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At times, we need to combine multiple pdf file’s into one pdf file. However, instead of running to get a dedicated program to join the multiple pdf’s, here is a simple & fast way to do so.

Convert command can be used to merge multiple pdf’s into one. Convert command is a subset of the ‘ImageMagick’ suite of tools. So you’ll need to install it first from your distribution’s repository. On a Fedora/Red Hat system it can be done by;

#yum install ImageMagick

Once installed, simply open a terminal & navigate to the directory where you have the multiple pdf’s which need to be merged into one pdf. Once there issue;

$convert file1.pdf file2.pdf output.pdf

I created a calendar for the coming year & in all had 12 pdf’s for each month which I wanted to be merged into one. Hence, I issued the following;

$convert Jan.pdf Feb.pdf March.pdf April.pdf May.pdf June.pdf July.pdf August.pdf September.pdf October.pdf November.pdf December.pdf calendar.pdf

Here my output pdf file will be named ‘calendar.pdf’. Once you execute the above command, it will take sometime(depending on how big or small & how many pdf’s are) and once done it will return you to the prompt. Now your merged pdf file will be saved in the same folder by the name you gave in the command above.

That’s it! It’s so easy.

RSync is useful for fast incremental transfer of data. It is very popular across business organizations as it comes with some pretty handy features which sets it apart from the rest. Some of them are;

1) Security – One can transmit the data using the ssh tunneling which provides encryption & safety from eavesdroppers.

2) Speed – Since rsync transmits only the data which has changed over subsequent time, the transmission is fast as only the bits which are changed are transferred & not the entire file. This can mean tremendous saving of time. It also comes with options which lets you fine-tune the transfer which can further improve the transfer speed.

3) Less Bandwidth Intensive – Rsync uses compression & decompression algorithms at the sending & receiving end respectively. This not only speeds up the transfer but also saves the bandwidth.

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Festival of Lights – In Motion

Diwali, the festival of lights. During the festival, the entire city is adorned with sparkling lamps, colouful lanterns(kandils) & rice lights(torans). The atmosphere is of utmost happiness as the festival marks the triump of goodness. I hit the streets to capture all the energy & passion of this festival & here is my take on the ‘Festival of Lights’. Hope you enjoy & get soaked in the festive spirit. Cheers! :)

Composition plays an important role in a photograph. Composition can be though like the presentation or arrangement of the various elements in a scene. It is the composition which often makes a good photograph into a great photograph. Often photographers neglect this aspect & even though their pictures are perfect in other aspect(light, subject etc) but they still fail to leave a mark, as they lack a strong composition.

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In Better Photography October 2013

I renewed my subscription of Better Photography(BP) magazine yesterday & the BP team member instantly handed me the copy of this month. I placed the copy in my bag & went through my day. In evening as I was waiting for my turn at the dentist, I pulled out the magazine & began flipping. To my uttermost surprise, it had a picture from me in the critique section of the magazine.

BP Oct 13

This picture was taken by me in 2009 2011 with my compact camera Canon Powershot SX100 IS. I had mailed it to BP somewhere in 2010 May 2011 & it got published in October 2013. It bought a good long smile across my lips. As they say, “better late than never”. If you’ve bought the magazine this month, do check out page no.102 for my photograph in full glory.

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