Cloud Network

Hello Everyone,

Let Us Installing and Configuring Zabbix 2.4.5 on Debian 8 

YOU CAN ALSO INSTALL IN 
FEDORA 22 / UBUNTU 15.04,14.10 / REDHAT LINUX 7 / LINUX MINT 17.2 / CENTOS 7 

Install Initial Required Software and Dependencies

Website :- https://www.zabbix.com

[On Debian 8] 
Step 1 :- sudo apt-get install build-essential gcc curl wget libsnmp-dev libcurl4-gnutls-dev libxml2-dev

[On RHEL/CentOS 7] 
Step 2 :-  yum install gcc gcc-c++ make openssl-devel curl wget net-snmp net-snmp-utils net-snmp-libs net-snmp-devel gnutls gnutls-devel libxml2 libxml2-devel 


Install MariaDB Database and Library
[On Debian 8] 
Step 3 :-  sudo apt-get install mariadb-server mariadb-client libmysqld-dev 

[On RHEL/CentOS 7] 
Step 4 :-  yum install mariadb-server mariadb-client mariadb-devel 
Step 5 :-  mysql_secure_installation

Install Apache Web Server and PHP
[On Debian 8]
Step 6 :-  sudo apt-get install apache2 php5 php5-mysql php5-gd php5-cli php5-xmlrpc 

[On RHEL/CentOS 7]
Step 7 :-  
yum install httpd php php-mysql php-gd pgp-cli php-xml php-bcmath php-mbstring mod_ssl openssl


[On Debian 8]
Step 8 :- sudo nano /etc/php5/apache2/php.ini

[On RHEL/CentOS 7]
Step 8 :- nano /etc/php.ini
http://php.net/manual/en/timezones.asia.php#113195

Now, search with CTRL+C and replace the following PHP values as it follows:
post_max_size = 16M 
max_execution_time = 300 
max_input_time = 300 
date.timezone = Continent/City  --- Chennai, Kolkata, Mumbai, New Delhi

always_populate_raw_post_data = -1 

[On Debian 8]
Step 9 :- sudo systemctl restart apache2.service

[On RHEL/CentOS 7]
Step 10 :-  systemctl restart httpd.service

Download, Compile and Install Zabbix Server
Step 11 :- 
wget http://sourceforge.net/projects/zabbix/files/ZABBIX\ Latest\ \Stable/2.4.5/zabbix-2.4.5.tar.gz
Step 12 :-  ls
Step 13 :-  tar xfz zabix-2.4.5.tar.gz 
Step 14 :-  cd zabix-2.4.5.tar.gz/ 
Step 15 :-  ls 
Step 16 :-  ./configure --enable-server --enable-agent --with-mysql --enable-ipv6 --with-net-snmp --with-libcurl --with-libxml2 
Step 17 :-  make 
Step 18 :-  make install 


Zabbix Post-Installation System Settings
Step 19 :-  groupadd  zabbix 
Step 20 :-  useradd -g zabbix   -d  /usr/local/share/zabbix   -s    /bin/false zabbix 


Configure MariaDB Database for Zabbix
Step 21 :-  mysql -u root -p 
MariaDB> create database zabbix; 
MariaDB> grant all privileges on zabbix.* to 'zabbix'@'localhost' identified by 'your_password'; 
MariaDB> flush privileges; 
MariaDB> exit 

Step 22 :- cd zabbix-2.4.5/ 
Step 23 :- ls database/mysql/ 
Step 24 :- mysql -u zabbix -p zabbix   <   database/mysql/schema.sql 
Step 25 :- mysql -u zabbix -p zabbix   <   database/mysql/images.sql 
Step 26 :- mysql -u zabbix -p zabbix   <   database/mysql/data.sql 

Configure Apache Webserver for Zabbix
Step 27 :-  rm /var/www/html/index.html
Step 28 :- cp -rf frontends/php/* /var/www/html/ 

[On Debian 8]
Step 29 :- usermod -aG www-data zabbix
Step 30 :- a2enmod ssl
Step 31 :- a2ensite default-ssl 
Step 32 :- systemctl restart apache2.service

[On RHEL/CentOS 7]
Step 33 :- usermod -aG apache zabbix 
Step 34 :- systemctl restart httpd.service

Configure Zabbix Server
Step 35 :-  nano /usr/local/etc/zabbix_server.conf 

Once the file is opened for editing search and replace the following values accordingly:
ListenPort=10051
LogFile=/var/log/zabbix_server.log
DBHost=localhost   ## Replace with the IP of the remote database in case MySQL server is located on a different host
DBName=zabbix              ## Use the name of the Zabbix MySQL database
DBUser =zabbix               ## Use the name of the Zabbix MySQL database User

DBPassword=password   ## Zabbix MYSQL database password
DBSocket=/var/run/mysqld/mysqld.sock
DBPort=3306


Finally, after all the server configurations are in place, start Zabbix Server and Agent (to collect data about localhost) by issuing the following commands:
Step 36 :- touch /var/log/zabbix_server.log 
Step 37 :- chmod 775 /var/log/zabbix_server.log 
Step 38 :- chgrp zabbix /var/log/zabbix_server.log 
Step 39 :- /usr/local/sbin/zabbix_server 
Step 40 :- /usr/local/sbin/zabbix_agentd 
Step 41 :- /usr/local/sbin/zabbix_agent 
Step 42 :- netstat -tulpn 

Install Zabbix Web Frontend Interface
Step 43 :- 
http://192.168.1.221/setup.php 
OR 
https://192.168.1.221/setup.php

[on Debian 8] 
Step 44 :- chown -R www-data /var/www/html/conf/ 

[on RHEL/CentOS 7]
Step 45 :- chown -R apache /var/www/html/conf/
Step 46 :- chown -R root /var/www/html/conf/ 

Step 47 :- Username: admin
Step 48 :- Password: zabbix 

In order to start Zabbix daemons after system reboot, open /etc/rc.local file for editing and add the following lines before exit 0 statement:

Step 43 :- /usr/local/sbin/zabbix_agentd
Step 44 :- /usr/local/sbin/zabbix_agent
Step 45 :- /usr/local/sbin/zabbix_server

Error 1
Deleted the database created then recreate the database name in mysql 

Error 2
Check timezone remove ; before the 

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 Hello Everyone,

In this tutorial,

Let Us Install Docker Machine 1.1 in Ubuntu 15.04

You Can also Install in Debian/Ubuntu/Linux Mint.

Download
Website:- http://www.docker.com

Prerequisites
Docker requires a 64-bit installation
kernel must be 3.10 at minimum or newer Version  ( uname -r )

To upgrade your kernel and install the additional packages.

Update your package manager & Login as a Root.
Step1 :- SU &   sudo apt-get update

Install both the required and optional packages.
Step2 :- sudo apt-get install linux-image-generic-lts-trusty
              sudo apt-get install linux-image-extra-`uname -r`

Reboot your host.
Step3 :- sudo reboot

Installing Docker Machine or Add docker repository key to apt-key for package verify
Step4 :- wget   -qO-   https://get.docker.com/    |     sh 
        Or sudo sh -c "wget -qO- https://get.docker.io/gpg | apt-key add -“

Verify docker is installed correctly
Step5 :- docker  run -it ubuntu bash

Optional Configurations for Docker on Ubuntu
    Create a docker group
    Adjust memory and swap accounting
    Enable UFW forwarding
    Configure a DNS server for use by Docker

Create the docker group and add your user.
Step6 :- sudo  usermod  -aG  docker  ubuntu

Verify your work by running docker without sudo.
Step7 :-  docker run -it ubuntu bash

Adjust memory and swap accounting
Step8 :- sudo nano /etc/default/grub/
Set the GRUB_CMDLINE_LINUX value as follows
Step9 :- GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1"

Update GRUB.
Step10 :- sudo update-grub
Step11 :- Reboot  system

Verify that UFW is installed and enabled.
Step12 :- sudo ufw status

Step13 :- sudo nano /etc/default/ufw
DEFAULT_FORWARD_POLICY="ACCEPT“

Step14 :- sudo ufw reload

Allow incoming connections on the Docker port.
Step14 :- sudo ufw allow 2375/tcp

Configure a DNS server for use by Docker
Step15 :- sudo nano /etc/default/docker

Add a setting for Docker.
Step16 :- DOCKER_OPTS="--dns 8.8.8.8  --dns 192.168.0.1 ”

Replace 8.8.8.8 with a local DNS server such as 192.168.0.1. You can also specify multiple DNS servers. Separated them with spaces, for example:
--dns 8.8.8.8 --dns 192.168.0.1

Restart the Docker daemon.
Step17 :- sudo restart docker

Get the latest Docker package
Step 2 :-  wget -qO- https://get.docker.com/ | sh

Verify docker installed or not
Step 3 :-  sudo docker-run hello-world

Show running containers
Step 4 :- sudo docker ps
Step 5 :- sudo docker images

Run a container from a specific image
Step 6 :-  sudo docker run -i -t <image_id || repository:tag> -bash

Start a existed container
Step 7 :-  $ sudo docker start -i <image_id>

Attach a running container:
Step 8 :-  $ sudo docker attach <container_id>


Upgrade Docker


To install the latest version of Docker, use the standard -N flag with wget

Step18 :- wget -N https://get.docker.com/ | sh

Error
TLS enabled daemon withou TLS ?

Answer
Sudo docker -d

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Hello Everyone,

In this tutorial,

Let Us Install Jenkins 1.617 in Ubuntu 15.04

Download Jenkins
Website :- https://www.jenkins-ci.org

Install the Oracle Java 8 JDK(JRE/JDK)

Type 'su' and the update "sudo apt-get update" then below steps follow :-
Step1 :- sudo apt-get install openjdk-8-jre
Step2 :- sudo apt-get install openjdk-8-jdk
Step3 :- java  -version

Download Java JDK 8 From Oracle Website
Website :- http://www.oracle.com/technetwork/java/javase/downloads/index.html

Watch My Video on How to install Oracle Java JDK 8

Watch Video :- https://www.youtube.com/watch?v=bd5BodEF5To&list=PLmMAzSMza_1e-bD-_wtYeP9mT52-XGMRj&index=55

Installing Jenkins
Step4 :- wget -q -O - https://jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -

Step5 :- sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'

Step6 :- sudo apt-get update

Step7 :- sudo apt-get install jenkins

Upgrade to Latest Version
 If available for latest version you can update
 Step8 :- sudo apt-get update

Step9 :- sudo apt-get install jenkins

What does this package do?
Jenkins will be launched as a daemon up on start. See /etc/init.d/jenkins for more details.

The 'jenkins' user is created to run this service.

Log file will be placed in /var/log/jenkins/jenkins.log. Check this file if you are troubleshooting Jenkins.

/etc/default/jenkins will capture configuration parameters for the launch like e.g JENKINS_HOME

By default, Jenkins listen on port 8080. Access this port with your browser to start configuration.
The Ubuntu Jenkins maintainer also maintains for deployment in clouds.

Step11 :- juju deploy jenkins

Step12 :- juju deploy -n 5 jenkins-slave

Step13 :- juju add-relation jenkins jenkins-slave

The default password for the 'admin' account will be auto-generated. You can set it using:

Step14 :- juju set jenkins password=mypassword

Always change it this way - this account is used by the charm to manage slave configuration. Then feel free to expose your jenkins master:

Step15 :- juju expose jenkins

Setting up an Apache Proxy for port 80 -> 8080
This configuration will setup Apache2 to proxy port 80 to 8080 so that you can keep Jenkins on 8080.

 Step16 :- sudo aptitude install apache2

 Step17 :- sudo a2enmod proxy

 Step18 :- sudo a2enmod proxy_http

Note :- do not do this next command if you already have virtual hosting setup that depends on the default site.

Step19 :- sudo a2dissite default
Create a file called jenkins.conf in /etc/apache2/sites-available
<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    ServerName cloudnetwork.in
    ServerAlias cloud
    ProxyRequests Off
    <Proxy *>
        Order deny,allow
        Allow from all
    </Proxy>
    ProxyPreserveHost on
    ProxyPass / http://localhost:8080/ nocanon
    AllowEncodedSlashes NoDecode
</VirtualHost>

 Step21 :- sudo a2ensite jenkins

 Step22 :- sudo apache2ctl restart
Setting up an Nginx Proxy for port 80 -> 8080

This configuration will setup Nginx to proxy port 80 to 8080 so that you can keep Jenkins on 8080.
 Step22 :- Install Nginx.

 Step23 :- sudo aptitude -y install nginx

 Remove default configuration.
 Step24 :- cd /etc/nginx/sites-available

 Step25 :- sudo rm default ../sites-enabled/default

Create new configuration for Jenkins.

Note: Sometimes your permissions (umask, etc) might be setup such that this won't work.
Create the file somewhere else then copy it into place if you run into that problem

Step27 :-  sudo cat > jenkins
upstream app_server {
    server 127.0.0.1:8080 fail_timeout=0;
}
server {
    listen 80;
    listen [::]:80 default ipv6only=on;
    server_name cloudnetwork.in
    location / {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        if (!-f $request_filename) {
            proxy_pass http://app_server;
            break;
        }
    }
}
                                           Hit CTRL + D to finish writing the file
Link your configuration from sites-available to sites-enabled:

 Step28 :- sudo ln -s /etc/nginx/sites-available/jenkins /etc/nginx/sites-enabled/

 Step29 :- Restart Nginx

 Step30 :- sudo service nginx restart
Where to go from here?
(http://myserver/jenkins/ instead of http://myserver:8080/)

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Comment,
Like and
Share us and help us to spread.

####--------------------------­------------------------------­------------------------------­####
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Hope U Like it........

Hello Everyone,

In this tutorial,

Let Us Install and Manage RabbitMQ-Server 3.5.3-1 on Ubuntu Server 15.04 – 64Bit

You can also install in Debian 8, Oracle Linux, Linux Mint 17 , RHEL Linux,  CentOS,  Fedora.

Download RabbitMQ
Website :- https://www.rabbitmq.com
The latest release of RabbitMQ is 3.5.3

Downloading and Installing RabbitMQ
Add the RabbitMQ source to the APT source list.
Step1 :- sudo echo "deb http://www.rabbitmq.com/debian/ testing main" >> /etc/apt/sources.list.d/rabbitmq.list

Add the verification key for the package to avoid any unsigned packages.
Step2 :- sudo wget http://www.rabbitmq.com/rabbitmq-signing-key-public.asc

Step3 :- sudo apt-key add rabbitmq-signing-key-public.asc
Or  curl -s http://www.rabbitmq.com/rabbitmq-signing-key-public.asc | sudo apt-key add -
Updating, Download and Install RabbitMQ
Step4 :- sudo apt-get update
Step5 :- sudo apt-get  install rabbitmq-server


In order to manage the maximum amount of connections upon launch
Step6 :- sudo nano /etc/default/rabbitmq-server Uncomment the limit line (i.e. remove #)


Start the server and verify it is running
Step7 :- sudo service rabbitmq-server restart
       Or  sudo invoke-rc.d rabbitmq-server stop/start/status


systemctl disable firewalld
systemctl stop firewalld

Install the Management GUI
Managing RabbitMQ
Step8 :- sudo rabbitmq-plugins enable rabbitmq_management

Once you've enabled the console, it can be accessed using your favourite web browser.
Step9 :- http://[your IP address]:15672

The default username and password are both set “guest” for the log in.


Add Management User

To create a new user
Step10 :- sudo rabbitmqctl add_user admin  123
Step11 :- sudo rabbitmqctl set_user_tags admin administrator
Step12 :- sudo rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"
Step13 :- sudo rabbitmqctl delete_user guest
Step14 :- sudo service rabbitmq-server restart

Web GUI should now be accessible to the new user
URL :- http://127.0.0.1:15672/

Remote Access
Add rule, restart service
Step15 :- sudo iptables -A INPUT -p tcp --dport 15672 -m state --state NEW,ESTABLISHED -j ACCEPT
Step16 :- sudo service ufw reload

Verify port is listening
Step17 :- netstat -tulpn

Managing on Ubuntu / Debian Based Systems

To start the service:
service rabbitmq-server start

# To stop the service:
service rabbitmq-server stop

# To restart the service:
service rabbitmq-server restart

# To check the status:
service rabbitmq-server status

And that's it! You now have your own message queue working on your virtual server.

Configuring RabbitMQ
http://www.rabbitmq.com/configure.html



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NOTE :- For Any Clarification Please Comment Below

Comment,
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####--------------------------­------------------------------­------------------------------­####
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E-Mail Id :- itcloudnet@gmail.com
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Hope U Like it........