Statistics about the world

Digital tunes

Catalog of data visualization

Fun – must seen
everybody wants to kill bruce

Translate every website in german dialects

Online editor and compiler/interpreter for various languages

Statistics about the world

Balance sheets of most german companies

The best way to get free https for your webpage – from start to finish in 30 seconds

Good resource for physical algorythms





Find files and file content on the terminal can be achieved by the use of the find tool.

By far one of the best tools is „Silversearcher ag“, install it with sudo apt-get install silversearcher-ag. If you want to search for example recursive all folders, only php files for the search string „my Value“, simply type:

Find file/s containing a specific string in its name:

Now list all files that contain the word „searchTerm“

List all the occurrence and their respective line-number of „searchTerm“ in files. The parameter -n toggles the line-number, the parameter -H toggles the filename.

Do you want to list all files bigger than size x? Here we go:

A handy tool as well is ack-grep (you have to install it first). Be sure to wrap the search-term in single quotes.


crontab is a mighty linux tool intendet for executing tasks schedule by predefined timing rules.

List all schedules of current user

List all schedules of specific user


You’d like to exchange data – files or folders – from a local machine to a remote one or visa verce?
scp (secure copy) is the tool of choice.

Copy local file to remote folder

Copy local folder to remote folder

Copy remote file to local folder

Copy remote folder to local folder



Disable Browser cache for firefox:

type in the url-bar:

confirm the warning. and set browser.cache.disk.enable and browser.cache.memory.enable both to false


Disable Browser cache in chrome

press F12 (open the developer-toolbar), go to Network and uncheck „Disable cache“.
The cache is only disabled while the developer-toolbar is open!!!