This tutorial shows how to create NSM GUI Client login Banner

- Login as the super user

- Select Administer

- Select Server Manager --> Servers

- Select GUI Server or GUI Server Cluster (HA Mode)

- Right click & Edit it

- There is a place you can enter the Banner message in "Log in Warning Message"

- Select OK

This article shows how to create a banner on juniper NSM and the NSMxpess appliance when you need to deliver pre-log in messages to users logging in.

To create a pre-login banner for users of NSM and NSMXpress appliance.

These are the steps required to create a banner for delivery of pre-log in messages:

Log in as root user and create a new banner file:

# vi /etc/ssh/sshd-banner

Open the sshd configuration file using a text editor:

# vi /etc/ssh/sshd_config

Add the path of the banner file:

Banner /etc/ssh/sshd-banner

Save the file and restart the sshd server:

# /etc/init.d/sshd restart

Test the login banner.

pf-kernel is yet another Linux kernel fork which provides you with a handful of awesome features not merged into mainline. It is based on neither existing Linux fork nor patchset, although some unofficial ports may be used if required patches haven't been released officially. The name of the fork is by no means related to BSD Packet Filter. «pf» stands for «post-factum», the author's nickname.

Each version has been tested by author before releasing using Dell Vostro 3360 config. Binary builds are not tested by myself. There's no warranty at all.

Included patches:

[m] mainline update
[m] -ck patchset with BFS
[m] BFQ I/O scheduler
[m] TuxOnIce
[m] UKSM
[m] EnhanceIO

Included configs for:

[m] Dell Vostro 3360 laptop (lspci, lsusb)
[o] ASUS G73SW laptop (lspci, lsusb)
[o] HP 635 laptop (lspci, lsusb)
[o] Samsung NP900X3A laptop (lspci, lsusb)
[o] Dell Vostro V13 (DVV13Y15C37S) (lspci, lsusb)

[m] — accepted and merged, [w] — accepted, but still waiting for release, [t] — temporary fix, [o] — obsolete.

Tools:

uksmstat (source, ebuild) — utility to monitor and control UKSM.

Install pf-kernel in debian

Login as root and run the following commands

sudo add-apt-repository "deb http://repos.natalenko.name/debian/ pf/"
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install linux-image-3.9.3-pf linux-source-3.9.3-pf linux-headers-3.9.3-pf

Remove pf-kernel

If you want to remove run the following command

sudo apt-get remove linux-image-3.9.3-pf linux-source-3.9.3-pf linux-headers-3.9.3-pf

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Cinnamon is a user interface. It is a fork of GNOME Shell, initially developed by (and for) Linux Mint. It attempts to provide a more traditional user environment based on the desktop metaphor, like GNOME 2. Cinnamon uses Muffin, a fork of the GNOME 3 window manager Mutter, as its window manager from Cinnamon 1.2 onwards

What is new in version 1.8

File Manager

Nemo received a lot of attention. Its user interface was heavily modified and its behavior was adapted to integrate better with Cinnamon.You can now easily hide the sidebar and switch back and forth between places and treeview. Under each place, if applicable, a small bar indicates how much space is used.

Screensaver

Cinnamon now features its own screensaver. One of its particularities is that you can define an away message before locking up your screen.

Control Center

All configuration modules are now present in Cinnamon Settings. You no longer need to use Gnome Control Center.

Desklets

KDE calls them Plasmoids, Android calls them Widgets, in Cinnamon they’re called “Desklets”. The same way you can add applets to your panel, you can add desklets to your desktop.

Spices Management

In Cinnamon 1.8 you can install “spices” (i.e. applets, desklets, themes, extensions) straight from your desktop.

New features for developers

Settings API for Applets/Desklets

If you’re an Applet/Desklet developer, don’t use gsettings anymore. Cinnamon 1.8 features a settings API which will do all the work for you.

It will set up your settings and default values for you, automatically.
It will allow you to access your settings just as easily as you access values in an array.
It will generate a configuration screen for you, automatically.

Install Install Cinnamon 1.8 on Debian 7

Open the terminal and run the following commands

$ su -
# echo deb http://packages.linuxmint.com/ debian main import backport upstream romeo >> /etc/apt/sources.list
# apt-get install linuxmint-keyring
# apt-get update
# apt-get install cinnamon

Screenshot

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After many months of constant development, the Debian project is proud to present its new stable version 7.0 (code name "Wheezy").
This new version of Debian includes various interesting features such as multiarch support, several specific tools to deploy private clouds, an improved installer, and a complete set of multimedia codecs and front-ends which remove the need for third-party repositories.

This Tutorial will show you Debian 7.0 (Wheezy) Desktop Installation process Screenshots

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Ubuntu 13.04 is the newest release of Ubuntu, released on April 25, 2013. In the desktop, performance on lightweight systems was a core focus for this cycle, as a result 13.04 delivers significantly faster response times in casual use, and a reduced memory footprint. Key desktop updates are; Unity 7, Upstart 1.8, LibreOffice 4.0, CUPS 1.6.2 and cups-filters 1.0.34 and Python 3.3. On the server, there are many new features including OpenStack Grizzly, updates to Juju, VMWare integration, Ceph 0.56.4, MongoDB 2.2.4. All versions use Linux kernel 3.8.8.

In this tutorial you can see Ubuntu 13.04 desktop installation screenshots

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After many months of constant development, the Debian project is proud to present its new stable version 7.0 (code name "Wheezy").
This new version of Debian includes various interesting features such as multiarch support, several specific tools to deploy private clouds, an improved installer, and a complete set of multimedia codecs and front-ends which remove the need for third-party repositories.

Multiarch support, one of the main release goals for "Wheezy", will allow Debian users to install packages from multiple architectures on the same machine. This means that you can now, for the first time, install both 32- and 64-bit software on the same machine and have all the relevant dependencies correctly resolved, automatically.

The installation process has been greatly improved: Debian can now be installed using software speech, above all by visually impaired people who do not use a Braille device. Thanks to the combined efforts of a huge number of translators, the installation system is available in 73 languages, and more than a dozen of them are available for speech synthesis too.
In addition, for the first time, Debian supports installation and booting using UEFI for new 64-bit PCs (amd64), although there is no support for "Secure Boot" yet.

This release includes numerous updated software packages, such as:

Apache 2.2.22
Asterisk 1.8.13.1
GIMP 2.8.2
an updated version of the GNOME desktop environment 3.4
GNU Compiler Collection 4.7.2
Icedove 10 (an unbranded version of Mozilla Thunderbird)
Iceweasel 10 (an unbranded version of Mozilla Firefox)
KDE Plasma Workspaces and KDE Applications 4.8.4
kFreeBSD kernel 8.3 and 9.0
LibreOffice 3.5.4
Linux 3.2
MySQL 5.5.30
Nagios 3.4.1
OpenJDK 6b27 and 7u3
Perl 5.14.2
PHP 5.4.4
PostgreSQL 9.1
Python 2.7.3 and 3.2.3
Samba 3.6.6
Tomcat 6.0.35 and 7.0.28
Xen Hypervisor 4.1.4
the Xfce 4.8 desktop environment
X.Org 7.7
more than 36,000 other ready-to-use software packages, built from nearly 17,500 source packages.

With this broad selection of packages, Debian once again stays true to its goal of being the universal operating system. It is suitable for many different use cases: from desktop systems to netbooks; from development servers to cluster systems; and for database, web, or storage servers. At the same time, additional quality assurance efforts like automatic installation and upgrade tests for all packages in Debian's archive ensure that "Wheezy" fulfills the high expectations that users have of a stable Debian release. It is rock solid and rigorously tested.

You can install Debian on computers ranging from handheld systems to supercomputers, and on nearly everything in between. A total of nine architectures are supported: 32-bit PC / Intel IA-32 (i386), 64-bit PC / Intel EM64T / x86-64 (amd64), Motorola/IBM PowerPC (powerpc), Sun/Oracle SPARC (sparc), MIPS (mips (big-endian) and mipsel (little-endian)), Intel Itanium (ia64), IBM S/390 (31-bit s390 and 64-bit s390x), and ARM EABI (armel for older hardware and armhf for newer hardware using hardware floating-point).

Download Debian 7.0

You can download debian 7.0 from here

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Linux is the fastest-growing Java development platform because it saves money and time by serving as a platform for both development and deployment. But developers face significant platform-specific challenges when managing and deploying Java applications in a controlled production environment.

Written for Java and Linux developers alike, Java™ Application Development on Linux® is the hands-on guide to the full Java application development lifecycle on Linux.

Determined to spare other developers hours of trial and error, Albing and Schwarz demonstrate the platform, tools, and application development by showing realistic, easy-to-follow examples. After a simple command-line application introduces basic tools, this program leads readers through business-logic object analysis, database design, Java servlet UIs, Java Server Pages (JSP) UIs, Swing GUIs, and Standard Widget Toolkit (SWT) GUIs. Scaling up to the enterprise level provides the opportunity to use both the JBoss Application Server and the Apache Geronimo Application Servers, and Enterprise JavaBeans (EJB).

Readers learn how to:

Use development tools available on Linux, such as the GNU Compiler for Java (gcj), Ant, the NetBeans IDE, IBM's Eclipse Java IDE, JUnit, and SunONE Studio
Develop business logic layers using Java DataBase Connectivity (JDBC)
Add a Web interface using servlets and JSPs
Add a GUI using Sun's Abstract Window Toolkit (AWT) and IBM's SWT
Deploy EJBs in Linux

The authors conclude by demonstrating how a hierarchy of budgets can be created, tracked, and shared with Concurrent Versions System (CVS). Java™ Application Development on Linux® can propel you from a standing start to the full-speed development and deployment of Java applications on Linux.

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GNU IceCat, formerly known as GNU IceWeasel,is a free software rebranding of the Mozilla Firefox web browser distributed by the GNU Project. It is compatible with both the GNU/Linux and OS X (10.4 and 10.5) operating systems.

The GNU Project keeps IceCat in synchronization with upstream development of Firefox while removing all trademarked artwork. It also maintains a large list of free software plugins. In addition, it features a few security features not found in the mainline Firefox browser.

Icedove is an e-mail client distributed by the Debian project. It is based on Mozilla Thunderbird, but is made entirely of free software. With Icedove, the Debian project aims to provide a version of the Mozilla Thunderbird e-mail client which has not yet been kept in synchronization with upstream development of Thunderbird as originally planned. It removes the proprietary artwork and plug-in repositories used in the official release by the Mozilla Corporation, which are classified as non-free by free software advocates.

Install Icecat and Icedove on debian 7 (Wheezy)

Create sources.list file

sudo vi /etc/apt/sources.list.d/iceweasel.list

Add the following line

deb http://cdn.debian.net/debian experimental main

Save and exit the file

Now you need to download key and install deb package

cd /tmp

wget http://mozilla.debian.net/pkg-mozilla-archive-keyring_1.1_all.deb

sudo dpkg -i pkg-mozilla-archive-keyring_1.1_all.deb

Update the source list

sudo apt-get update

Install packages using the following commands

sudo apt-get install -t experimental iceweasel

sudo apt-get install -t unstable icedove

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Linux® Patch Management offers Linux professionals start-to-finish solutions, strategies, and examples for every environment, from single computers to enterprise-class networks.

Michael Jang presents patching solutions for Red Hat, Fedora, SUSE, Debian, and other distributions. He systematically covers both distribution-specific tools and widely used community tools, such as apt and yum. This book's streamlined patch management techniques minimize impacts on users, networks, and administrators, and address applications as well as the underlying OS. Whatever your role in managing Linux® systems, Linux Patch® Management will reduce your costs, enhance the availability of your systems, and dramatically improve your personal efficiency.

The first start-to-finish guide to patching Linux® systems in production environments
For Red Hat, Fedora, SUSE, Debian, and other leading distributions
Comprehensive coverage of apt, yum, Red Hat Network, YaST Online Update, Zenworks Linux Management, and other tools
High-efficiency techniques that minimize impacts on networks, users, and administrators
Consolidating patches on a Red Hat network, including cached updates, as well as patching systems based on RHEL rebuild distributions
Working with SUSE's update systems, including YaST Online Update and Zenworks Linux Management
Making the most of apt commands and the GUI-based Synaptic Package Manager
Configuring apt for RPM distributions such as Fedora and SUSE Linux
Creating repositories that can manage gigabytes of patches on diverse Linux® systems
Updating networks of Linux computers without overloading WAN or Internet connections
Configuring yum clients, including coverage of emerging GUI tools such as Yum Extender

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This article provides information about the behavior of the ScreenOS firewall, when it acts a DHCP relay. Also, it provides information about the DHCP Relay concept, its flow on the ScreenOS firewall, and certain important ScreenOS features that are related to DHCP relay.

DHCP Relay Agent:

• A DHCP relay agent relays Dynamic Host Configuration Protocol (DHCP) messages between DHCP clients and DHCP servers on different IP networks.

• When acting as a DHCP relay agent, the security device forwards DHCP requests and assignments between DHCP clients, which are directly attached to one interface and one or more DHCP servers that are accessible via another interface.

• The client sends the DHCP request.

• The firewall receives it and as the firewall is configured for DHCP relay, it will treat it as self traffic, which is different from flow traffic, in terms of the firewall handling process.

• As it is self traffic, the firewall will use the default VR to perform the route lookup to reach the DHCP server. Then the route associates the interface IP address as the source IP address for the DHCP relay packet and replays this packet with the new source IP address to DHCP server.

• The DHCP server replies with a DHCP response packet to the relay source IP and the firewall sends it to the client.

Important points about DHCP relay agent on ScreenOS:

• The clients and servers can be in either the same security zone or separate security zones.

• A DHCP relay agent can be configured on one or more physical or VLAN interfaces on a security device.

• The DHCP relay agent and DHCP server or client functions cannot be cnfigured on the same interface.

• When the security device functions as a DHCP relay agent, its interfaces must be in eitherr the route mode or function as a Layer 3 device.

• Up to three DHCP servers for each DHCP relay agent can be configured.

• ScreenOS supports the DHCP relay in different VSYSs and for VLAN-tagged sub interfaces.

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The Debian project is pleased to announce the seventh update of its stable distribution Debian 6.0 (codename "squeeze"). This update mainly adds corrections for security problems to the stable release, along with a few adjustments for serious problems. Security advisories were already published separately and are referenced where available.

This screenshots included GUI installation,Applications etc

Debian 6.0.7 (squeeze) Screenshots Gallery

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This tutorial will explain how to disable IPV6 in debian.

Open a terminal and su to root

Now you need to check if iPV6 is active or not using the following command

netstat -tunlp |grep p6 |wc -l

If the result is anything other than 0, then one or more IPv6-aware processes is running.

Disable using the following 3 commands

echo net.ipv6.conf.all.disable_ipv6=1 > /etc/sysctl.d/disableipv6.conf

sed ‘/::/s/^/#/' /etc/hosts >/etc/dipv6-tmp;cp -a /etc/hosts /etc/hosts-backup && mv /etc/dipv6-tmp /etc/hosts

sed ‘/ipv6=yes/s/yes/no/' /etc/avahi/avahi-daemon.conf >/etc/avahi/dipv6-tmp;cp -a /etc/avahi/avahi-daemon.conf /etc/avahi/avahi-daemon.conf-backup && mv /etc/avahi/dipv6-tmp /etc/avahi/avahi-daemon.conf

After running above 3 commands restart your system

Now you can run the following command to check IPV6 is active

netstat -tunlp |grep p6 |wc -l

Again, these steps will disable IPv6 on a stock install of Squeeze. If you have additional IPv6-aware processes running (server daemons in particular), then additional steps may be required.

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The Ubuntu developers are moving quickly to bring you the absolute latest and greatest software the Open Source community has to offer. The Raring Ringtail Beta 1 Release of Ubuntu 13.04 give you a preview of the next version of Ubuntu.

Final Released was planned on 25th April 2013

This screenshots preview provides the installation and new changes to ubuntu 13.04

Ubuntu 13.04 Beta1 screenshots Gallery

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PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) solution. Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, 802.1X support, layer-2 isolation of problematic devices, integration with the Snort IDS and the Nessus vulnerability scanner; PacketFence can be used to effectively secure networks -- from small to very large heterogeneous networks.

Install PacketFence on Debian squeeze

To install it, you simply have to add the Inverse repository under /etc/apt/sources.list.d/ by adding the file packetfence.list containing:

deb http://inverse.ca/downloads/PacketFence/debian squeeze squeeze

Then do:

sudo apt-key adv --keyserver keys.gnupg.net --recv-key 0x810273C4
sudo apt-get update
sudo apt-get install packetfence

Once apt-get finished to install all the packages, reboot your server and after please fire up your Web browser and go to http://@ip_packetfence:3000/configurator to complete your PacketFence configuration.

Check more details about configuration and usage from Packetfence documentation

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In this paper, Frost & Sullivan examine historical concerns about Linux virtualization, and assess why, when, and how enterprises can safely virtualize their critical Linux workloads.

Virtualization technologies have gained a strong footing in enterprise data centers in recent years. According to Frost & Sullivan research, 65 percent of all U.S. businesses have incorporated virtualization into their data centers. For many of those, the commitment to virtualization is serious --- 20 percent have virtualized more than three-quarters of their servers--a number that is expected to double in the next two years.

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A must read paper for IT architects and directors for Linux® servers.

Many IT professionals are drawn by the savings that Linux® brings to the data center but are concerned about the potential uptime and data protection risks that arise from trusting their business-critical applications to “free” or native software. Native Linux solutions also prove challenging with required manual scripting and lack of automated operations and management. For business-critical data center applications, the complete line of Symantec high availability, data protection, backup and recovery, disaster recovery and storage management offerings deliver UNIX-class performance, scalability, administration, and support on Linux.

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Ubuntu is a free, open-source computer operating system with 20 million users worldwide.
Long Description: This 30 page guide was written for beginners and will tell you everything you need to know about the Ubuntu experience. You will learn how to install and setup Ubuntu on your computer, find technical support in your community, understand the Ubuntu philosophy, navigate the Unity desktop interface and use Ubuntu compatible software programs. Also with this free guide you will receive daily updates on new cool websites and programs in your email for free courtesy of MakeUseOf.

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How do I use a wildcard mask in VPM policy (Bluecoat proxy)

Solution

To place a wildcard mask into the VPM policy object, use (.*). An asterisk only (*) will not work.

For example, "http://www.mrbean.com/*/xyz" won't work. However, "http://www.mrbean.com/(.*)/xyz" will.

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Here is the list of ubuntu based Linux Distributions and Live Cd's and it might be useful for some users.If some thing is missing from this list let me know i will add to this list.

Ubuntu

Ubuntu is a complete Linux-based operating system, freely available with both community and professional support. It is
developed by a large community and we invite you to participate too!

Project Homepage

http://www.ubuntu.com/

Downloads

http://www.ubuntu.com/download

Kubuntu

Kubuntu is a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.

Project HomePage

http://www.kubuntu.org/

Downloads

http://www.kubuntu.org/getkubuntu/download

Edubuntu

Edubuntu is a complete Linux-based operating system, freely available with community based support.The Edubuntu community is built on the ideas enshrined in the Edubuntu Manifesto: that software should be available free of charge, that software tools should be usable by people in their local language and despite any disabilities,and that people should have the freedom to customise and alter their software in whatever way they see fit.

Project HomePage

http://www.edubuntu.org/

Downloads

http://www.edubuntu.org/Download

Xubuntu

Xubuntu is an official derivative of the Ubuntu open source operating system, using the Xfce desktop environment.
Xubuntu is intended for use on less-powerful computers or those who seek a highly efficient desktop environment on faster systems, and uses mostly GTK+ applications.

Project HomePage

http://www.xubuntu.org/

Downloads

http://xubuntu.org/getxubuntu/

Ubuntu Studio

Ubuntu Studio is a free, open, and powerful operating system for creative people to create their art.Whether your focus is audio, video, photography, or graphic design, Ubuntu Studio is both productive and rewarding to use.

Project Homepage

http://ubuntustudio.org/

Downloads

http://ubuntustudio.org/download/

Lubuntu

Lubuntu is a fast and lightweight operating system developed by a community of Free and Open Source enthusiasts. The core of the system is based on Linux and Ubuntu . Lubuntu uses the minimal desktop LXDE, and a selection of light applications. We focus on speed and energy-efficiency. Because of this, Lubuntu has very low hardware requirements. Please join us and contribute to an exciting International Free and Open Source Software project.

Project HomePage

http://lubuntu.net/

Downloads

https://help.ubuntu.com/community/Lubuntu/GetLubuntu

Mythbuntu

Mythbuntu is an official Ubuntu flavor focused upon setting up a standalone MythTV based PVR system. It can be used to prepare a standalone system or for integration with an existing MythTV network. Unlike similar projects, Mythbuntu keeps close ties with Ubuntu and all development is given back to Ubuntu. This architecture allows simple conversions from a standard desktop to a Mythbuntu machine and vice versa. The development cycle of Mythbuntu mirrors that of Ubuntu.

Project HomePage

http://www.mythbuntu.org/

Downloads

http://www.mythbuntu.org/download-type

Linux Mint

Linux Mint's purpose is to produce an elegant, up to date and comfortable GNU/Linux desktop based on Ubuntu.

Project Homepage

http://www.linuxmint.com/

Downloads

http://www.linuxmint.com/download.php

Aurora

Aurora (formerly named Eeebuntu) (not to be confused with EasyPeasy, formerly known as Ubuntu Eee) is an operating system for netbooks. The current version is based on Ubuntu, though newer versions will be based on Debian Unstable.Eeebuntu was designed originally for the Asus Eee PC line of netbooks.Four versions are available for install: Standard, NBR (standard with Ubuntu Netbook Edition), Base and LXDE.

Project HomePage

http://www.auroraos.org/

Downloads

http://www.auroraos.org/release/eeebuntu

Asturix

Asturix is a GNU/Linux distribution based on Ubuntu dedicated to enterprise users and companies. It is aimed at being very stable and easy to use.The name (Asturix) comes from Asturias (a region in Spain), its place of origin.

Asturix Linux is divided in two versions:

Standard: Generic version.
Lite: For low-resource computers and netbooks.

Project HomePage

http://asturix.com/

Downloads

http://asturix.com/os/

BackBox

BackBox is an Ubuntu based Linux distribution penetration test and security assessment oriented providing a network and informatic systems analysis toolkit. BackBox desktop environment includes a minimal yet complete set of tools required for ethical hacking and security testing.

Project HomePage

http://www.backbox.org/

Downloads

http://www.backbox.org/downloads

BackTrack

BackTrack is a distribution based on the Debian GNU/Linux distribution aimed at digital forensics and penetration testing use.It is named after backtracking, a search algorithm. The current version is BackTrack 5 R3. now based on Ubuntu 10.04 (Lucid) LTS, which is next to Debian.

Project HomePage

http://www.backtrack-linux.org/

Downloads

http://www.backtrack-linux.org/downloads/

Bio-Linux

Bio-Linux 7 is a fully featured, powerful, configurable and easy to maintain bioinformatics workstation. Bio-Linux provides more than 500 bioinformatics programs on an Ubuntu Linux 12.04 LTS base. There is a graphical menu for bioinformatics programs, as well as easy access to the Bio-Linux bioinformatics documentation system and sample data useful for testing programs.

Bio-Linux 7 adds many improvements over previous versions, including the Galaxy analysis environment. There are also various packages to handle new generation sequence data types.

You can install Bio-Linux on your machine, either as the only operating system, or as part of a dual-boot setup which allows you to use your current system and Bio-Linux on the same hardware.

Bio-Linux also runs Live from the DVD or a USB stick. This runs in the memory of your machine and does not involve installing anything. This is a great, no-hassle way to try out Bio-Linux, demonstrate or teach with it, or to work with when you are on the move.

Project Homepage and Downloads

http://nebc.nerc.ac.uk/tools/bio-linux/

Bodhi Linux

Bodhi Linux is a lightweight Linux distribution based on Ubuntu, that uses the Enlightenment window manager.The philosophy for the distribution is to provide a minimal base system so that users can populate it with the software they want. Thus, by default it only includes software that is essential to most Linux users, including file browsers (EFM), a web browser (Midori) and a terminal emulator (Terminology). It does not include software or features that its developers deem unnecessary. To make populating systems with software easy, Bodhi Linux developers maintain an online database of lightweight software that can be installed in one click via apturl.

Project HomePage

http://bodhilinux.com/

Downloads

http://www.bodhilinux.com/downloads_desktop.php

Linux Deepin

Linux Deepin is a Ubuntu derivative that is targeted at improved usability, featuring a carefully tweaked Gnome3 experience. We aim to reduce complexity for newbie's, whilst still providing a good experience for power-users.

Project HomePage

http://www.linuxdeepin.com/

Downloads

http://www.linuxdeepin.com/download

EasyPeasy

EasyPeasy (formerly named Ubuntu Eee) is a Linux-based operating system for netbooks. EasyPeasy is built upon Debian and Ubuntu, but is customized for low-powered computers and access to web applications.EasyPeasy is maintained as an open source project,though it does use popular web applications or proprietary software over free and open source software alternatives (e.g. Skype over Ekiga) when the functionality offered is deemed better by its users.

Project HomePage

http://www.geteasypeasy.com/

Downloads

http://www.geteasypeasy.com/get-easypeasy/

gNewSense

gNewSense is a Linux operating system based on Ubuntu.Its goal is to maintain the user-friendliness of Ubuntu, but with all proprietary (e.g. binary blobs) and non-free software removed. The Free Software Foundation considers gNewSense to be a Linux distribution composed entirely of free software.gNewSense takes a relatively strict stance against proprietary software. For example, any documentation that gives instructions on installing proprietary software is excluded.gNewSense is the distribution used by Richard Stallman (founder and president of the Free Software Foundation) as of January 2010.

Project HomePage

http://www.gnewsense.org/

Downloads

http://www.gnewsense.org/Main/Download

Joli OS

Jolicloud was created in 2009 with the vision of combining the infinite power of the cloud with the most simple and elegant user interface. The journey started with Joli OS, a free operating system transforming the way people are using low cost computers. Today, Jolicloud is the most innovative platform to access our life online, from computers to mobile.

Project HomePage

http://www.jolicloud.com

Downloads

http://www.jolicloud.com/jolios/download

The Linux Schools Project

The Linux Schools Project provides an operating system that installs a server or set of servers based on your school needs, some of the roles available are: PDC, File,Print, Web and Proxy.
Once the server role has been chosen, the services required are automatically configured for a school setting, some of the services pre-configured are Samba, LDAP, Apache, Moodle, Cups, MySQL and SquirrelMail.The servers are maintained via a web interface that allows easy to use and remote administration of your network and provides access to the functions of day to day jobs like creating users or changing user passwords.

Project HomePage

http://linuxgfx.co.uk/

Downloads

http://www.linuxgfx.co.uk/download.html

Kuki Linux

Kuki Linux is a lightweight Ubuntu-based Linux distribution created by IT Square’s founder, built to be a replacement for the Linpus Lite distribution on the Acer Aspire One.It is now an official IT Square Distribution.

The goals for kuki Linux are :

Out of the box working system

Fast boot and low usage on SSD / HDD

Light and fully working programs for most common daily tasks.

Kuki Linux uses XFCE 4.6 as a window manager and features lightweight software and all the fixes to allow the Acer Aspire One to work as well as possible.

Project HomePage and Downloads

http://itsquare.pt/en/kuki-linux-en

LinuxMCE

LinuxMCE is a free, open source add-on to Kubuntu which is mostly licensed under GPL. Third-Party developers can and SHOULD make and submit patches and new features.

Project HomePage

http://www.linuxmce.org/

Downloads

http://www.linuxmce.org/index.php/download

Netrunner

Netrunner is a free operating system for Intel and AMD based desktop computers, laptops and netbooks. The distribution is based on Kubuntu.

Project HomePage

http://www.netrunner-os.com/

Downloads

http://www.netrunner-os.com/downloads/

Peppermint

Peppermint is a Linux based Operating System that is Cloud / Web Application Centric, Sleek, User Friendly and Insanely Fast.

Project HomePage

http://peppermintos.com/

Downloads

http://peppermintos.com/download/

Pinguy OS

Pinguy OS is a free computer operating system for x86 based PCs based on Ubuntu Linux.

Project HomePage

http://pinguyos.com/

Downloads

http://pinguyos.com/download/

Poseidon Linux

Poseidon (GNU/)Linux was designed as a friendly and complete desktop, based on open source software and aimed at the international scientific community (students, technicians, professors, researchers). This operating system is based on Ubuntu (previously in Kurumin/Knoppix) and inspired by Quantian Linux. It offers several specific tools in the areas of GIS, 3D Visualization, Mathematics, Statistics, Genetics, Bio-Informatics and several other fields of research.

It also has all the software expected  in a modern desktop such as a complete office suite -- with spell checker, web browsers, e-mail readers, instant messaging, to cite but a few. It is ideal for students, teachers, researchers, but also for any common (home) user

Project HomePage and Downloads

http://www.en.poseidonlinux.org/

Puredyne

Puredyne is aimed at creative people, looking for tools outside the standard. It provides the best experimental creative applications alongside a solid set of graphic, audio and video tools in a fast, minimal package. For everything from sound art to innovative filmmaking.Puredyne is optimised for use in realtime audio and video processing. It distinguishes itself by offering a low latency kernel and the high responsiveness needed by artists working in this field.

Project HomePage

http://puredyne.goto10.org

Downloads

http://puredyne.goto10.org/download.html

Puppy Linux

Linux is a free operating system, and Puppy Linux is a special build of Linux meant to make computing easy and fast.

Puppy Linux enables you to save money while doing more work, even allowing you to do magic by recovering data from destroyed PCs or by removing malware from Windows.

Project HomePage

http://puppylinux.org

Downloads

http://puppylinux.org/main/How%20to%20download%20Puppy.htm

Qimo

Qimo is a desktop operating system designed for kids. Based on the open source Ubuntu Linux desktop, Qimo comes pre-installed with educational games for children aged 3 and up.Qimo’s interface has been designed to be intuitive and easy to use, providing large icons for all installed games, so that even the youngest users have no trouble selecting the activity they want.

Project HomePage

http://www.qimo4kids.com/

Downloads

http://www.qimo4kids.com/download/

StartOS

StartOS (formerly Ylmf OS) is a Chinese Linux distribution. In the beginning it was based on Ubuntu.but starting from version 4.0 it adopted custom package management (called YPK) and system installer, though the underlying live medium is still built using Ubuntu's Casper tool Its user interface closely resembles that of Microsoft Windows XP.The distribution was originally not available in the English language, though shortly after the initial release in late 2009 an English language version of Ylmf OS was released.

Despite the very similar likeness to Windows XP's Luna theme—the default theme for Windows XP—Microsoft does not appear to be planning to take any sort of action against the operating system or its developers

Project HomePage

http://www.startos.org/

Downloads

http://www.startos.org/#linkDown

Trisquel

Trisquel is a fully free GNU/Linux based operating system for home users, small enterprises and educational centers.

Project HomePage

http://trisquel.info/

Downloads

http://trisquel.info/en/download

UberStudent

UberStudent is a free and open-source computer operating system and collection of programs for higher education and college-bound secondary students, their  teachers and schools, and researchers, knowledge workers, and lifelong learners.

Dubbing itself "Linux for Learners", UberStudent describes itself as "a cohesive academic success curriculum integrated into an installable, easy-to-use, and full-featured learning platform" aimed at increasing student learning and lifelong computer fluency. Its additional aim is to increase the adoption of free and open-source computing platforms, like itself, within higher education and secondary schools.

Project HomePage

http://uberstudent.com/

Downloads

http://uberstudent.com/get-uberstudent

Ubuntu Cinnamon Remix

The Ubuntu Cinnamon Remix is Ubuntu 12.04.1 with Unity removed and replaced by Cinnamon with two panel (classic) configuration as default, multimedia extras included and preinstalled along with Firefox plugins and addons. Weather applet is also preinstalled.

Project Home page and Downloads

http://sourceforge.net/projects/cinnamon-remix/

Ultimate Edition

Ultimate Edition, first released in December 2006, is a fork of Ubuntu and Linux Mint. The goal of the project is to create a complete, seamlessly integrated, visually stimulating, and easy-to-install operating system. Single-button upgrade is one of several special characteristics of this distribution. Other main features include custom desktop and theme with 3D effects, support for a wide range of networking options, including WiFi and Bluetooth, and integration of many extra applications and package repositories.

Project HomePage and Downloads

http://ultimateedition.info

Vinux

Vinux is a remastered version of the Ubuntu Linux Distribution optimised for visually impaired users. It provides a screen-reader, full-screen magnification and support for Braille displays out of the box! It can be run from a Live CD without making any changes to your hard drive. If you like it you can install it to a USB pendrive or to your hard drive either alongside Windows using the Virtual Version, or as a complete replacement for windows

Project HomePage

http://vinuxproject.org/

Downloads

http://vinuxproject.org/downloads

XBMC

XBMC is a free and open source media player application developed by the XBMC Foundation, a non-profit technology consortium.XBMC is available for multiple operating-systems and hardware platforms, featuring a 10-foot user interface for use with televisions and remote controls. It allows users to play and view most videos, music, podcasts, and other digital media files from local and network storage media and the internet

Project HomePage

http://xbmc.org/

Downloads

http://xbmc.org/download/

Zentyal

Zentyal (formerly eBox Platform) is an Linux server for small and medium enterprises (SMBs), considered an alternative to Windows Server and other Microsoft's infrastructure products for SMBs. Zentyal can act as a Gateway, Network Infrastructure Manager, Unified Threat Manager, Office Server, Unified communications Server or a combination of them. Zentyal is based on Ubuntu and it can be installed either from Ubuntu repositories or from Zentyal's own installer.

Project HomePage

http://www.zentyal.org/

Downloads

http://www.zentyal.org/downloads/

ZevenOS

ZevenOS is a German Linux distribution. It is based on Ubuntu and focuses on a fast and easy to use system while mimicking the look and feel of BeOS. It is intended to work also on older laptops and computers with low CPU speed and memory with full multimedia support. The current stable version of ZevenOS is the 5.0 release (5 December 2012) and is based on Ubuntu's 12.10 "Quantal Quetzal" release

Project HomePage

http://www.zevenos.com/

Downloads

http://www.zevenos.com/download

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