Knoppix 7.5

Boot Problems?

Knoppix normally requires no boot options in order to identify the existing hardware, graphics adapter, and so on or to configure the system optimally. As the number of different chipsets and their combinations grows, it is sometimes necessary to disable the odd hardware feature or individual component temporarily to be able to boot for production desktop operation.

Some of the most common boot options are specified in the boot help, which is available when you press the F2 or F3 key; others are listed in the knoppix-cheatcodes.txt text file in the KNOPPIX folder. For example, if the desktop stalls at the point the 3D window manager compiz should start, the boot option you need is

knoppix nocomposite

or

knoppix no3d

which helps turn off the "composite" extension of the graphics subsystem or simply prevent Compiz launching.

A (Brief) Summary of Knoppix 7.5

Version 7.5.0 is assembled, in the usual Knoppix style, from a mix of Debian stable (wheezy), testing (especially the graphics drivers and current desktop programs), and unstable (jessie); version 7.5 uses kernel 3.18.6 and Xorg 7.7 (core 1.16.2) to support state-of-the-art computer hardware. This information, will also be online shortly before CeBIT (March 16, 2015) [4].

  • Optional 64-bit kernel with autodetection – or manually with the knoppix64 boot option – supports systems with more than 4GB of RAM and chroot in 64-bit environments for system repair (DVD version only).
  • LibreOffice 4.3.3 [5].
  • GIMP 2.8.14 [6].
  • Chromium 40.0.2214.91 [7] and Firefox/Iceweasel 35.0.1 web browser [8] with AdBlockPlus 2.6.6 [9] and NoScript 2.6.9.3 [10].
  • LXDE (standard) [11] with PCManFM 1.2.3 file manager, KDE 4.8 [12] (boot option knoppix desktop=kde, DVD version only), Gnome 3.8 [13] (boot option knoppix desktop=gnome, DVD version only).
  • Compiz 3D desktop extension version 0.9.12.
  • Wine version 1.7 [14] for integrating Windows-based programs.
  • QEMU-KVM 2.1 [15] for (para-)virtualization.
  • Linux kernel version 3.18.6 [16] with cloop [17] and AuFS [18].
  • Optional use of the Tor network [19] for anonymous web surfing.
  • Easy desktop export via VNC [20] and RDP [21] for remote desktop viewing on Linux and Windows (especially interesting for teachers).
  • Samba network share search and mount utility smbmount-knoppix.
  • Upgrade path for Knoppix flash disk installations with flash-knoppix.
  • Barrier-free YouTube connection in the ADRIANE [22] audio desktop. ("YouTube for the blind" may sound weird, but it works. Seriously. :-)
  • Experimental support for UEFI Boot [23] (DVD: 32- and 64-bit, CD: 32-bit only) for installation on a USB stick.
  • TCP Stealth [3] support in the kernel and OpenSSH (experimental).
  • Blender 2.72 [24] 3D animation suite.
  • golang 1.3.3 [25] programming language.
  • OpenStack Python clients Cinder, Glance, Keystone, Nova, Quantum, and Swift.

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