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Articles in the Linux Category

Linux, Web »

[20 Feb 2011 | No Comment | ]
Fatal error: Allowed memory size of 33554432 bytes exhausted

For the most part, WordPress is easy to use and you can set up your site in a few hours. This assumes everything works as expected. If things don’t work out as you have expected, then it will take some more troubleshooting to get to the root cause of the problem.

Linux, Windows »

[19 Feb 2011 | No Comment | ]
Disable SSLv2 and Weak Ciphers

Are you still using Secure Socket Layer (SSL) version 2 on your web server? If so, you need to read this article. It can save your life. Okay, maybe not that dramatic but it will show you how to disable SSLv2. Why? There are vulnerabilities in this version. If you don’t disable it, your web server might get compromised. This vulnerability exists whether you are running Apache or IIS. The steps to disable it are fairly trivial. So go ahead and tr

Linux »

[18 Feb 2011 | No Comment | ]
How to Use Linux Screen

What is screen? No, it is not what you are looking at right now. In Linux, screen is a window manager that allows you to have multiple terminal sessions. The power of screen comes from having the ability to disconnect and reconnect your SSH connections even when you have processes running.
As an administrator, this is very useful when you work with multiple machines. The ability to work with virtual windows that you can come back to at a later time is worth considering.
Starting Screen
Screen is started by typing screen on …

Linux, Macintosh, Web, Windows »

[16 Feb 2011 | No Comment | ]
Free Stuff

Are there free stuff on the web? Sure, there are plenty of them. Many sites offer free content. They cover their costs from ads placed throughout their site. Which sites that are free actually provide good content? Here is a collection of free sites I have found.

Linux »

[15 Feb 2011 | No Comment | ]
How to Run a Cron Job

How do you schedule a program to run at a scheduled time? How to run cron job at 8:30 pm? Learn about cron jobs and a lot more here.

Linux »

[14 Feb 2011 | No Comment | ]
Send Mail From the Command Line

If you use a Linux system, you probably already know about the Terminal and the power provided to you from the command line. If you use the command line, did you know that you can use the command line to send email?
Sure, you can use such clients as Gmail, Yahoo Mail or Hotmail to send and receive email but what if you want to send email for a cron job or send a quick email to test your email client? How would you do it?
Use sendmail to send email from …

Linux, Web »

[12 Feb 2011 | No Comment | ]
Method Not Implemented

Let’s say that you have a site powered by Joomla. Everything is working as expected. You can do everything you need to do and then one day, you are not able to submit or edit an article. You have not made any changes to your site (e.g., code changes to Joomla)

Linux, Macintosh »

[12 Feb 2011 | No Comment | ]
Installing Ubuntu 9.10 on a Mac

If you are using a Mac, you might be tempted to stay away from any other operating system. Since the Mac is so easy to use and has a nice user interface, why would you bother using anything else?

Linux »

[12 Feb 2011 | No Comment | ]
Linux Howto for Everyone

Are you a Linux newbie? Do you want to know more about Linux? Sure, but where you do start? You start right here.

Linux »

[12 Feb 2011 | No Comment | ]
Install Adobe Acrobat Reader on Ubuntu

Question: How do I install Adobe Acrobat Reader on Ubuntu? Do I need to install it?

Linux »

[7 Feb 2011 | No Comment | ]
Things To Do After Installing Ubuntu

Out of the box, Ubuntu comes with a lot of applications already installed. However, there are some additional steps you may wish to add or configure after installing Ubuntu. If you don’t know what is Ubuntu, you should start by going here. You will be glad you did. Ubuntu is a Linux-based operating system which means it is free of charge. It will open your eyes to a brand new world you have never experience before especially if you have been using Microsoft Windows all your life.

Linux »

[7 Feb 2011 | No Comment | ]
How to Install VMWare Server on Ubuntu

VMWare Server is a free software from VMWare that allows you to run multiple guest operating systems (“virtual machines”) such as Windows, Linux, FreeBSD, etc. on a host operating system. For example, when you install VMWare Server on Ubuntu, you can run a virtual instance of Windows XP and a virtual instance of FreeBSD at the same time.
As long as you have enough memory, processor and disk space, you can be running several virtual instances on one host operating system. VMWare Server allows you to save on hardware equipment and …

Featured, Linux »

[6 Feb 2011 | No Comment | ]
Useful Linux Commands

Commands and more commands. Linux comes with many, many commands. They are powerful but they can be overwhelming. Learn a few of these commands and they will become second nature. It just takes practice and running the commands a few times. Afterwards, you will wonder how you managed to survive in the Linux world without it.

Linux »

[6 Feb 2011 | No Comment | ]
Installing a Wireless Driver with NDISwrapper

Sure, wireless is supposed to make everything easier but the trouble is, you have to set it up the first time. It can be somewhat challenging setting it up on Linux. There are some steps you have to do before it can be installed correctly. You think it would be plug and play but for some reason, it requires a little bit more tweaking. Go figure. Eventually, it will get easier and it will become installed by default. In the meantime, you can follow this process to set it up.

Linux, Programming, Windows »

[6 Feb 2011 | No Comment | ]
Useful Regular Expressions

From the words of Peter Parker “With great power comes great responsibility” so too is the power of regular expression. It is concise, flexible and powerful. At the same time, it can do complex matching of text such as characters, words and patterns of characters.