Single Node Cluster setup
1) Making apt-get work and installing ssh server & client for remote login to other machines
a.i) ADDING A DEDICATED HADOOP USER
Run this command to add a dedicated user hduser and the group hadoop to your local machine
(every machine on Multi-node cluster system must have hduser otherwise you will get error while
making ssh connection with remote hosts).
% sudo addgroup hadoop
% sudo adduser --ingroup hadoop hduser
NOTE:-Login as hduser.
a.ii) If u are using any proxy server than configure /etc/apt/apt.config file by typing (as root node)
(a.ii.1) % gksudo gedit /etc/apt/apt.conf or % vi gedit /etc/apt/apt.conf (if doesn’t not exists
already than create it) on the command prompt and adding following lines.
Acquire::http::Proxy “http://name:password@proxyip:port”
Acquire::ftp::Proxy “ftp://name:password@proxyip:port”
Acquire::https::Proxy “https://name:password@proxyip:port”
(a.ii.2) Where name and password are proxy username and proxy password respectively.
Check by entering
% sudo apt-get update(it should work).
a.iii) Also uncomment the sources from /etc/apt/source.list file, by removing # from the very first
line and lines containing deb next to #.
