CDH 5.5.2 installation on RHEL/Cent OS 7.1 using parcels

Here in this post i am going to explain about "How to setup CDH 5.5.2 on RHEL/Cent OS 7.1 using parcels" or "CDH offline installation"

Before we are going to proceed, we need to make some changes in our OS. So follow below steps

1. Disable SELINUX
        
        sudo vim /etc/selinux/config
        SELINUX=disabled

2. Disable iptables

        sudo service iptables stop
        chkconfig iptables off

3. Disable firewall

        sudo service firewalld stop

4. Check NTP server time and date sync among all the nodes
5. Update hostname and /etc/hosts

sudo vim /etc hostnmae
hostname  node1.abc.com

sudo vim /etc/hosts

127.0.0.1   localhost
::1         localhost

192.168.10.11     node1.abc.com node1
192.168.10.12     node2.abc.com node2
192.168.10.13     node3.abc.com node3
192.168.10.14     node4.abc.com node4
192.168.10.15     node5.abc.com node5
192.168.10.16     node5.abc.com node6

6. Setup paswordless ssh

           a. Generate ssh keys
               ssh-keygen (type enter, enter, enter)
               cd ~/.ssh
               cp id_rsa.pub authorized_keys

           b. Copy id_rsa.pub into all hosts

                 scp id_rsa.pub admin@node1
                 scp id_rsa.pub admin@node2
                 scp id_rsa.pub admin@node3
                 scp id_rsa.pub admin@node4
                 scp id_rsa.pub admin@node5
                 scp id_rsa.pub admin@node6

7. Check ssh connections between the nodes (from server to agents)

          ssh admin@node3

8. Make passwordless sudo

          sudo vim /etc/sudoers
         change “admin ALL =(ALL) ALL” to “admin ALL =(ALL) NOPASSWD ALL”

9. Test password less su
       
         sudo su

=============Installation using tarballs=============

10. Download Cloudera Manger files from http://archive.cloudera.com/cm5/repo-as-tarball

11. Extract downloaded tar files to /home/admin/cdh5/tarball

12. Create local repo for CM installation

          sudo vim /etc/yum.repo.d/myrepo.repo

          [myrepo]
          name=myrepo
          baseurl=file:///home/admin/cdh5/tarball
          enabled=1
          gpgcheck=0

13. Download CDH parcels and manifest.json from https://archive.cloudera.com/cdh5/parcels/

14. Move downloaded files to /tmp/parcel

           mkdir /tmp/parcel
           cp /home/admin/Downloads/CDH-5.5.2-1.cdh5.5.2.p0.4-el7.parcel /tmp/parcel/
           cp /home/admin/Downloads/ manifest.json /tmp/parcel/

15. Create CDH-5.5.2-1.cdh5.5.2.p0.4-el7.parcel.sha file with hash value of CDH-5.5.2-1.cdh5.5.2.p0.4-el7.parcel which is available in manifest.json

            cmd: echo “19b7fdbb450894f8b2687be74a7d889eb3829105“  > CDH-5.5.2-1.cdh5.5.2.p0.4-el7.parcel.sha

16. Change to the directory containing the .parcel and manifest.json files (/tmp/parcel)

           cd /tmp/parcel

17. Start a python SimpleHTTPServer to host these two files

           python -m SimpleHTTPServer 8900

Serving HTTP on 0.0.0.0 port 8900 ...

18. Confirm you can get to this hosted parcel directory by going to http://server:8900 in your browser. You should see links for the hosted files

19. Download cloudera-manager-installer.bin from http://archive.cloudera.com/cm5/installer/

20. Change permission as below

           chmod u+x cloudera-manager-installer.bin

21. Run below command to start installation without internet

             sudo ./cloudera-manager-installer.bin --skip_repo_package=1

22. After completion of above step open below address web browser

           http://hostname:7180
           username: admin
           password: admin

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