“ksuperkey”- Launch the apps menu using the super key

As a KDE user migrated from M$ Windows, Gnome, and Gnome-based Desktop Environment, I used to use the Super key (The key which Windows logo drawn on) to launch the applications menu. However, in KDE I couldn’t do that! I thought that was impossible, but after seeing some distributions doing that by default like: SphinUX and SolydK, I looked for a way to enable the Super key on KDE!
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When have you installed your distro??!

Welcome back dears in this new tip on LINUXATION. As you see in the title, the question today is: When have you installed your distro?
In a simple command line we can know the date and the time we installed our GNU/Linux distribution at.
Open the terminal/konsole emulator and type:
ls -l /var/log/installer/syslog
and press [Enter]. A message will be printed to you with the date and the time. For me, after entering this command I got this result:
-rw------- 1 root root 871244 Oct 16 11:06 /var/log/installer/syslog
Which mean I’ve installed my distro in the 16th of October in this year, at 11:06 😀
Actually I backed to Debian in the 1st of October, but it was Debian Cinnamon, but in the 16th I backed to use Debian Jessie KDE 😀


Return “history” command to zero

When we types the history command in terminal, we get the result which is the previous commands we entered, how to delete these commands and begin from scratch?

To do this you only need to put this command in your terminal:

cat /dev/null > ~/.bash_history && history -c && exit

The command cat /dev/null > ~/.bash_history clears the contain of ~/.bash_history file. And history -c deletes the current terminal history.

The References:

Where is Javaldx? My LibreOffice doesn’t work!

A month ago, it was a bug in my LibreOffice on Debian Jessie, the problem is when I try to open LibreOffice it doesn’t work 😦 And when I tried to run it with the command line libreoffice it gave this error to me!!
I think this problem is the javaldx isn’t existed. So, I solved the problem as the following:
warning: failed to launch javaldx - java may not function correctly
terminate called after throwing an instance of 'com::sun::star::uno::RunTimeException'

LibreOffice error: failed to launch javaldx

LibreOffice doesn’t work

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