Cloud Network

Hello Everyone,

In this tutorial,

Let Us Install Own Online Shopping Store Using “OpenCart” in CentOS  Desktop

You Can also Install in Redhat Linux, Fedora Server

OpenCart Web Panel Demo

Store Front – http://demo.opencart.com/
Admin Login – http://demo.opencart.com/admin/

Admin Login
Username: demo
Password:  demo

Installing Apache, PHP and MariaDB

Install Apache
Step1 :- yum install httpd

Install PHP and Extensions
Step2 :- yum install php php-mysql php5-curl php5-mcrypt php-pecl-zip php-gd

Install MariaDB
Step3 :- yum install mariadb-server mariadb

Start Apache and MariaDB services
Step4 :- systemctl restart httpd.service
Step5 :- systemctl restart mariadb.service

Downloading and Setting OpenCart
Website :- http://www.opencart.com/index.php?route=download/download/

Alternatively, Step6 :- wget  https://github.com/opencart/opencart/archive/master.zip

Step7 :- cp master.zip   /var/www/html/
Step8 :- cd /var/www/html
Step8 :- apt-get install unzip
Step9 :- unzip master.zip
Step10 :- cd opencart-master
Step11 :- mv -v upload/* ../opencart-master/
Step12 :- cp  /var/www/html/opencart-master/admin/config-dist.php  /var/www/html/opencart-master/admin/config.php
Step13 :- cp  /var/www/html/opencart-master/config-dist.php  /var/www/html/opencart-master/config.php
Step14 :- chmod 777 -R /var/www/html/opencart-master

Creating OpenCart Database

Step15 :- mysql -u root -p
CREATE DATABASE opencartdb;
CREATE USER 'opencartuser'@'localhost' IDENTIFIED BY 'mypassword';
GRANT ALL PRIVILEGES ON opencartdb.*  TO  'opencartuser'@'localhost‘;
FLUSH PRIVILEGES;


OpenCart Web Installation

http://<web server IP address>

To Remove install directory, you may like to run the below command.
Step16 :- rm -rf  /var/www/html/opencart-master/install


Access OpenCart Web and Admin
Step17 :- http://<web server IP address>/opencart-master/


In order to login to Opencart Admin Panel, point your browser to
Step18 :- http://<web server IP address>/opencart-master/admin


Error:-
Warning: mCrypt extension needs to be loaded for OpenCart to work!”

yum install php-mcrypt
yum update
systemctl restart httpd.service

NOTE :- For Any Clarification Please Comment Below

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Hello Everyone,

In this tutorial,

Let Us Install Apache Cassandra and Run a Single-Node & Multiple-Node Cluster On Ubuntu Server 15.04 - 64Bit

You Can also Install in Ubuntu 14.04, 14.10 & Linux mint 17, Debain 8, Xubuntu.

Apache Cassandra Website
Website :- http://cassandra.apache.org/download/


Download Oracle JDK
http://www.oracle.com/technetwork/java/javase/downloads/index.html

Watch this video on How to install Oracle JDK or JRE Version 7 or 8 in Ubuntu 15.04, 14.10, 14.04
https://www.youtube.com/watch?v=bd5BodEF5To&list=PLmMAzSMza_1e-bD-_wtYeP9mT52-XGMRj&index=55

Installating Oracle JDK Steps
Step1 :-  Download ----  jdk-8u31-linux-x64.tar.gz  ---- (64bit or 32bit)
Step2 :- chmod +x jdk-6u45-linux-x64.bin
Step3 :- sh jdk-6u45-linux-x64.bin
Step4 :- sudo mkdir  /usr/local/java
Step5 :- sudo mv    jdk1.8.0_31       /usr/local/java/
Step6 :- sudo nano /etc/profile
JAVA_HOME=/usr/local/java/jdk1.8.0_31
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin JRE_HOME=/usr/local/java/jdk1.8.0_31 PATH=$PATH:$HOME/bin:$JRE_HOME/bin
export JAVA_HOME
export JRE_HOME
export PATH

Step7 :- java -version
javac –version
javaws -version


Step8 :- echo $JAVA_HOME

Step9 :- sudo update-alternatives --install "/usr/bin/java" "java"
"/usr/local/java/jdk1.8.0_31/bin/java" 1
Step10 :- sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/local/java/jdk1.8.0_31/bin/javac" 1
Step11 :- sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/local/java/jdk1.8.0_31/bin/javaws" 1
Step12 :- sudo update-alternatives --set java /usr/local/java/jdk1.8.0_31/bin/java
Step13 :- sudo update-alternatives --set javac /usr/local/java/jdk1.8.0_31/bin/javac
Step14 :- sudo update-alternatives --set javaws /usr/local/java/jdk1.8.0_31/bin/javaws


Installing Cassandra
Step17 :- cd ~/temp
Step18 :- wget http://www.us.apache.org/dist/cassandra/2.1.6/apache-cassandra-2.1.6-bin.tar.gz
Step19 :- tar -xvzf apache-cassandra-2.1.6-bin.tar.gz
Step20 :- mv apache-cassandra-2.1.6  ~/cassandra
Step21 :- sudo mkdir /var/lib/cassandra
Step22 :- sudo mkdir /var/log/cassandra
Step23 :- sudo chown -R $USER:$GROUP /var/lib/cassandra
Step24 :- sudo chown -R $USER:$GROUP /var/log/cassandra
Step25 :- export CASSANDRA_HOME=~/cassandra
Step26 :- export PATH=$PATH:$CASSANDRA_HOME/bin

Step27 :- sudo nano  ~/cassandra/conf/cassandra-env.sh
JVM_OPTS="$JVM_OPTS –Xss250k“
changing it to:
JVM_OPTS="$JVM_OPTS –Xss350k"


Running Cassandra
Step28 :- sudo sh ~/cassandra/bin/cassandra
Step29 :- sudo sh ~/cassandra/bin/cassandra-cli

Installing the JNA
Installing JNA can improve Cassandra memory usage
Step30 :- sudo apt-get install libjna-java
Step31 :- Download JNA 4.1.0 :- https://github.com/twall/jna

Create a symbolic link to the file
Step32 :- ln -s /usr/share/java/jna.jar <install_location>/lib

Check which version of Java is installed by running
Step33 :- java –version

Use the latest version of Java 7 or 8 on all nodes.


DataStax
Add the DataStax Community repository to the
Step34 :- sudo nano  /etc/apt/sources.list.d/cassandra.sources.list
Step35 :- deb http://debian.datastax.com/community stable main

Debian systems only:
In /etc/apt/sources.list, find the line that describes your source repository for Debian and add contrib non-free to the end of the line.
Step36 :- sudo nano /etc/apt/sources.list
deb http://some.debian.mirror/debian/  $distro main contrib non-free

Install the latest package.
Step37 :- sudo apt-get update
Step38 :- sudo apt-get install dsc12=1.2.10-1 cassandra=1.2.10

To stop the service and clear the initial gossip history
Step39 :- sudo service cassandra stop
Step40:- sudo rm -rf /var/lib/cassandra/data/system/*


Installing Dependencies
Logging into ROOT and Open Terminal
Step41 :-  sudo su
Step42 :- deb http://www.apache.org/dist/cassandra/debian 21x main
                deb-src http://www.apache.org/dist/cassandra/debian 21x main

Adding the PUBLIC_KEY
Step43 :- gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D
                gpg --export --armor F758CE318D77295D | sudo apt-key add –
Step44 :- gpg --keyserver pgp.mit.edu --recv-keys 2B5C1B00
                gpg --export --armor 2B5C1B00 | sudo apt-key add -


NOTE :- For Any Clarification Please Below

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