redCode Net.Work

After six months of work, the team of developers of the Ubuntu project is proposing today a new version of their distribution. This is Ubuntu 10.10 Maverick Meerkat, a name which means both “maverick” (maverick) but also rapid and social, as the meerkat, an animal living in southern Africa.

I often extract tar.gz archives or other, everywhere, on my operating systems. But then, sometimes, the archive does not contain a folder and files are then extracted to the current folder. This is messy, especially if the archive contains many elements.

The idea is very simple you want to limit who can use sshd based on a list of users. The text file contains a list of users that may not log in (or allowed to log in) using the SSH server. This is used for improving security.

OpenSSH has two directives for allowing and denying ssh user access.

This article explains some basic rules for the administration to apply to secure the best database server.

For years, on security forums and mailing lists, if you ever dared to suggest changing SSH’s default port (TCP 22) the “security by obscurity” crowd would come out of the woodwork and nail your ass to the Cross of Righteousness for having the unmitigated gall to even dare utter such heretical nonsense.

After several hours spent studying the functioning of IPTABLES Linux, I created a script that builds a firewall for a PC connected to the Internet.

Logkeys is a keylogger for Linux. This is malicious software that can record everything a user types on the keyboard. The latter is often used to conduct espionage or recover passwords easily.

CUDA Multiforce is a program that allows to crack MD4 hashes, MD5 and NTLM using Nvidia’s CUDA technology. The use your graphics card (GPU) instead of the microprocessor (CPU) thus greatly accelerate the speed of calculation.

By default, the ps command in Linux is the date on which a process was launched. But it does not specify the hour. To obtain this information, it is necessary to use several options described in the manual.