Category Archives: Linux

Batch-resize videos on Ubuntu Linux with ffmpeg

Posted on March 19, 2017 by Ahmed Tawfik

So, the case is as follows: I have about 15 videos files that were recorded at 4K and are very large in size. I wanted to keep everything as is, but just reduce the resolution to HD (720p). ffmpeg would … Continue reading →

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Allow non-root users to capture network packets with Wireshark on Ubuntu

Posted on February 28, 2017 by Ahmed Tawfik

It’s very easy to do, all you need is just add your user to the wireshark group, e.g. sudo adduser hobba wireshark so this makes user hobba able to capture packets without requiring sudo privileges. Enjoy! Tested on LinuxMint 18.1 … Continue reading →

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How to encrypt a USB Flash Drive in Ubuntu using LUKS

Posted on January 3, 2017 by Ahmed Tawfik

We lose USB Flash drives all the time, so if you hold any sensitive or personal stuff, you’d better have it encrypted, just in case. Important Notes: This works only on Linux, won’t work on Windows or MAC Before you … Continue reading →

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Compress PDF Files Effectively in Ubuntu

Posted on October 27, 2016 by Ahmed Tawfik

Found a great script that does an amazing job with compressing PDF files whilst maintaining a good quality: Get the script from here: http://www.alfredklomp.com/programming/shrinkpdf/ Just copy the script to a text file and make it executable, then run: ./shrinkpdf infile.pdf outfile.pdf … Continue reading →

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How to solve Google Chrome Flickering on Ubuntu 16.04

Posted on October 23, 2016 by Ahmed Tawfik

Just do the following two steps: sudo nano /usr/share/applications/google-chrome.desktop Scroll down to the “Exec” line Add two additional parameters, so that it looks like this: Exec=/usr/bin/google-chrome-stable –disable-gpu-driver-bug-workarounds –enable-native-gpu-memory-buffers %U That’s it, now restart Chrome and it shall work perfectly! I … Continue reading →

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