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Ubuntu
Openvpn 2.3 on Ubuntu VPS PDF Print E-mail
Written by FHM   
Wednesday, 12 June 2013 15:52

In this article, I will document the steps I did to install the latest OpenVPN version on Ubuntu 12.04. The latest version as of this writing is OpenVPN 2.3.2 vs the version of OpenVPN in the Ubuntu repos which is stuck at OpenVPN 2.2.1. I use OpenVPN to get a US IP for Netflix streaming from outside the US, this article explains more.  If you are all new to this and don't have time nor idea on how to install software, there is still hope for you, just read this article on how I started accessing geo-locked sites.

I installed this on my RamNode VPS and BlueVM VPS, I have signed up as an affiliate for both services, so if you are in the market for a VPS please use this link or this link to help me out.

Before anything, all VPN will degrade your internet speed because of the overhead of encryption, compression, latency, etc.  My experience in having my Asus RT-N16 as the VPN client, I get a performance hit of about 10-15%.  So please bear this in mind, that your speed will slow down a bit.

There basic steps in having a OpenVPN Server running on Ubuntu are the following:

  1. Enable TUN/TAP of your kernel (this is easily done via the SolusVM control panel)
  2. Add the repos of OpenVPN to your current repos to get the latest version
  3. Update the repos and install OpenVPN
  4. Download the Easy-RSA tool
  5. Configure the necessary certificates for your OpenVPN server
  6. Configure the Server options for your OpenVPN servers
  7. Configure/Match the Server options in a configuration (.OVPN) file for your clients.
  8. Transfer the required client certificates to your client computer, IPad, Android device, etc
  9. Import the downloaded client certificates to your OpenVPN client
  10. Connect
Last Updated on Saturday, 01 March 2014 16:31
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Backing up MySQL PDF Print E-mail
Written by FHM   
Wednesday, 26 May 2010 15:49

Backing up MySQL can be a chore, especially doing it manually. It's a good thing, Ryan Haynes posted a short script that should automate backing up in the MySQLDump reference manual page, it was further enhanced by Bill Hernandez in the same post. I have added my own tweaks to the script, and am using it to backup my MySQL databases. Read on to get the script.

Last Updated on Saturday, 08 June 2013 19:04
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Install Adempiere ERP on Ubuntu Karmic Koala PDF Print E-mail
Written by Administrator   
Sunday, 25 April 2010 20:16

 

Adempiere is an open source ERP solution which is another fork of the popular Compiere ERP. In any case, it took me a while to figure out the installation as the Adempiere site does not have a very clear installation procedure. So to help me remember and probably help out others, I have compiled below the steps to install Adempiere. There are only a few requirements for Adempiere to work, Java, Postgres (my preference), and Adempiere. If your are installing on Ubuntu Server Edition, you need to install X11, I have included it here.

So let's go.

 

 

Last Updated on Wednesday, 06 October 2010 12:25
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How our office moved to Ubuntu PDF Print E-mail
Written by FHM   
Saturday, 18 July 2009 18:06

This is not a review of the Ubuntu OS, but rather my adventure to look for an alternative OS.  This adventure stemmed not from a general hatred of Windows but rather the need to look for a more affordable alternative for Windows.  First a background about myself, I am definitely a computer geek started out in the 80s with the old Apple ][ when I was still 12, moved on to DOS, XENIX, AIX, WIN 2.0, 3.0, 3.1, NT.  Did my fair share of tinkering from those early times with the hardware, but I am mostly a software guy.  I do programming and have focused on RDBMS  development work.  But I am also a part of our family business which owns a small food chain in Asia.  My general responsibility is of course handling the MIS requirements of our company but I do also have other responsibilities on the Sales and Operations and Marketing aspect of the business, of course, being part of the owners, I do need to be part of all the aspects of our company.   Before joining our company, I was employed in several Software Development houses and also some Software Sales companies.

Last Updated on Saturday, 18 July 2009 20:48
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How to create a user with a blank password in Ubuntu PDF Print E-mail
Written by Administrator   
Saturday, 11 July 2009 20:28
There are times when you just need to create a user that does not require a password.  I have young kids and I trust them but they don't know the concept of security and just know how to login and play.  In XP, creating a user with a blank password is as easy as clicking the 'Remove my password' in User Accounts.  In Ubuntu, however, there are no remove passwords that you can find.  Although, it is not evident, creating a user with a blank password is not that difficult but does require that you do know how to use the terminal.
Anyway, to create a user with a blank password in Ubuntu Hardy, do the following.
Go to System -> Administration -> User and Groups
Create a new user include a new password, this does not really matter so just create anything that comes to mind.
Open a terminal (Applications -> Accessories -> Terminal)
Type su and enter your root password (this will switch you to the root user)
Type gedit /etc/shadow (you can use your favorite editor if you don't like gedit)
Look for the line containing your new user
newuser:$1$5druSp26$nVpXn5EVk73sWzZlhLuXNB1:13996:0:99999:7:::
Replace the highlighted text with U6aMy0wojraho
newuser:U6aMy0wojraho:13996:0:99999:7:::
Save the file
That's it, the user now contains a blank password. You can now login without the password.  Enjoy!
There are times when you just need to create a user that does not require a password.  I have young kids and I trust them but they don't know the concept of security and just know how to login and play.
Last Updated on Wednesday, 03 November 2010 18:47
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