distribution-ubuntu

Ubuntu 10.10 Maverick

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.

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archive-zip

Cancel extraction of a tar.gz archive

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.

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icon_network_5_L

Allow or deny login via the sshd server using PAM

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.

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icon_system_4_L

OpenSSH deny or restrict access to users and groups

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

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mysql-safe

Securing a MySQL Server

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

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bluefish-icon

Changing The SSH Port Without Really Changing It

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.

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firewall

A firewall with IPTABLES

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.

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keys

Logkeys: a keylogger on Linux

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.

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nvidia-linux

CUDA Multiforce: cracker of MD4, MD5 and NTLM with its GPU

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.

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date-time

Knowing the starting time of a process in Linux

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.

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