Running GSUtil 4.19 on Python 2.7 on Centos 6.6

This post is a reminder of how to install and  run gsutil on Centos 6.6 running python 2.7

C++ Input and Output

Since I have a thing about competitive programming like HackerRank and TopCoder, I decide to start blog about it while learning C++ again after 8 years not using it.
I wont explain much unless needed, since the code explains itself
The first one is pretty simple, it starts with input and output

Copy File using SSH in Ubuntu 16.04

its just my note on how to copy files between VM, this command can only works when ssh service is already set and running

Find Active Session and Kill it on PostgreSQL

I happen to encounter a case when I want to drop a database and not allowed by system since there are an active session. I ended up having to restart database and the perform the drop. this is not ideal if there are more than 2 database or its already run on production, but here's how to do it

Restore PostgreSQL Database

Without having to use tools like pgAdmin, you can backup and restore database using console command

Install and Configure Supervisor on Ubuntu 16.04

The following will explain how to install and configure supervisor on Ubuntu
if you have a long running service that you want to activate on linux, say an apache web server, a jupyter notebook service,etc.. then you would want to have that service run and monitored by supervisor

Supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems.
It shares some of the same goals of programs like launchd, daemontools, and runit. Unlike some of these programs, it is not meant to be run as a substitute for init as “process id 1”. Instead it is meant to be used to control processes related to a project or a customer, and is meant to start like any other program at boot time.

Configure Network on Ubuntu 16.04

This step is to configure network on ubuntu when first installed

Turn off Automatic Updates on Ubuntu 16.04

Automatic updates on Ubuntu is good, but sometimes you want to turn automatic updates off, here's how to do it

Find out Largest directory size in Ubuntu 16.04

This commands will help you to identify which directory has the largest size, the result will be the list of directory and files with its size
...
747 M hue
781 M incubator-zeppelin-0.5.0
798 M zeppelin-0.5.0
...

Backup PostgreSQL Database

Without having to use tools like pgAdmin, you can backup and restore database using console

Install Logstash on Ubuntu 16.04

Steps to install logstash on ubuntu 16.04

Install Elasticsearch in Ubuntu 16.04

Steps to install Elasticsearch on Ubuntu 16.04

Install Kibana on Ubuntu 16.04

Steps to Install Kibana on Ubuntu 16.04