Showing posts with label Linux. Show all posts
Showing posts with label Linux. Show all posts

Saturday, April 21, 2007

Setting Up a Linux Box

I spent numerous hours last week trying to recuperate my skills on setting up a Linux machine properly to run a dedicated MySQL Database for our Showcase - list of applications powered by Covalentia. The Mirror Site is now running two separate machines - one application (web server) and one MySQL Database server.

Please refer to my previous entry on how to install MySQL on a Fedora Core 4. After doing all that, I had to tweak a few things to make it work:
  • Configuring MySQL database
    • gedit /etc/my.cnf
  • Add the following line under the [mysqld] section:
    • lower_case_table_names = 1
  • Configure the Replication Slave Section, please refer to my previous entry
  • Save the file
  • Restart the MySQL Server
  • Next, configure the VNC Server so that I can access the server remotely
    • gedit /etc/sysconfig/vncservers
    • Uncomment VNCSERVERS:"1:cozta"
    • Uncomment VNCSERVERARGS:"-geometry 1280x800 -depth 16
    • Save the file
    • gedit /home/cozta/.vnc/xstartup
    • Uncomment unset SESSION_MANAGER
    • Uncomment exec /etc/X11/xinit/xinitrc
    • Save the file
  • Restart VNC Server
    • service vncserver restart

I think that's about it ;)

And NO, we don't host gold or moolah on any of our server. So, if you're a hacker, DO NOT try to hack them because you're not gonna get anythin'. Go play someplace else (or with somethin' else or with yourself) :)

Saturday, April 7, 2007

Installing MySQL 5.0 on Fedora Core 4

By default, I’m a Windows user. The last time I used Linux or Unix platform heavily was back then in Cornell, around 10 years or so ago. I have lost my touch and limited skills, and I think it’s time to hone them.

The goal is to run MySQL 5.0 and PostgreSQL on Fedora Core 4 so that I can do various testing and development works, such as replication (I don’t have enough machines to do clustering and so that has to wait) and perhaps start on my Mono project.

The first thing to do was to Google on ‘how to install fedora core 4’ and ‘how to install mysql 5 on fedora core 4’. Well, I didn’t really like what I saw – a lot of people complained about plenty of problems. But, surprisingly, it didn’t take me too long to successfully get the box up and running. Or may be I was just lucky, heh.

  • Pentium 4 1.4GHz
  • 256MB of RAM
  • 40G Hard Drive
  • Boot to Fedora Core 4 DVD and install using the graphical interface
  • Skip the Media Check
  • Select the Server installation
  • Disable the Firewall and SELinux
  • Add the followings in the Packages:
    • Gnome – IMHO Gnome is much better than KDE, but some other people think otherwise. It’s totally up to you
    • Graphical Internet
    • FTP
    • MySQL Database
    • Development Tools
  • Click through to complete the installation
  • Create a default user
  • Login to the box using root
  • Open up Firefox and download the followings:
  • Remove the existing MySQL 4.1:
    • yum remove '*mysql*'
  • Install MySQL 5.0 Server & Client:
    • rpm –i MySQL-server-community-5.0.37-0.rhel4.i386.rpm
    • rpm –i MySQL-client-community-5.0.37-0.rhel4.i386.rpm
  • Start, Stop & Restart MySQL Server, and create a root password:
    • /etc/init.d/mysql start | stop | restart
    • mysqladmin –u root password ‘’
  • Login to MySQL Client:
    • mysql –u root –p
    • Enter your root password
    • mysql> drop database test;
    • mysql> quit;
  • Install MySQL GUI Tools (Administrator & Browser):
    • rpm –i ptt-beta2.i386.rpm
    • rpm –i j2re-1.4.2-11.2.el4.rf.i586.rpm
    • rpm -i MySQL-shared-compat-5.0.37-0.rhel4.i386.rpm
    • tar –zxf mysql-gui-tools-5.0r11-rhel4-i386.tar.gz
    • rpm –ivh mysql-gui-tools-5.0r11-1rhel4.i386.rpm
    • rpm –ivh mysql-administrator-5.0r11-1rhel4.i386.rpm
    • rpm –ivh mysql-query-browser-5.0r11-1rhel4.i386.rpm
  • Finally, run your MySQL Administrator (from Start Menu -> Programming -> MySQL Administrator) and enter your login information:
    • Server hostname: localhost
    • Username: root
    • Password:

And we're DONE!

At the moment, I have this box running as a Slave server (READ only) for the Covalentia.2.2 (Enterprise Edition) Live Demo at our Mirror Site at covalentia.dyndns.org. Feel free to check it out ;)