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A lot of people are interested in a Raspberry Pi and want to get some idea about the operating system running on Pi without the need to buy a Pi first. I actually searched for a convenient way to test a backup script called raspiBackup I wrote for the Raspberry Pi. A nice way to evaluate Raspbian or to run any tests is to use QEMU to emulate the Raspberry Pi. Note that special Pi hardware like GPIO et al cannot be simulated. It's just the processor which is simulated. You need a Raspbian image and a system with Linux or Windows. Today I configured my system to run a Pi in QEMU and in the following article I explain step by step how I installed and configured QEMU on my Debian based Linux. The image has a networking connection right after startup and will use the existing host network connection with NAT. Finally a script is provided which executes the steps described and simplifies the image creation process.
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PiShrink is a useful tool to compress backups created with win32diskimager and other windows tools as a full backup to reduce them to a minimum size.
It's a hack and works a lot of time. Unfortunatey there are a lot of situations you get an ugly error message which are created because of missing checks in the code.
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At home there are usually a lot of devices using the internet. Unwanted advertisments Unerwünschte Werbung kann man mit diversen Browserplugins in einem can be suppressed with browser plugins but this requires to install a pugin on every device - multiple tablets, multiple smartphones, multiple laptops and multiple desktops.
Read more: Smart AdBlocker for local network: Block unwanted advertising with pihole
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Raspberry PI owners should make sure access to their Pi from the internet is secure. It's possiblet o use ssh tunneling but the most secure and universal method is to use OpenVPN. That way all ports on Pi can be accessed from a remote client via the internet in a secure way. The following article describes how to install and configure OpenVPN on Pi and how to install and configure an OpenVPN client to access your Pi from the internet on a secure way. This configuration uses the simple variant which only allows one client at a time to connect and is suffient in most cases. The client configuration description covers Linux and Windows7.