August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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17.7. Czyszczenie ekranu po wylogowaniu
Problem
Korzystając z systemu lub zarządzając systemem, który nie czyści ekranu po wylogowaniu, powinniśmy zadbać o to, aby na ekranie nie pozostały widoczne instrukcje ostatnich operacji. Pozostawienie ich może przecież doprowadzić do wycieku informacji.
Rozwiązanie
Należy umieścić polecenie clear w skrypcie ~/.bash_logout.
# ~/.bash_logout # Wyczyszczenie ekranu (zapobiega wyciekowi informacji), jeśli nie zostało # zdefiniowane jako pułapka w pliku bash_profile [ "$PS1" ] && clear
lub zdefiniować pułapkę dla zakończenia sesji powłoki z uwzględnieniem polecenia clear.
# ~/.bash_profile # Pułapka czyszcząca ekran podczas wylogowania. Zapobiega wyciekowi informacji. # Można jej użyć, jeśli operacja nie została ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.