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Cloudera manager Installation on Ubuntu

Steps followed : 

1. change hosts file
2.sudo apt-get install ssh
3. save public keys as 'authorized_keys'
   ssh-keygen
   cd ~/.ssh
   cat id_rsa.pub  >  authorized_keys

4. download cloudera repo from "wget http://archive-primary.cloudera.com/cdh5/one-click-install/precise/amd64/cdh5-repository_1.0_all.deb"
5. install this file using "sudo dpkg -i cdh5-repository_1.0_all.deb"
6. download cloudera install manager from "wget http://archive-primary.cloudera.com/cm5/installer/latest/cloudera-manager-installer.bin"
7. change permission on file "chmod +x cloudera-manager-installer.bin"
8. start the installer "sudo ./cloudera-manager-installer.bin"
9. follow steps and your install is complete.

Errors faced while installtion :

1. After step 8 Errors faced as I had previous Cloudera  installations on my system .
Resolution :
unsinstall the previous installation if any .

-->sudo  /usr/share/cmf/uninstall-cloudera-manager.sh

-->sudo rm /etc/cloudera-scm-server/db.properties

2. While adding cluster through cloud manager(CDH 4) I got installation failed error.  Exhausted available authentication methods.

Resolution :
Follow :https://community.cloudera.com/t5/Cloudera-Manager-Installation/Exhausted-available-authentication-methods/td-p/24518

Edit the sudoer file sudo nano /etc/sudoers ...

root  ALL=(ALL:ALL) ALL

%admin  ALL=(ALL) ALL

%sudo   ALL=(ALL:ALL) ALL

userid   ALL=(ALL)NOPASSWD:ALL  ---(I added this line e-g. ubuntu   ALL=(ALL)NOPASSWD:ALL)

Note - userid is the id through which you are logging to your linux box


You have to login as "another user -e.g ubuntu" by giving your id and password and yes you are done. It won't fail again with the error "Exhausted available......" . I mean that's what happened with me.

Video I followed for the set up :
https://www.youtube.com/watch?v=z0l87tArUDk

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