Tag Archives: Linux

Convert CD-quality WAV to 8bit mono WAV using ffmpeg

Posted on August 19, 2010 by Ahmed Tawfik

Today I needed to record something in a WAV file that shouldn’t exceed 100 KB, when I used the standard “Sound Recorder” in Ubuntu, it recorded using the default CD-quality recording (resulting in a 280 KB file, so I used … Continue reading →

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Backup and Restore ext4 filesystem using fsarchiver

Posted on December 19, 2009 by Ahmed Tawfik

Important Note: Until the time of writing this article, “partimage” DOESN’T SUPPORT EXT4, it detects ext4 as ext3 and then displays an error message saying “can’t read bitmap block 0 from image“, so if you use something like the bootable … Continue reading →

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UNetbootin: Burn any ISO or image files to USB Disk on Linux

Posted on December 17, 2009 by Ahmed Tawfik

Go to the following URL: http://unetbootin.sourceforge.net/ and download the file Make the file executable (chmod +x file_name) This step is specific for Ubuntu: If you receive the message “7z not found ….”, open a terminal and run “sudo apt-get install … Continue reading →

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Network Manager 0.7 Multiple Simultaneous Connections!

Posted on August 19, 2009 by Ahmed Tawfik

Four network connections active at the same time: 3G connection (etisalat USB modem) 2 wireless networks with 2 different wireless cards (the internal card and another external one) 1 wired connection This is EXTREMELY useful and I gained a lot … Continue reading →

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