Tag Archives: 2013

Sort files with ls by last modified date and time.

The ls –help come with this args :
-t sort by modification time, newest first
You need to pass the -t option to the ls command to sort by time modified.

Also if you want to reverse the order of the sort then use -r option.

Let see one example:

with iso time style

with full-iso time style

with long-iso time style

Posted in All, Commands, Linux. Tagged with , , .

How to convert mkv file into avi file format with ffmpeg.

This is very simple. You need to use ffmpeg tool.
If your file is named my_file.mkv then use this command:
ffmpeg -acodec copy -vcodec copy -i my_file.mkv out_file.avi
The output will be out_file.avi with directly copy the audio and video streams from the mkv to an avi .

Posted in All, Commands, Linux, Windows 7, Windows 8, Windows XP. Tagged with , , , , , , .

How to Change the Timezone in Linux.

A time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes. It is convenient for areas in close commercial or other communication to keep the same time, so time zones tend to follow the boundaries of countries and their subdivisions.

How to do that into linux OS?

It changes /etc/localtime …

You will see this window to setup your localtime.


Another way to change the localtime it’s:

and select your local time by region …

Posted in All, Commands, Linux. Tagged with , , , .

How to show your passwords saved in Chrome.

It’s very easy , just open one google chrome tab and write this :
Now you can see one new window with your saved passwords …

Posted in All, Linux, web, Windows 7, Windows 8, Windows XP. Tagged with , , , , , .

Terms SEO , SEM , SEP , PPC / CPC …

SEO (search engine optimization) – is the process of affecting the visibility of a website or a web page in a search engine’s.

SEM (search engine marketing) – is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages.

PPC/CPC (pay per click) is an internet advertising model used to direct traffic to websites, in which advertisers pay the publisher when the ad is clicked.

SEP (search engine positioning) is to describe the ordering process of indexed websites being ranked by a search engine algorithm in response to a query and use of search engine optimisation to achieve a higher search engine position.

All this will incressing your website rank and many users will come to see your website.

Those are the number of searches recorded since 2004 on Google for SEM vs. PPC vs. CPC.

The SEM is not always include SEO.

Can you see relation between keywords : SEM >= PPC + CPC here.


Posted in All, web. Tagged with , .