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Tuesday, October 4, 2016

How to Download & Install Google Allo - A Smart Messaging App in Android and iOS

October 04, 2016
How to Download & Install Google Allo - A Smart Messaging App in Android and iOS

Thursday, July 14, 2016

How to Install & Setup Monit (Linux Process and Services Monitoring) Redhat Linux, CentOS, Fedora & Ubuntu, Linux Mint & Debian

July 14, 2016
How to Install & Setup Monit (Linux Process and Services Monitoring)  Redhat Linux, CentOS, Fedora & Ubuntu, Linux Mint & Debian



How to Install and Setup Monit (Linux Process and Services Monitoring)
 
              Redhat Linux, CentOS, Fedora & Ubuntu, Linux Mint & Debian.


Installing Monit
Step1 :- yum install monit           --> [RedHat/CentOS/Fedora]
Step2 :- sudo  apt-get install monit --> [Ubuntu/Debian/Linux Mint]

Configuring Monit 
Step3 :-      vi /etc/monit.conf      --> [RedHat/CentOS/Fedora]
Step3 :- sudo vi /etc/monit/monitrc   --> [Ubuntu/Debian/Linux Mint]

Next, uncomment
add the IP address or domain name of your server
     set httpd port 2812 and

Start the Monit
Step4 :- sudo /etc/init.d/monit start


http://localhost:2812” or “http://example.com:2812“ or ip address also can use

Adding Monitoring Services
Step5 :-   vi /etc/monit.conf         --> [RedHat/CentOS/Fedora]
Step5 :- sudo vi /etc/monit/monitrc   --> [Ubuntu/Debian/Linux Mint]

Apache
Apache2
Nginx
MySQL
SSHD


Errors :- When you get message like “Control file syntax OK“,
Step6 :- monit -t        --> [RedHat/CentOS/Fedora]
        monit reload
       monit start all
Step6 :- sudo monit -t   --> [Ubuntu/Debian/Linux Mint]


start the monit service.
Step7 :- /etc/init.d/monit restart      --> [RedHat/CentOS/Fedora]
Step7 :- sudo /etc/init.d/monit restart --> [Ubuntu/Debian/Linux Mint]

checking log file
Step8 :- tail -f /var/log/monit          --> [RedHat/CentOS/Fedora]
Step8 :- sudo tail -f /var/log/monit.log --> [Ubuntu/Debian/Linux Mint]



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Friday, May 6, 2016

How to Install Your Own Cloud Platform with OpenStack in CentOS 7 & Fedora 23 Distributions by Using RDO Repositories

May 06, 2016
How to Install Your Own Cloud Platform with OpenStack in CentOS 7 & Fedora 23 Distributions by Using RDO Repositories


How to Install Your Own Cloud Platform with OpenStack in CentOS 7 or RHEL 7 or Fedora Distributions by Using RDO Repositories.

A. Initial System Configurations
Update the CentOS 7
Step1:- sudo yum update

list all running services
Step2:- ss -tulpn


Now identify, stop, disable and remove unneeded services, mainly postfix, NetworkManager and firewalld. At the end the only daemon that would be running on your machine should be sshd.
Step3:- systemctl stop postfix firewalld NetworkManager
Step4:- systemctl disable postfix firewalld NetworkManager
Step5:- systemctl mask NetworkManager
Step6:- yum remove postfix NetworkManager NetworkManager-libnm


Completely disable Selinux policy on the machine by issuing the below commands
Step7:- setenforce 0
Step8:- getenforce

Also edit /etc/selinux/config file set SELINUX line from enforcing to disabled
Step9:- vi /etc/selinux/config
SELINUX=disabled


set your Linux system hostname, Replace the FQDN variable
Step10:- hostnamectl set-hostname cloud.centos.lan


install ntpdate command to synchronize time with a NTP server
Step11:- yum install ntpdate


B. Install OpenStack in CentOS and RHEL
In order to enable rdo repositories on RHEL/CentOS 7
Step12:- yum install https://www.rdoproject.org/repos/rdo-release.rpm


Now it’s time to install PackStack package
Step13:- yum install  openstack-packstack


The file will be named after the current day timestamp when generated (day, month and year).
Step14:- packstack --gen-answer-file='date +"%d.%m.%y"'.conf
Step15:- ls


Now edit the generated answer configuration file with a text editor
Step16:- vi 22.04.16.conf


In order to be safe replace the passwords fields
Step17:- CONFIG_NTP_SERVERS=0.ro.pool.ntp.org

Please consult http://www.pool.ntp.org/en/ server list in order to use a public NTP server near your physical location


Step18:- CONFIG_PROVISION_DEMO=n
Step19:- CONFIG_KEYSTONE_ADMIN_PW=123(Give Your Password) --> for Admin user


Access OpenStack dashboard via HTTP with SSL enabled.
Step20:- CONFIG_HORIZON_SSL=y


The root password for MySQL server.
Step21:- CONFIG_MARIADB_PW=123(Give Your Password)

Setup a password for nagiosadmin user in order to access Nagios web panel
Step22:- CONFIG_NAGIOS_PW=123(Give Your Password)


open SSH server configuration file and uncomment PermitRootLogin line by removing the front hashtag
Step23:- vi /etc/ssh/sshd_config
PermitRootLogin Yes

restart SSH service to reflect changes
Step24:- systemctl restart sshd


C. Start Openstack Installation Using Packstack Answer File
start Openstack installation process via the answer file edited
Step25:- packstack --answer-file 13.04.16.conf


If for some reasons the installation process ends with an error regarding httpd service, open /etc/httpd/conf.d/ssl.conf file and make sure you comment the following line as illustrated below
Step26:- #Listen 443 https


restart Apache daemon to apply changes
Step27:- systemctl restart httpd.service



Note: In case you still can’t browse Openstack web panel on port 443 restart the installation process from beginning with the same command issued for the initial deployment.
Step28:- packstack --answer-file /root/22.04.16.conf


E. Remotely Access OpenStack Dashboard
Step29:- https://192.168.1.197/dashboard

username :- admin
password :- 123(which we give during installation)

Alternatively, if you opted to install Nagios component for OpenStack, you can browse Nagios web panel at the following URI and login with the credentials setup in answer file.
Step30:- https://192.168.1.197/nagios .

Sunday, January 31, 2016

How to Install Linux Mint 17 3 “Rosa” Cinnamon Edition on Virtual Box

January 31, 2016
How to Install Linux Mint 17 3 “Rosa” Cinnamon Edition on Virtual Box

How to Make WhatsApp Messenger Completely Totally Free For Lifetime Andr...

January 31, 2016
How to Make WhatsApp Messenger Completely Totally Free For Lifetime Andr...

Thursday, January 21, 2016

10 WhatsApp Tips and Tricks Everyone Should Know

January 21, 2016
10 WhatsApp Tips and Tricks Everyone Should Know

Wednesday, November 11, 2015

How to Install Joomla 3.4.3 with LAMP (Apache, MySQL, PhpMyAdmin) on Fedora Server 23 & CentOS 7 - Part 1 & 2

November 11, 2015
How to Install Joomla 3.4.3 with LAMP (Apache, MySQL, PhpMyAdmin) on Fedora Server 23 & CentOS 7 - Part 1 & 2

Part - 2 Video

Hello Everyone,

In this tutorial,

Let us  Install Joomla 3.4.3 Using LAMP (Apache, MySQL, PhpMyAdmin) on Fedora 23, 22, 21.

Please follow below link to Install LAMP on Fedora 23,22,21 & CentOS 7
https://goo.gl/wv93Mr

Joomla Latest Version 3.4.3
Download Joomla Website :- http://www.joomla.org/

make sure you have root login credential.
Step 1 :- hostname
Step 2 :- ip addr show

Downloading Joomla 3.4.3
Step 3 :- wget http://joomlacode.org/gf/download/frsrelease/20086/162539/Joomla_3.4.3-Stable-Full_Package.tar.gz

Copy downloaded source files package and extract it under 
Apache DocumentRoot directory (i.e /var/www/html/)
Step 4 :- cp   Joomla_3.4.3-Stable-Full_Package.tar.gz   /var/www/html/
Step 5 :- cd   /var/www/html
Step 6 :- tar  -zxvf Joomla_3.4.3-Stable-Full_Package.tar.gz

Change the Ownership of Directory
Step 7 :- rm -rf  Joomla_3.4.3-Stable-Full_Package.tar.gz
Step 8 :- chown -R apache:apache   /var/www/html/
Step 9 :- ls -l 

Restart Apache web service. 
Step 10 :- systemctl restart httpd.service  or     service httpd restart

To make httpd service started automatically in next boot, use below command.
Step 11 :- systemctl enable httpd.service   or     chkconfig --level 35 httpd on

Verify your httpd is running and listening request on port 80.
Step 12 :- netstat -antp | grep httpd

Iptables (Firewall) Configuration
Please open port 80 on firewall or disable iptables
Step 14 :- firewall-cmd  --zone=public  --add-port=80/tcp  --permanent
Step 15 :- firewall-cmd  --reload


Create Joomla Database
You can set MySQL root password using following command or else skip if you already   
Step 17 :- mysqladmin -u root password ‘fedora'

Login with root credential in MySQL.
Step 18 :- mysql -u root -p

Create database called “joomla” in MySQL.
Step 19 :- mysql> create database joomla;

Grant privilege on joomla database for “joomla” user in MySQL.
Step 20 :- mysql> grant all on joomla.*  to joomla@'localhost' identified by ‘fedora';
Step 21 :- mysql> flush privileges;

Restart MySQL service and auto enable at system startup.
Step 22 :- systemctl restart mariadb.service  &&  systemctl enable mariadb.service
Step 23 :- service mysqld restart  &&  chkconfig --level 35 mysqld on

Open your browser and type 
http://192.168.0.124 or  http://192.168.0.124/installation
to configure Joomla step by step.

Database Configuration
Fill up the details like database name, username and password which was set earlier in Step 6 for MySQLsettings and click ‘Next‘.
FTP Configuration
Install Sample Data

Congratulation! Joomla ! Installation Completed.

Error :- https://goo.gl/lAFdCi
Remove installation directory :- rm -rf installation/

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