NoMachine – An Advanced Remote Desktop Access Tool

Working remotely is not a new thing for Linux Administrators. Especially when he/she is not in front of the server. Generally, the GUI is not installed by default on Linux servers. But there may some Linux Administrators who choose to install GUI on Linux servers.

When your server has a GUI, you may want to remote the server with full desktop experience. To do that you may install VNC Server on that server. In this article, we will cover aboutNoMachine as an alternate Remote Desktop Tool.

Fix for Can’t login after upgrading from ubuntu 13.04 to ubuntu 13.10

Problem

Just finished upgrading from Ubuntu 13.04 to 13.10. Everything works fine. After the installations, I restart to finish the installations. In the log in screen, I put my password and then it goes back to the log in screen.

Solution

This issue occurs if you have installed cinnamon desktop environment and related to this bug .You have to uninstall all cinnamon desktop related packages.If you have SSH installed you can do this easily using the following commands

sudo apt-get purge cinnamon*

sudo apt-get autoremove

After running above commands i have to reboot my PC to work as normal.

4 Reasons Why You Shouldn’t Install Ubuntu Touch on Your Nexus

Now stable for developers and industry, Ubuntu Touch can be installed on the Nexus line of Android devices by anyone with an Ubuntu PC, a USB cable and some CLI skills.

But where the end userTM  – possibly including you reading this – are concerned, the term “stable” should not translate as “Ding! Ready to use on my main phone.”

PINGUY OS 13.10 ALPHA RELEASED WITH GNOME 3.10

Pinguy OS 13.10 alpha, an Ubuntu remaster that ships with many popular applications and tweaks, is available for testing.

Pinguy OS 13.10 alpha ships with GNOME 3.10

Monitor GitHub Activity with an RGB LED Matrix

Ever wonder who is forking your code? [Jack] did, so he built a real time GitHub activity display for his company’s repositories. The display is based a Wyolum The Intelligent Matrix (TiM) board.

Finalized Ubuntu 13.10 Releases are now Available for Download

The long wait for the latest stable version of Ubuntu is finally over. Now you can download your favorite UI version of Ubuntu 13.10, try out the Phone Edition, and grab a copy of the official manual using the compiled set of download links we have put together for your convenience.

8 Things To Do After Installing Ubuntu 13.10 (Saucy Salamander)

Ubuntu 13.10 was released today and for those of you who plan on doing a clean install, here are 8 useful things to do after the installation.

1. Install some extra AppIndicators (applets)

Ubuntu 13.10 Released – But Is It An Essential Upgrade?

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It’s release day for Ubuntu 13.10. After 6 long months in development the ‘Saucy Salamander’ is finally available to download.

HOWTO : WPScan on Ubuntu Desktop 12.04 LTS

WPScan is a black box WordPress vulnerability scanner.



Step 1 :

To install wpscan and her related packages.

sudo apt-get install git libcurl4-gnutls-dev libruby libxml2 libxml2-dev libxslt1-dev ruby1.9.1-dev

sudo -sH
cd /opt
git clone https://github.com/wpscanteam/wpscan.git

HOWTO : Wireshark on Ubuntu Desktop 12.04 LTS

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across many industries and educational institutions.



Step 1 :

sudo apt-get update
sudo apt-get install wireshark

sudo dpkg-reconfigure wireshark-common

Answer "Yes" to the pop-up which allow non-root users to capture the packets. You can consider to enable it but it is danger.

HOWTO : Weevely on Ubuntu Desktop 12.04 LTS

Weevely is a stealth PHP web shell that simulate an SSH-like connection. It is an essential tool for web application post exploitation, and can be used as stealth backdoor or as a web shell to manage legit web accounts, even free hosted ones.

HOWTO : W3af on Ubuntu Desktop 12.04 LTS

W3af is a Web Application Attack and Audit Framework. The project’s goal is to create a framework to help you secure your web applications by finding and exploiting all web application vulnerabilities.



Step 1 :

Make sure you follow the steps below one by one.

sudo -sH
cd /opt

apt-get update
apt-get install git build-essential

HOWTO : Tor and Proxychains on Ubuntu Desktop 12.04 LTS

(A) Tor

Step 1 :

sudo nano /etc/apt/sources.list.d/tor.list

Append the following :

deb http://deb.torproject.org/torproject.org precise main

Save and exit.

sudo -sH

HOWTO : theharvester on Ubuntu Desktop 12.04 LTS

The objective of theharvester is to gather emails, subdomains, hosts, employee names, open ports and banners from different public sources like search engines, PGP key servers and SHODAN computer database.



This tool is intended to help Penetration testers in the early stages of the penetration test in order to understand the customer footprint on the Internet. It is also useful for anyone that wants to know what an attacker can see about their organization.

HOWTO : Sqlmap on Ubuntu Desktop 12.04 LTS

Sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It comes with a powerful detection engine, many niche features for the ultimate penetration tester and a broad range of switches lasting from database fingerprinting, over data fetching from the database, to accessing the underlying file system and executing commands on the operating system via out-of-band connections.



Full support for MySQL, Oracle, PostgreSQL, Microsoft SQL Server, Microsoft Access, IBM DB2, SQLite, Firebird, Sybase and SAP MaxDB database management systems.

HOWTO : SlowHTTPTest on Ubuntu Desktop 12.04 LTS

SlowHTTPTest is a highly configurable tool that simulates some Application Layer Denial of Service attacks. It works on majority of Linux platforms, OSX and Cygwin - a Unix-like environment and command-line interface for Microsoft Windows.



It implements most common low-bandwidth Application Layer DoS attacks, such as slowloris, Slow HTTP POST, Slow Read attack (based on TCP persist timer exploit) by draining concurrent connections pool, as well as Apache Range Header attack by causing very significant memory and CPU usage on the server.

HOWTO : SET on Ubuntu Desktop 12.04 LTS

The Social-Engineer Toolkit (SET) was created and written by the founder of TrustedSec. It is an open-source Python-driven tool aimed at penetration testing around Social-Engineering.




Step 1 :

sudo apt-get install git

HOWTO : Reaver on Ubuntu Desktop 12.04 LTS

Reaver implements a brute force attack against Wifi Protected Setup (WPS) registrar PINs in order to recover WPA/WPA2 passphrases.



Reaver has been designed to be a robust and practical attack against WPS, and has been tested against a wide variety of access points and WPS implementations.

On average Reaver will recover the target AP's plain text WPA/WPA2 passphrase in 4-10 hours, depending on the AP. In practice, it will generally take half this time to guess the correct WPS pin and recover the passphrase.

HOWTO : OWASP Zaproxy on Ubuntu Desktop 12.04 LTS

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.



It is designed to be used by people with a wide range of security experience and as such is ideal for developers and functional testers who are new to penetration testing.

ZAP provides automated scanners as well as a set of tools that allow you to find security vulnerabilities manually.

HOWTO : OpenVAS on Ubuntu Desktop 12.04 LTS

OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.



Step 1 :

At the time of this writing, the "stable" is version 5 while the "nightly builds" is version 6.

sudo add-apt-repository ppa:openvas/stable