Эта команда позволяет мониторить файл аутентификации в режиме реального времени, фильтруя события, связанные с SSH:
tail -f /var/log/auth.log | grep ssh
tail -f — выводит новые строки по мере их появления.grep ssh — фильтрует только те строки, которые содержат информацию об SSH. BY Библиотека хакера | Hacking, Infosec, ИБ, информационная безопасность
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.
Библиотека хакера | Hacking Infosec ИБ информационная безопасность from ua