Oracle 10g Installation on Ubuntu

The link problem
The installation process stops midway, complaining about a certain make target having some error message.

Read this post for fixing that :
Here

Thought the post points to an older version of Ubuntu, it works on Gutsy just as good.

Things to do to make it work automatically on each reboot :

1. create a script in init.d, Sample Here

2. Create further links for that script in diff rc.d directories. Remember, the suggested commands in the page referred above are not correct completely. The path needs to be changed. So, check ur box, and then update the path.

3. In the script, there is no reference to the listener start/stop thing, u got to do that urself. So, add ${ORACLE_HOME}/bin/lsnrctl {start|stop} before the dbstart and dbshut respectively.

Here's my copy for reference...

----------------------------
#! /bin/sh -x
#
# Change the value of ORACLE_HOME to specify the correct Oracle home
# directory for your installation.

#ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1
ORACLE_HOME=/media/sda8/oracle/product/10.1.0.1
#
# Change the value of ORACLE to the login name of the
# oracle owner at your site.
#
ORACLE=oracle

PATH=${PATH}:$ORACLE_HOME/bin
HOST=`hostname`
PLATFORM=`uname`
export ORACLE_HOME PATH

case $1 in
'start')
${ORACLE_HOME}/bin/lsnrctl start
$ORACLE_HOME/bin/dbstart $ORACLE_HOME &
;;
'stop')
${ORACLE_HOME}/bin/lsnrctl stop
$ORACLE_HOME/bin/dbshut &
#$ORACLE_HOME &
;;
*)
echo "usage: $0 {start|stop}"
exit
;;
esac
#
exit

----------------------------

4. The files at $ORACLE_HOME/network/logs behave strangely when root tries to start a listener. So, mark them 777 and then the listener control from root works fine.

When i know more, I would post...

Rails Links

Rails Forum
Ruby Forge
Ruby on Rails
Ruby Language
Ruby Doc
Ruby Wiki
Working with Rails
Rails Wiki
Redhill Rails
Bryan on Rails
hikikomori Rails blog

Controllers dont respond when...

I had this problem when the server is running nice and fine, but the controllers wont respond. Look at this post http://railsforum.com/viewtopic.php?pid=36358.

And then I realized the reason for the problem, quite by chance actually, but I found that the current location while launching the server program did matter.

When I start the server from the application-root directory (.../railsapp/sampleApp/ ) using ./script/server it always works fine.

However, if I start the server from .../railsapp/sampleApp/script using ./server it doesnt work.

I think the trick is that from application-root it seems all the application components and directories etc.

Its not a big thing, though I now wish that it was documented properly somewhere.

cheers
raghav..

Catching up...with rails

Well, I have been reading and experimenting a lot with rails past days.. but didnt really take time out to report anything significant...

First things first, I am deeply interested in this thing now... I am getting more and more into this with each new experiment I come across.

As I mentioned, I have had my experience with web programming, (with Java, J2EE in 2001-2) but that was very different. I was a novice to IT industry in more than one ways... and if I compare what we had to do at that time to make one servlet run on a given app server, current effort looks minuscule. Its just so much more simple.. easy.. I like it.

In the meantime, I have been working on different technologies, really far away from the web world. But, after my brush with ruby, I am actively thinking of getting into more web based app development.

In the days that passed by, I have tried to follow a few tutorials which were really nice starters for me. I list them here...

1. links courtesy Ruby on Rails site (www.rubyonrails.org). These tutorials might be old in time, but they are still excellent starts for ruby on rails
   
1. part 1
2. part 2
3. part 3

And then, I got hold of some books on ruby on rails...

Agile web development with rails 2nd Edition, is a masterpiece for rails starters. May be I liked it more given my background in programming, but I have to say, it just such a nice book... I really have to give the writer guys full marks for putting across such a nice book. Great work guys.. keep it up.

Making the fonts look better on Ubuntu

Hi,

Just found a better way of rendering fonts on Ubuntu..

I was looking for making the fonts look better on my Feisty Fawn. While searching, I hit this - http://jaganath.wordpress.com/2006/07/16/ubuntu-install-log-6-finally-os-x-like-font-rendering-in-linux/

The following page suggests some tips/packages to be installed for better rendering.

http://ubuntuforums.org/showpost.php?p=1041769&postcount=1

However, I must warn that, after installing the attached files, the system will be BROKEN. Not because what he is suggesting is incorrect in any way, rather just because in Feisty fawn the same packages are

1. available in the repositories
2. available in newer versions.

And therefore, I would suggest installing the packages from the standard Feisty repository. Following commands can be useful -

sudo apt-get install libcairo2 libcairo2-dev libfreetype6 libfreetype6-dev libxft2

And, lest I forget to mention, run the following command...

sudo dpkg-reconfigure fontconfig-config


Hope that its useful. AND, I must say, the suggestion for the fonts settings work excellently.. absolutely great.



have fun
raghav..

Introduction to Rails

Well,

I have worked with C, C++, Java and shell scripts in past. And I never really was looking for learning another programming language till I met Mr Marcel Canclini. Marcel as we all call him, is an ardent Apple fan and been playing around with ruby on rails for a few months now.

I intend to make this a record of what I experience with ruby on a regular basis and how I progress...

Order for installing ruby gems locally

For installing ruby on rails basic framework when u dont have access to internet, you could follow the following order of installing gems...

Install Ruby

Install RubyGems

Install different gems

1. Rake
2. ActiveSupport
3. ActionPack
4. ActionMailer
5. ActiveRecord
6. ActionWebService
7. Rails

Also found some more info on installation of rails when internet connection is actually available. Here's the source of info, the rails wiki site

1. Installing Ruby

1. sudo apt-get install ruby irb ri rdoc ruby1.8-dev build-essential

2. Installing Ruby Gems

1. sudo apt-get install rubygems

3. Installing Rails

1. sudo gem install rails -y

4. Installing MySql

1. sudo apt-get install libmysql-ruby mysql-server libmysqlclient15-dev

2. sudo gem install mysql

Some more documentation on Ubuntu site