Inhaltsverzeichnis

speedLinux

Manuel: This Update is based on (Dieses Update basiert in erster Linie auf den Updates von):

coLinux devel

The following text in English was taken from the ANALOG DEVICES wiki, but it is adapted to the speedlinux differences.

ATTENTION: More changes since 24.11.2011

Beginning with installer version 3001 adoptions are done for using Ubuntu 9.04, Ubuntu 11.10 and Ubuntu 12.04.

Download the respective base.vdi with the installer.

Older andlinx base.vdi are still suitable.

coLinux

Cooperative Linux (coLinux) is a system where you can run a complete Linux system while in Windows.

CoLinux is not an emulator or virtual machine. A real Linux kernel will run on your system alongside Windows. CoLinux is a system that consists of a Windows kernel driver, a Linux kernel and some userspace daemon programs. When the colinux-daemon.exe is started, it will parse the given config file, load the linux.sys (Windows) kernel driver and tell it to reserve the specified amount of RAM for the Linux system. Then the daemon loads the Linux kernel in the reserved RAM area and starts it. The Linux kernel is a slightly modified version of the standard x86 kernel. It has been stripped of all parts that directly access the hardware. Instead the kernel uses (with the help of linux.sys) either defined APIs in the Windows kernel or user space programs to access needed resources like storage or network.

This approach has the advantage, that there is no need for virtualization or emulation. The system behaves (from the user space point of view) like a normal Linux system, because there is one.

There are of course also some disadvantages:

The biggest disadvantage is that coLinux runs aside the Windows kernel. It runs on the same hardware abstraction layer that is also called ring0. Inside this CPU abstraction layer, there is no hardware memory protection. This is the same situation as between the Linux or Windows kernel and their device drivers. So a problem in the Linux kernel can bring the Windows kernel down, if Linux violates the Windows address space. Also there are security implications. If a malice user gains root access inside coLinux he can compromise the security of the Windows system as well. Also to load and use coLinux the user has to have administrator rights. (There is the possibility to start coLinux as a service, so it is possible to start coLinux as a normal user, if the user has been granted the right to start the service)

speedLinux

speedLinux is a complete Ubuntu Linux system running seamlessly in Windows 2000 based systems (2000, XP, 2003, Vista, 7; 32-bit versions only). speedLinux uses coLinux. coLinux is a port of the Linux kernel to Windows. Although this technology is a bit like running Linux in a virtual machine. Xming is used as X server and PulseAudio as sound server.

speedLinux is not just for development and runs almost all Linux applications without modification. For further information, please select a subcategory:

Once you have speedLinux up and running, you can use it like a normal Debian or Ubuntu distribution (because it reality, it is). That means you can follow all the other documents when it comes to installing the toolchain and building the Ubuntu distribution and working with tftp and …

andLinux wiki

IBM Documentation about coLinux

 
skript/technische_beschreibug_von_freetzlinux.txt · Zuletzt geändert: 2012/01/28 18:40 von jpascher
 
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