HDP 3.0.1 | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/8c49992b.html
Installed Ambari and HDP are prerequisites for installing HDF on HDP clusters. So, after that, you can follow the steps below to complete installing HDF.
Using Flume to transfer data from Kafka to HDFS in Ambari(2.4.2) with Kerberos | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/dc7e5002.html
Firstly, you don’t need to read the following post if your Flume upper than 1.5.2. You can complete your configuration file by following official documents.**
Tar command in Linux | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/d36bfb53.html
options:-c: create the archive-x: extract the archive-f: create or extract with the specific archive filename-t: displays or lists files in an archived file-v: display info-z: using gzip -C: extrac
Meeting 401 Http Status Code when Visting Oozie UI by a browser in a Kerberos environment | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/3f9aa226.html
Using your browser such as Firefox or Chrome to access your component services in Ambari with Kerberos Authorization may confront the error message above.
Odyssey | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/56e69a1d.html
It is really a great determination for me to give up a comfortable and easy environment where I can complete all tasks successfully. Now, I had been to Shanghai for almost one month. And I need to stu
Comparison between Hortonworks and Alibaba | Johnny's Odyssey
How to Recover a Crashed Mysql Database | Johnny's Odyssey
Using Flume in Ambari with Kerberos | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/a833198.html
What is Flume Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. An Event is a unit of data, and events that carr
Kerberos Authentication Explained | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/bfaac82a.html
What is KerberosIn Greek mythology, Kerberos is a creature that is a three-headed dog that guards the gate toward the underworld. In a nutshell, it’s a security guardian.Back to our network world, Ke
Using Github + Travis + Heroku + Slack for team development | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/3d8e0aef.html
Traditionally, using Gitlab + Jenkins + K8s + Docker may better for some e-commerce systems development. But you need to put more time to configure and maintain this setup. This is not easy and some
Using docker command to obtain dockers' IP | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/de75b356.html
check specific container’s ip address: 1docker inspect -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' your_contai
Tutorial for Latest Ambari(2.7.1) | Johnny's Odyssey
Amplify POC | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/1998f291.html
This document is aimed to help you familiar with Amplify quickly. In addition, I’ll take you to go through the code structure and deployment architecture of my POC. What is AmplifyAmplify is an all-i
Attention for Using Markdown code block | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/d2fb4425.html
When you are using markdown code block, you may meet a strange circumstance that disorder within code blocks. Just like the image below.
Enable Kerberos on Ambari | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/3f0454be.html
Install a new MIT KDCInstall the KDC server Install a new version of the KDC server 1yum install -y krb5-server krb5-libs krb5-workstation
Step by Step Tutorial for Ambari Installation | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/7f0f012a.html?highlight=ambari
System RequirementsAt first, we need to think about the setups of VMs. So, I list a table for VMs below. hostname ip operating system RAM disk space package master1.bigdata.com 192.168.110.150
Running Kafka consumer and producer in Kerberos Authorization | Johnny's Odyssey
Hive-based Enterprise Data Warehouse(EDW) | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/3465d938.html
Prerequisite Establishing a complete Hadoop ecosystem such as using Ambari. For how to establish a complete Hadoop ecosystem by Ambari, you can check the posts - “Step by Step Tutorial for Ambari Ins
[Hexo]Create a blog with hexo in github | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/fe740d97.html
copy local ssh public key to github install npm, git install hexo by npm 1npm install init hexo 1hexo init
Several Pivotal Conceptions about Hive | Johnny's Odyssey
https://liuninglin.github.io/blog/posts/449d41fb.html
What is Apache Hive?As the data grew in size, there was also the scarcity of Java developers who can write complex MapReduce jobs for Hadoop. Hence the advent of Hive comes which is created on top of
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