After facing for a while the extremely annoying bug that shows itself as
- losing the touchpad vertical scroll functionality after a while
- losing the touchpad sensitivity after some more time, this occurs more and more often during the same session
- ending with both stuck touchpad and keyboard
I managed to figure out a workaround.

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Due to the very high pace of Free and OpenSource Software development it often occurs that program versions shipped with a distribution are already quite obsolete, hence the need to upgrade to its latest version.
Compiling the sources can be a little annoying sometimes, since you have to take care of the many multiple dependencies [...]

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In the following tutorial you are going to fine tweak your Ubuntu Linux setup in order to speed up the boot process as well as the startup time of some frequently used applications.

use bootchart to profile boot times and bootlenecks easily through an intuitive image graph
install with
sudo apt-get install bootchart

then you’ll get a graph in [...]

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Blueman is a GTK+ bluetooth management utility for GNOME using bluez dbus backend. It has many more features than standard GNOME blutooth applet, among which you can find:
* Easy to use interface
* Storing Favourite devices
* Send files
* Browse files on devices
* List all seen devices

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Since on our keyboard SysRQ is triggered by Fn alt key we should press
ALT+Fn+SysRQ+<letter>
These key combinations are very useful when Xorg crashes since the kernel will respond regardless of whatever else it is doing, unless it is completely locked up. With these keys combos you can try to regain control over your system:

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Since Ubuntu Hardy 8.04 is not supported yet by VMware, and not supported at all by latest VMware 6.0.2 and VMware server we need some tweaking to make it install.
1) download VMware-workstation-6.0.2-59824.i386.tar.gz (from http://www.vmware.com/download/ws/ )
2) unpack it and run ’sudo ./vmware-install.pl’ from the terminal inside the unpacked vmware-distrib directory. Follow the wizard and do not [...]

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Ad Hoc Wireless Networking in Linux
https://help.ubuntu.com/community/WifiDocs/Adhoc

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echo 1 > /proc/sys/vm/block_dump
enables you to see via dmesg and syslog which application is accessign the disk and for doing what
blktrace
from blktrace package (sudo apt-get install blktrace) is also useful since it prompts you with those applications that access your hd the most. Use it this way:
bltrace /dev/sda

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using sysctl and sysfs to tweak /proc and /sys parameters can be useful in order to permanently set powertop suggestions or not to have to recompile the kernel for only one value change.
lm-profiler
helps disabling unneeded services
You can use sysctl to tweak the running kernel parameters (tweak /proc entries)
and /etc/sysctl.conf to apply these settings permanently
e.g. including [...]

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https://wiki.ubuntu.com/KernelTeamBugPolicies

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