Author Archives: Ahmed Tawfik

Unknown's avatar

About Ahmed Tawfik

Cybersecurity Professional, Systems Engineer, OSS & Linux Geek

How to convert vmware vmdk disks to a different format using vmware workstation

Posted on October 11, 2022 by Ahmed Tawfik

From inside “C:\Program Files (x86)\VMware\VMware Workstation” (Windows default installation location), or wherever your installation is on Linux or Windows: vmware-vdiskmanager.exe -r ‘source.vmdk’ -t 5 ‘destination.vmdk_stream.vmdk’ ‘-t 5’ is where you specify the stream-optimized format for example, here are all available … Continue reading →

Posted in vmware | Tagged , , , | Leave a comment

How to change the web server identification string of your OpenVPN AS Server on Ubuntu 22.04

Posted on July 31, 2022 by Ahmed Tawfik

The default web server identification string of your OpenVPN Server can be one way to identify it in automated vulnerability scanners such as nmap. To change it to an arbitrary value to reduce the chance of being identified by vulnerability … Continue reading →

Posted in Linux | Tagged , | Leave a comment

How to enable/disable a network interface on Windows from command line

Posted on July 31, 2022 by Ahmed Tawfik

Assuming “Ethernet” is the name of the network connection you need to enable or disable: To enable: netsh interface set interface “Ethernet” enable To disable: netsh interface set interface “Ethernet” disable

Posted in Windows | Tagged , , | Leave a comment

Search for files with certain size and extension

Posted on December 29, 2021 by Ahmed Tawfik

I was looking for a large PDF file that was above 100 MB. The file was inside thousands of other files and folders, so I used this command to find it: find . -type f -size +100M | grep -i … Continue reading →

Posted in Linux | Tagged , , , | Leave a comment

How to get rid of GLib-GIO-ERROR **: Settings schema ‘***’ does not contain a key on Gnome 40+

Posted on October 11, 2021 by Ahmed Tawfik

In case you mess up the schema for any reason and you are no longer able to open the Gnome settings, e.g. gnome-control-center, just do the following and then logout and back in (or simply reboot): rm .config/dconf/user That’s it! … Continue reading →

Posted in Linux | Tagged , , , , | Leave a comment