How to See Hidden Files on Linux, Mac and Unix

Files and directory names starting with a dot are treated as hidden files on operating systems derived from Unix. That means you won’t normally see these dot files in Mac OS X, Linux, FreeBSD or enterprise Unix. Linux includes Ubuntu, … Continue reading

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What’s the Best Linux Distro according to Google?

What’s the best Linux distribution? Here are the top Linux distros according to global search volumes in Google. Best Linux Distro by Number of Google Searches One way to find the most popular Linux version is to look at the … Continue reading

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The Six Most Common Htaccess Problems and How to Fix Them

Is your Apache htaccess not working? Here are the top reasons why an htaccess file may not work, and how get your htaccess working. Htaccess Problem #1: No Dot Before the Filename The .htaccess file’s filename must start with a dot, like … Continue reading

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How to Find a Yum Package

Yum (Yellowdog Updater Modified) is a utility for finding, installing, updating and removing software on Linux. It runs on rpm-compatible Linux distributions, e.g. RedHat, Fedora, SUSE, CentOS, Mandriva. Get the Yum Package Name by Just Using the Software’s Name When … Continue reading

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How to Redirect a Domain Using an Apache .htaccess File

Why Redirect From Your www Domain to Your www-less Domain For example, why would you redirect from to To search engines these are two different domains with identical content. Your incoming links may get spread between the two … Continue reading

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Install the PHP DOM Extension on CentOS – the Easiest Way

Here we cover the fastest, most effective way to get the PHP DOM extension installed on CentOS. If you’ve just found out you need to install this extension, but don’t really know what it is, we’ve included some background first. … Continue reading

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How to Install Vim on CentOS

To install vim, run the following command from a CentOS shell: sudo yum install vim-enhanced.i386 Tested on CentOS 5.3 (32 bit). How to Find the Yum Package for Vim To find the command, run: yum search vim The gives you … Continue reading

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How to Find Your CentOS Version

Someone’s given you a CentOS server to do some work on, perhaps putting up a website. “What version of CentOS is it running?”, you ask. “I don’t know” is a pretty common answer, or “version 5, I think”. The CentOS … Continue reading

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How to Find Your Ubuntu Version

To get your version of Ubuntu, run either of these commands from a terminal session. To start a terminal session in Ubuntu’s graphical desktop go to the Applications menu and choose the Terminal item). There are at least two ways … Continue reading

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Httpd.conf’s Location on CentOS, Ubuntu, Red Hat, Mac and Others

Here’s where to find the Apache 2 web server configuration file httpd.conf The httpd.conf directory differs across Linux & Unix variants like CentOS, Mac OS X, Red Hat, Ubuntu and XAMPP Mac. This table lists the httpd.conf location for each … Continue reading

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