Computer science thoughts

Welcome

On this website, you will find some of my texts translated from french:

several tips and scripts simplifying operations or correcting computer software problems
some thinking and strategy games
différents texts around computer science
my personal utilities as well as others that I appreciate

Eric Quillévéré

Latest utilities & scripts

WinSCP: faster SSH downloads

Linux

By using WinSCP, it is possible to download files from a server to its workstation more quickly, by first compressing them directly on the server. This functionality is available through scripts integrated into the...

Number of opened/openable files on Linux

Linux

On Linux as on Windows, there are thresholds fixing the number of files open simultaneously per process and for the whole system. Here are some commands to display them.

Talend: what does "Component variable are used in the copied elements" mean?

Talend

On Talend Studio, you may get the message "Component variables are used in copied elements, do you want to rename them automatically?" when copying and pasting components. What does this message actually mean? The...

Linux command line: configure the 'Page up' key to auto-complete from the command history

Linux

On Ubuntu, here is a script that allows you to use the auto-completion of your command line from data already entered previously (therefore present in the history), by using the Page Up key. This functionality is...

Linux command line special characters

Linux

There are some Linux command line special characters that are not self-explanatory at first glance. It is important to understand them because these are key elements in handling the input and output of commands. In...