Multichain Blockchain Platform: Brief Introduction & Installation

This video gives a minimal few minutes introduction to the Multichain blockchain platform followed by quick installation on an Ubuntu 20.04 OS terminal. This is one of the easiest platforms to play with and understand in much better way the mechanics of blockchain. Primarily CLI based, this video installs the multichain with few commands.

 

How to Install Microsoft office 2007 on Ubuntu 18.04 LTS ?

This post will bring out steps on how to install Microsoft office 2007 or any version upto Office 2016 on a Ubuntu 18.04 LTS. Few of the commands one will require are given below followed by the screenshots of installation steps :

Installing XTERM

sudo apt-get update -y

sudo apt-get install -y xterm

Installing PlayOnLinux which relies on the WINEHQ Project

wget -q "http://deb.playonlinux.com/public.gpg" -O- | apt-key add -

wget http://deb.playonlinux.com/playonlinux_stretch.list -O /etc/apt/sources.list.d/playonlinux.list

sudo apt-get update

sudo apt-get install playonlinux

The related screen shots are enclosed below for reference :

Installing playonlinux...terminal shots

Here we see the Microsoft office 2007 running....

Installing GO in Ubuntu 18.04 LTS

M sharing here only the terminal commands for installing GO in Ubuntu 18.04...followed by checking whether it is working or not....

Commands as follows in yellow :

go to https://golang.org/dl/

Download the recent tar...herein it is go1.14.linux-amd64.tar.gz

Further to this untar the same...and move the files to /usr/bin

sudo tar -xvf go1.14.linux-amd64.tar.gz

sudo mv go /usr/local

cd /usr/local/

sudo chown -R root:root ./go

Using gedit or any other vi/vim editor, open the ~/.profile file and append the following lines at the bottom :

export GOPATH=$HOME/go
export PATH=$PATH:/usr/local/go/bin:$GOPATH/bin

Save and load the commands vide the following command

source ~/.profile

Now create a new directory

mkdir GOLA

Within this create /src/welcome and within that directory copy and paste the contents of the file below

mkdir -p GOLA/src/welcome && cd GOLA/src/welcome

touch welcome.go

gedit welcome.go 

add the following lines here in this file

package main
import "fmt"
func main() {
    fmt.Printf("welcome to go world\n")
} 

and save above followed by build and running the file

go build

./welcome

message should be displayed welcome to the go world

Installating Ganache-CLI : Ubuntu 18.04 LTS

Few screen shots below for reference and terminal commands produced for installing GANACHE-CLI.First we need to install npm ....

    1  sudo apt-get update
    2  sudo apt install npm
    3  sudo npm install -g ganache-cli
    4  ganache-cli -a

 The accounts created with details of public private keys

DOCKER INSTALLATION IN UBUNTU 16.04 LTS :

Will keep it simple to the point.....terminal commands to install docker and see it running in 6 commands as below :

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add 

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

sudo apt-get update

apt-cache policy docker-ce

sudo apt-get install -y docker-ce

sudo systemctl status docker

ganache-cli : installation error Unexpected token { [SOLVED]

If you are here to resolve the following error while installing ganache-cli

/usr/local/lib/node_modules/ganache-cli/cli.js:8
var {toChecksumAddress, BN} = require("ethereumjs-util");
    ^

SyntaxError: Unexpected token {
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:374:25)
    at Object.Module._extensions..js (module.js:417:10)
    at Module.load (module.js:344:32)
    at Function.Module._load (module.js:301:12)
    at Function.Module.runMain (module.js:442:10)
    at startup (node.js:136:18)
    at node.js:966:3

The following commands will resolve this as follows :

sudo apt-get install curl python-software-properties
sudo apt-get update
sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
sudo apt-get install -y nodejs

Node.js Installation on Ubuntu 16.04

In this post I am sharing few commands to install Node.js & npm installation on Ubuntu 16.04 LTS

sudo apt-get install nodejs
sudo apt-get install npm
nodejs -v

The last command gives the installed version as seen in the screen shot below :

 

METAHASH WALLET INSTALLATION : UBUNTU 18.04 LTS

The following blog post shares few screen shots to installation of metahash wallet.The first step needs to go to https://metahash.org/ and then click the appro download as per the OS of the user.In my case I have a Ubuntu 18.04 LTS,so I download the bin file and the rest action follows as per the screen shots below which are all self explanatory.

 this is followed by simply executing the file on the terminal with sudo rights ie sudo ./Meta*.bin