Archive for the ‘Ubuntu’ Tag

Getting started with HBase

There are quite a few HBase tutorials out there, but the reason I wanted to add another one was for two specific reasons:
1. To document the installation steps (HBase stand-alone mode) for my ready reference in future
2. To highlight the installation issues I faced and how I got around them so that anyone else facing the same can benefit.

Installation Steps

Download and install the latest version of Ubuntu from

In my case I downloaded and installed Ubuntu 12.04.1 64-bit i.e. ubuntu-12.04.1-desktop-amd64.iso

Download and install Java SDK from

Since Cloudera recommends JDK version 1.6.0_31 (
I downloaded the same and installed it as follows:

root@ubuntu:~# mkdir /opt/java
root@ubuntu:~# cd /opt/java/
root@ubuntu:/opt/java# chmod +x jdk-6u31-linux-x64.bin 
root@ubuntu:/opt/java# ./jdk-6u31-linux-x64.bin 
... ... ... ...
... ... ... ...
root@ubuntu:/opt/java# ls -lth jdk1.6.0_31/
total 19M
-r--r--r--  1 root root 4.7K Oct  6 14:32 register_zh_CN.html
-r--r--r--  1 root root 5.1K Oct  6 14:32 register.html
-r--r--r--  1 root root 6.5K Oct  6 14:32 register_ja.html
drwxr-xr-x  7 root root 4.0K Oct  6 14:32 jre
drwxr-xr-x  3 root root 4.0K Oct  6 14:32 lib
drwxr-xr-x  7 root root 4.0K Jan 20  2012 db
drwxr-xr-x  3 root root 4.0K Jan 20  2012 include
drwxr-xr-x  9 root root 4.0K Jan 20  2012 sample
drwxr-xr-x 10 root root 4.0K Jan 20  2012 demo
drwxr-xr-x  4 root root 4.0K Jan 20  2012 man
drwxr-xr-x  2 root root 4.0K Jan 20  2012 bin
-r--r--r--  1 root root 3.3K Jan 20  2012 COPYRIGHT
-r--r--r--  1 root root   40 Jan 20  2012 LICENSE
-r--r--r--  1 root root  115 Jan 20  2012 README.html
-r--r--r--  1 root root 165K Jan 20  2012 THIRDPARTYLICENSEREADME.txt
-rw-r--r--  1 root root  19M Jan 20  2012

Set the JAVA_HOME environment variable

root@ubuntu:~# echo $JAVA_HOME
root@ubuntu:~# vi .bashrc 

Add the following lines, save and exit:

export JAVA_HOME=/opt/java/jdk1.6.0_31
export PATH=$JAVA_HOME/bin:$PATH


root@ubuntu:~# source .bashrc 
root@ubuntu:~# echo $JAVA_HOME

root@ubuntu:~# java -version
java version "1.6.0_31"
Java(TM) SE Runtime Environment (build 1.6.0_31-b04)
Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode)

Configure the CDH repositories

root@ubuntu:~# mkdir /opt/hbase
root@ubuntu:~# cd /opt/hbase/

Download into /opt/hbase

root@ubuntu:/opt/hbase# ls -lth
total 4.0K
-rw-r--r-- 1 root root 3.3K Oct  6 14:38 cdh4-repository_1.0_all.deb
root@ubuntu:/opt/hbase# sudo dpkg -i cdh4-repository_1.0_all.deb 
Selecting previously unselected package cdh4-repository.
(Reading database ... 140999 files and directories currently installed.)
Unpacking cdh4-repository (from cdh4-repository_1.0_all.deb) ...
Setting up cdh4-repository (1.0) ...
gpg: keyring `/etc/apt/secring.gpg' created
gpg: keyring `/etc/apt/trusted.gpg.d/cloudera-cdh4.gpg' created
gpg: key 02A818DD: public key "Cloudera Apt Repository" imported
gpg: Total number processed: 1
gpg:               imported: 1

Install HBase

root@ubuntu:/opt/hbase# sudo apt-get update
Ign precise-cdh4 InRelease                                                          
Ign precise-security InRelease                                                       
Ign precise InRelease                                                                  
Get:1 precise-cdh4 Release.gpg [198 B]                                  
Ign precise InRelease                                               
Ign precise-updates InRelease           
Ign precise-backports InRelease         
Hit precise Release.gpg                     
Hit precise-security Release.gpg          
Get:2 precise-cdh4 Release [1,682 B]     
Hit precise Release.gpg                                                   
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Get:3 precise-cdh4/contrib Sources [6,382 B]                     
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Get:4 precise-cdh4/contrib amd64 Packages [16.8 kB]             
Hit precise-security/main Sources                                          
Hit precise Release                                                      
Ign precise-cdh4/contrib TranslationIndex                                           
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Ign precise-cdh4/contrib Translation-en_US                                          
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Ign precise/main Translation-en_US                                                     
Ign precise/main Translation-en                                                        
Hit precise/main Sources                                                           
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Hit precise-security/main TranslationIndex                                           
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Hit precise/main i386 Packages                                                     
Hit precise-security/main Translation-en                                             
Hit precise-security/multiverse Translation-en                                       
Hit precise-security/restricted Translation-en                                       
Hit precise/restricted i386 Packages                                               
Hit precise-security/universe Translation-en                                         
Hit precise/universe i386 Packages                                                 
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Hit precise/main TranslationIndex
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Hit precise-updates/main Sources
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Hit precise-updates/universe Sources
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Hit precise-updates/universe amd64 Packages
Hit precise-updates/multiverse amd64 Packages
Hit precise-updates/main i386 Packages
Hit precise-updates/restricted i386 Packages
Hit precise-updates/universe i386 Packages
Hit precise-updates/multiverse i386 Packages
Hit precise-updates/main TranslationIndex
Hit precise-updates/multiverse TranslationIndex
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Hit precise-updates/universe TranslationIndex
Hit precise-backports/main Sources
Hit precise-backports/restricted Sources
Hit precise-backports/universe Sources
Hit precise-backports/multiverse Sources
Hit precise-backports/main amd64 Packages
Hit precise-backports/restricted amd64 Packages
Hit precise-backports/universe amd64 Packages
Hit precise-backports/multiverse amd64 Packages
Hit precise-backports/main i386 Packages
Hit precise-backports/restricted i386 Packages
Hit precise-backports/universe i386 Packages
Hit precise-backports/multiverse i386 Packages
Hit precise-backports/main TranslationIndex
Hit precise-backports/multiverse TranslationIndex
Hit precise-backports/restricted TranslationIndex
Hit precise-backports/universe TranslationIndex
Hit precise/main Translation-en
Hit precise/multiverse Translation-en
Hit precise/restricted Translation-en
Hit precise/universe Translation-en
Hit precise-updates/main Translation-en
Hit precise-updates/multiverse Translation-en
Hit precise-updates/restricted Translation-en
Hit precise-updates/universe Translation-en
Hit precise-backports/main Translation-en
Hit precise-backports/multiverse Translation-en
Hit precise-backports/restricted Translation-en
Hit precise-backports/universe Translation-en
Fetched 25.1 kB in 30s (827 B/s)
Reading package lists... Done
root@ubuntu:/opt/hbase# sudo apt-get install hbase hbase-master
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  bigtop-jsvc bigtop-utils hadoop hadoop-hdfs libopts25 ntp zookeeper
Suggested packages:
The following NEW packages will be installed:
  bigtop-jsvc bigtop-utils hadoop hadoop-hdfs hbase hbase-master libopts25 ntp zookeeper
0 upgraded, 9 newly installed, 0 to remove and 119 not upgraded.
Need to get 70.1 MB of archives.
After this operation, 82.3 MB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Get:1 precise/main libopts25 amd64 1:5.12-0.1ubuntu1 [59.9 kB]
Get:2 precise-updates/main ntp amd64 1:4.2.6.p3+dfsg-1ubuntu3.1 [612 kB]
Get:3 precise-cdh4/contrib bigtop-jsvc amd64 0.4+352-1.cdh4.1.0.p0.29~precise-cdh4.1.0 [53.2 kB]
Get:4 precise-cdh4/contrib bigtop-utils all 0.4+352-1.cdh4.1.0.p0.28~precise-cdh4.1.0 [2,004 B]
Get:5 precise-cdh4/contrib zookeeper all 3.4.3+25-1.cdh4.1.0.p0.28~precise-cdh4.1.0 [4,087 kB]
Get:6 precise-cdh4/contrib hadoop all 2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0 [16.6 MB]
Get:7 precise-cdh4/contrib hadoop-hdfs all 2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0 [12.7 MB]
Get:8 precise-cdh4/contrib hbase all 0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0 [35.9 MB]
Get:9 precise-cdh4/contrib hbase-master all 0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0 [19.2 kB]
Fetched 70.1 MB in 8min 41s (134 kB/s)                                                                          
Selecting previously unselected package libopts25.
(Reading database ... 141003 files and directories currently installed.)
Unpacking libopts25 (from .../libopts25_1%3a5.12-0.1ubuntu1_amd64.deb) ...
Selecting previously unselected package ntp.
Unpacking ntp (from .../ntp_1%3a4.2.6.p3+dfsg-1ubuntu3.1_amd64.deb) ...
Selecting previously unselected package bigtop-jsvc.
Unpacking bigtop-jsvc (from .../bigtop-jsvc_0.4+352-1.cdh4.1.0.p0.29~precise-cdh4.1.0_amd64.deb) ...
Selecting previously unselected package bigtop-utils.
Unpacking bigtop-utils (from .../bigtop-utils_0.4+352-1.cdh4.1.0.p0.28~precise-cdh4.1.0_all.deb) ...
Selecting previously unselected package zookeeper.
Unpacking zookeeper (from .../zookeeper_3.4.3+25-1.cdh4.1.0.p0.28~precise-cdh4.1.0_all.deb) ...
Selecting previously unselected package hadoop.
Unpacking hadoop (from .../hadoop_2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0_all.deb) ...
Selecting previously unselected package hadoop-hdfs.
Unpacking hadoop-hdfs (from .../hadoop-hdfs_2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0_all.deb) ...
Selecting previously unselected package hbase.
Unpacking hbase (from .../hbase_0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0_all.deb) ...
Selecting previously unselected package hbase-master.
Unpacking hbase-master (from .../hbase-master_0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0_all.deb) ...
Processing triggers for ureadahead ...
Processing triggers for man-db ...
Setting up libopts25 (1:5.12-0.1ubuntu1) ...
Setting up ntp (1:4.2.6.p3+dfsg-1ubuntu3.1) ...
 * Starting NTP server ntpd                                                                               [ OK ] 
Setting up bigtop-jsvc (0.4+352-1.cdh4.1.0.p0.29~precise-cdh4.1.0) ...
Setting up bigtop-utils (0.4+352-1.cdh4.1.0.p0.28~precise-cdh4.1.0) ...
Setting up zookeeper (3.4.3+25-1.cdh4.1.0.p0.28~precise-cdh4.1.0) ...
update-alternatives: using /etc/zookeeper/conf.dist to provide /etc/zookeeper/conf (zookeeper-conf) in auto mode.
Setting up hadoop (2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0) ...
update-alternatives: using /etc/hadoop/conf.empty to provide /etc/hadoop/conf (hadoop-conf) in auto mode.
Setting up hadoop-hdfs (2.0.0+541-1.cdh4.1.0.p0.27~precise-cdh4.1.0) ...
Setting up hbase (0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0) ...
update-alternatives: using /etc/hbase/conf.dist to provide /etc/hbase/conf (hbase-conf) in auto mode.
Setting up hbase-master (0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0) ...
Starting Hadoop HBase master daemon: +======================================================================+
|      Error: JAVA_HOME is not set and Java could not be found         |
| Please download the latest Sun JDK from the Sun Java web site        |
|       > <                      |
|                                                                      |
| HBase requires Java 1.6 or later.                                    |
| NOTE: This script will find Sun Java whether you install using the   |
|       binary or the RPM based installer.                             |
invoke-rc.d: initscript hbase-master, action &quot;start&quot; failed.
dpkg: error processing hbase-master (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

I got the above error the first time so I checked if JAVA_HOME is set properly.

root@ubuntu:/opt/hbase# echo $JAVA_HOME

Since it seems ok, I decided to directly set JAVA_HOME in the hbase-master script

root@ubuntu:/opt/hbase# vi /etc/init.d/hbase-master

# Add this
export JAVA_HOME=/opt/java/jdk1.6.0_31

Lets try installing again

root@ubuntu:/opt/hbase# sudo apt-get install hbase hbase-master
Reading package lists... Done
Building dependency tree       
Reading state information... Done
hbase is already the newest version.
hbase-master is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 119 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? Y
Setting up hbase-master (0.92.1+154-1.cdh4.1.0.p0.23~precise-cdh4.1.0) ...
Starting Hadoop HBase master daemon: starting master, logging to /var/log/hbase/hbase-hbase-master-ubuntu.out

This time everything went well.
View the list of HBase configuration files.

root@ubuntu:/opt/hbase# ls -lth /etc/hbase/conf/
total 28K
-rw-r--r-- 1 root root 1.1K Oct 30 12:06 hbase-site.xml
-rw-r--r-- 1 root root 2.3K Sep 29 11:54
-rw-r--r-- 1 root root 4.2K Sep 29 11:54
-rw-r--r-- 1 root root 2.2K Sep 29 11:54 hbase-policy.xml
-rw-r--r-- 1 root root 2.5K Sep 29 11:54
-rw-r--r-- 1 root root   10 Sep 29 11:54 regionservers
root@ubuntu:/opt/hbase# cat /etc/hbase/conf/regionservers

Lets invoke the HBase shell and test.

root@ubuntu:/opt/hbase# hbase shell
12/10/06 15:07:20 WARN conf.Configuration: hadoop.native.lib is deprecated. Instead, use io.native.lib.available
HBase Shell; enter 'help' for list of supported commands.
Type "exit" to leave the HBase Shell
Version 0.92.1-cdh4.1.0, rUnknown, Sat Sep 29 11:55:59 PDT 2012

hbase(main):001:0> status
1 servers, 0 dead, 3.0000 average load

hbase(main):001:0> list
0 row(s) in 0.6370 seconds


hbase(main):002:0> create 'table1','cf1'


Here I encountered the second issue. For some reason the HBase shell would hang.
After googling around for quite some time I found a fix.

Update the /etc/hosts file and ensure that there is no that points to localhost and ubuntu
and comment out the ipv6 lines

root@ubuntu:/opt/hbase# vi /etc/hosts  hbase2       localhost ubuntu

# The following lines are desirable for IPv6 capable hosts
#::1     ip6-localhost ip6-loopback
#fe00::0 ip6-localnet
#ff00::0 ip6-mcastprefix
#ff02::1 ip6-allnodes
#ff02::2 ip6-allrouters

Also disable ipv6 as follows:

root@ubuntu:~# vi /etc/sysctl.conf 

and add the following lines to the end of it:

# Abhi: Disable ipv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Now restart the system

root@ubuntu:/opt/hbase# /etc/init.d/hbase-master restart
Restarting Hadoop HBase master daemon: stopping master...
Starting Hadoop HBase master daemon: starting master, logging to /var/log/hbase/hbase-hbase-master-ubuntu.out

Check if its running

root@ubuntu:/opt/hbase# jps
16353 Jps
15654 HMaster

Open the Hbase shell and lets play around with few commands

root@ubuntu:/opt/hbase# hbase shell
12/10/06 15:35:18 WARN conf.Configuration: hadoop.native.lib is deprecated. Instead, use io.native.lib.available
HBase Shell; enter 'help' for list of supported commands.
Type "exit" to leave the HBase Shell
Version 0.92.1-cdh4.1.0, rUnknown, Sat Sep 29 11:55:59 PDT 2012

hbase(main):007:0* list
0 row(s) in 0.0040 seconds

hbase(main):008:0> create 'table1','cf1'
0 row(s) in 1.0880 seconds

hbase(main):009:0> list
1 row(s) in 0.0160 seconds

hbase(main):010:0> scan 'table1'
ROW                           COLUMN+CELL                                                                        
0 row(s) in 0.0200 seconds

hbase(main):012:0> put 'table1','row1','cf1:greeting','Hello'
0 row(s) in 0.0590 seconds

hbase(main):013:0> put 'table1','row1','cf1:name','World'
0 row(s) in 0.0110 seconds

hbase(main):014:0> scan 'table1'
ROW                           COLUMN+CELL                                                                        
 row1                         column=cf1:greeting, timestamp=1349563833359, value=Hello                          
 row1                         column=cf1:name, timestamp=1349563858582, value=World                              
1 row(s) in 0.0350 seconds

hbase(main):016:0> get 'table1','row1'
COLUMN                        CELL                                                                               
 cf1:greeting                 timestamp=1349563833359, value=Hello                                               
 cf1:name                     timestamp=1349563858582, value=World                                               
2 row(s) in 0.0300 seconds

hbase(main):017:0> put 'table1','row2','cf1:greeting','Hi'
0 row(s) in 0.0140 seconds

hbase(main):018:0> put 'table1','row2','cf1:name','Abhi'
0 row(s) in 0.0080 seconds

hbase(main):019:0> scan 'table1'
ROW                           COLUMN+CELL                                                                        
 row1                         column=cf1:greeting, timestamp=1349563833359, value=Hello                          
 row1                         column=cf1:name, timestamp=1349563858582, value=World                              
 row2                         column=cf1:greeting, timestamp=1349563961204, value=Hi                             
 row2                         column=cf1:name, timestamp=1349563973437, value=Abhi                               
2 row(s) in 0.0730 seconds

hbase(main):020:0> get 'table1','row2'
COLUMN                        CELL                                                                               
 cf1:greeting                 timestamp=1349563961204, value=Hi                                                  
 cf1:name                     timestamp=1349563973437, value=Abhi                                                
2 row(s) in 0.0080 seconds


You can open a browser and go to http://localhost:60010/ to access the HBase monitoring WebUI

HBase WebUI

Updated on October 31, 2012
Note: I have changed the hostname of my system from ‘ubuntu’ to ‘hbase2’

Set the HBase Root Directory

Although we are able to play around with HBase – create tables, put and get data etc. the data will get deleted once we restart the system as it is transient. In the stand-alone mode everything is executed within a single Java process and the data/files get stored under /tmp by default. Most OS clear /tmp on reboot thereby removing all the data. To make the data persistent we need to edit the hbase-site.xml file and set the root directory.

abhi@hbase2:~$ sudo mkdir /opt/hbase/data/
abhi@hbase2:~$ sudo chown -cRvf hbase:users /opt/hbase/data/
abhi@hbase2:~$ ls -lth /opt/hbase/
total 8.0K
drwxr-xr-x 7 hbase users 4.0K Oct 30 12:47 data
abhi@hbase2:~$ sudo vi /etc/hbase/conf/hbase-site.xml


Restart hbase-master.

abhi@hbase2:~$ sudo /etc/init.d/hbase-master restart

Now when you create tables and enter data, the data will persist even after system restart.
Lets create a table and enter data.

hbase(main):005:0> create 'users','info'
0 row(s) in 1.1180 seconds

hbase(main):006:0> list
1 row(s) in 0.0090 seconds

hbase(main):007:0> put 'users','abhi','info:name','abhishek'
0 row(s) in 0.0660 seconds

hbase(main):008:0> put 'users','abhi','info:age','30'
0 row(s) in 0.0110 seconds

hbase(main):009:0> scan 'users'
ROW                                         COLUMN+CELL
 abhi                                       column=info:age, timestamp=1351626512340, value=30
 abhi                                       column=info:name, timestamp=1351626501011, value=abhishek
1 row(s) in 0.0350 seconds

hbase(main):010:0> flush 'users'
0 row(s) in 0.0750 seconds


Note: Always do a flush on your tables so that the data gets written as files in your filesystem.

In my next post we’ll see how HBase persists the data physically on the filesystem as files and directories.


Watching movies on TV using HDMI support in Ubuntu 10.04

The thing I love the most in Ubuntu 10.04 is the support for HDMI Audio. I like to plug my laptop (Dell Studio 1555) to my TV using HDMI cable when I need to watch a movie. Earlier when I had openSUSE 11.1, the display worked fine but the audio would still come out of my laptop speakers instead of the TV ones. This was quite a pain as I couldn’t sit back with my TV remote control and had to walk up to my laptop to increase/decrease the volume every now and then.
However this was the case only with the Linux distros as HDMI audio worked fine with Windows Vista. The good news is that with Ubuntu 10.04, HDMI Audio works perfect. All you need to do is just select “HDMI Stereo” as the Output option in the Sound Preferences dialog as shown below.

HDMI Stereo Output in Sound Preferences Dialog

I’ve setup a Bluetooth mouse and now I can sit back and use the mouse as a remote control.

Bluetooth Mouse Setup on Ubuntu 10.04

I’ve also installed a virtual keyboard “onBoard” to key in whatever text I need to run a command from the terminal.

GNome Virtual Keyboard - onBoard

I’m simply loving it 🙂

PostgreSQL 8.4 on Ubuntu 10.04

I’ve been struggling to install PostgreSQL Server 8.4 on Ubuntu 10.04.

I created a new user “postgres” using the Users Settings Tool (System > Administration > Users and Groups) and tried to install the PostgreSQL database server and pgAdmin III tool using the “Software Update Center”. Although the server seems to have been installed, I was unable to start it.
I tried the instructions mentioned at – to no avail.

Finally found the cause to be a bug –

Anyway, since I had to create a small Proof-Of-Concept for a project I’m working on, I really wanted to install PostgreSQL as the database.

So I went to the PostgreSQL site and downloaded the one-click installer from – I downloaded – postgresql-8.4.3-1-linux-x64.bin and followed the instructions at –

This was much simpler and I was able to install the server and all the necessary tools in less than 10 minutes. I now have a nice PostgreSQL 8.4 Menu under the Application Menu with a number of options viz. start server, stop server etc. These menu items along with the pgAdmin III tool definitely make working with PostgreSQL lot easier.

PostgreSQL 8.4 on Ubuntu 10.04

Ubuntu root password

Ubuntu has definitely been developed keeping user experience in mind and one of the ways it tries to do so is by cleverly keeping “root” out of the picture. You work with only one user account – one that was created during the installation process. Unlike other Linux distros where during installation you specify a root password, in Ubuntu you are prompted to create a regular user (as opposed to root) and you specify a password for that user. The root user does exist but one cannot explicitly log in as root.

abhi@abhidllx(~)$ su -
su: Authentication failure

All features that require a super user/root access are invoked by the regular user (abhi in this case) using “sudo”. Now this is totally fine for someone who is new to Linux and more used to the MS Windows world. I for one like to login using root instead of repeatedly specifying “sudo”. So I reclaimed my root password by following the instructions mentioned at –

abhi@abhidllx(~)$ sudo bash
[sudo] password for abhi: 
root@abhidllx(~)$ sudo passwd
Enter new UNIX password: 
Retype new UNIX password: 
passwd: password updated successfully

Now exit and login as root

root@abhidllx(~)$ exit
abhi@abhidllx(~)$ su -

Ubuntu 10.04 Lucid Lynx rocks!

I’ve been using openSUSE for quite some time now. Barring the ubiquitous driver issues that plague all Linux distros I’ve not had much to complain.
Over the last two years or so Ubuntu has been picking up steam.. at least the community seems very active. So I went ahead and downloaded the latest release – Ubuntu 10.04 Lucid Lynx. I opted for the 64-Bit Desktop Edition (ubuntu-10.04-desktop-amd64.iso).

The installation was super easy and was quite fast. Everything just worked fine – Graphics (Compiz), Sound, Webcam etc. It also gave me an option to use the proprietary driver for my ATI Radeon graphics card. I installed the ATI drivers and then configured Compiz cube and other visual effects.

Installing drivers or any other software for that matter is really simple on Ubuntu. I love the “Ubuntu Software Update Center”. I immediately downloaded Mozilla Thunderbird, VLC Media Player and few other must have utilities.
When I invoked Rhythm Box to play some songs it immediately prompted me to install the MP3 plugins. A button click and my MP3 plugins were installed.

Installing JDK and NetBeans was fairly straightforward as well.

Mozilla Thunderbird works fine but I ran into issues trying to install the calendar plugin – Lightning. There seems to be some issue with its 64-bit version and lot of other folks been struggling with it too.

Using VirtualBox – Ubuntu 7.04 on openSUSE 10.3

My first shot at OS virtualization was almost a year back when I dabbled with
VMWare to run Solaris on my Windows XP. When I read about Sun’s acquisition of innotek – makers of
VirtualBox, I decided to check it out.
So I downloaded the latest RPM of VirtualBox for
openSUSE 10.3 and installed it on my system. The installation was very simple and
within minutes I was able to install Ubuntu 7.04 as a guest OS on my openSUSE.

Following is how I went about it:

1. Execute VirtualBox application.

2. Create new virtual machine for installing Ubuntu 7.04

3. Configure virtual memory and hard disk

The Virtual machine gets created successfully.
However, in order to start it, the user needs to be part of the group – vboxusers

4. Add user to the group – vboxusers

5. Modify settings – CD/DVD ROM, Shared Folders etc.

6. Configure host key in preferences – F12 in this example.
This is the key which will be used to toggle mouse/keyboard inputs between guest and host OS

7. Insert the guest OS installation DVD in the drive and start the virtual machine.
The machine boots from the CD/DVD Drive and begins installation of Ubuntu 7.04

8. Accessing the web from the guest OS.
Note: To run the guest OS in fullscreen mode press [hostkey] + F i.e. F12+F in this case.