In this post I will try to explain, as easy as possible, how to install Vodafone Mobile Connect K3520 under Linux (in my case is Ubuntu and Debian but also need to work under Fedora or other Linux distributions). Also I will show you how to connect from console /  terminal with this device if you want to establish a permanent Internet connection over this device.

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I will try to explain how I speedup a huge loaded Samba fileserver from my office.
By default Samba comes with some default parameters what are working perfect for a usual fileserver but NOT for a very loaded one. So in your smb.conf in global section just add:

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What is a file descriptor ?
Is a data structure what handle a real or pseudo file. Real files are filesystem files and pseudo files are the proc files, dev files etc. File descriptors are limited per process and a limit per entire system also exist. So your limits per process cannot surpass limit per entire system.

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