Author Archives: Ahmed Tawfik

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About Ahmed Tawfik

Cybersecurity Professional, Systems Engineer, OSS & Linux Geek

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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Improve Intel Graphics Performance on Ubuntu 16.04 (and variants)

Posted on February 23, 2017 by Ahmed Tawfik

This solved a very annoying problem for me, as the screen was heavily tearing and I didn’t like the video playback performance. All you need to do is the following: If you are using Ubuntu 16.04, then you don’t need … Continue reading →

Posted in linuxmint, Ubuntu, Uncategorized | Tagged , , | 4 Comments

How to enable 3D Acceleration for guests in VMWare Workstation Pro 12.5

Posted on January 17, 2017 by Ahmed Tawfik

Just edit the file ~/.vmware/preferences and add the following line mks.gl.allowBlacklistedDrivers = “TRUE” That’s it, enjoy! Source: http://askubuntu.com/questions/537787/enable-3d-hw-acceleration-on-vmware-workstation-10-on-ubuntu-14-04

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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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