apache configuration file location

grep -rnw 'directory' -e "text-to-search"

-r is recursive, -n is line number and -w stands match the whole word.

grep --include={*.c,*.h} -rnw 'directory' -e "pattern"

This will only search through the files which have .c or .h...

1.First of all make sure that your server can parse both php and rails application.

2. Make a blog directory in side the public folder of rails application.

3. Deploy all WordPress content inside blog directory.

4. Configure your database conne...

In Rails programming you might seldom come across the below statement

$:.unshift File.dirname(__FILE__)

$: represents load path in Ruby.
Its a pre-defined variable and short hand for $LOAD_PATH which ruby uses to look for files.

unshif...

After installing sublime text, we must be able to open text files with it. Right click on a text file and you must see the option "open with sublime text". In case you don't , click Open with other applications and you should see Sublime text opti...

If you have to work with older versions of Rails, there might be discrepancy between the versions of Rails and Rubygems. Theats when you likely see the below message when you try to boot your rails app.

/home/lt-pc-528/.rvm/gems/ruby-1.8.7-p...

when the file names were actually in japaneese, IE by default will not converting the links from Japanese text to unicode URL format i.e %20. Here is the fix that required

<a href="<%= product.product_image.url) %> ">SOME FILE NAME</a>
CHANGE...

In linux, we often see the use of ./ or ../ before a file name. Here is the explanation for the same

.  Current Directory
.. Parent Directory

./filename  # referring to file name in current directory
../filename # referring to file name in p...

To use Ack, make sure you have Perl installed and run the following commands in Ubuntu

sudo apt-get install ack
sudo apt-get install ack-grep

Now you can use ack-grep command to search for matches in the files

ack-grep -i some-text
#...

sudo: /etc/sudoers is mode 0640, should be 0440?

When a similar message appears when you try to run sudo on your machine, the problem is likely with the permissions of /etc/sudoers file.

Try running

pkexec chmod 0440 /etc/sudoers

```...

For Chromium browser versions greater than 34, to use flash one must install Pepper flash.

For Ubuntu 14.04 or newer, run

sudo apt-get install pepperflashplugin-nonfree
sudo update-pepperflashplugin-nonfree --status 
# to see what version of...