Tags CloudCinnamon Desktop Environment Fedora Gnome KDE Linux Mint MATE Desktop Ubuntu Ubuntu 14.04 XFCEStay Connected Facebook twitter Google Plus Instagram Tumblr Youtube RSSAbout Linux ScoopLinux Scoop is the site dedicated for Linux and Open Source Apps video sharing. When using a computer for work or for personal use, the desktop space can become overcrowded especially for those that like multi-tasking. An extra monitor will increase your workflow and even more, it will ease a lot of basic operations and improve productivity in great percentages. Pairing two monitors at the same station represents the use of multiple display devices in order to obtain a bigger surface available for applications on a single computer.
Further in this article, we will present the advantages of using two monitors instead of one, so stay along and read the following five major benefits which come with the addition of an extra screen. The same thing can be done when you have to copy text from a word file to another, the two files can be put on separate monitors.
Online games represent one of the most successful businesses at this time; they are played by millions of people that are paying monthly subscriptions. Offline games can do the same, strategy or simulator games are the most appropriate for doing this. Video and picture editing programs have lots and lots of different tools that seem a little overcrowded on a single display. For instance, you could set to show all tools and functions on one screen, and to work directly with the file on the other. How many times you wanted to see a football game or a movie but you had to stay at your desk, working or doing something else? With two monitors, you can continue doing your job and set the TV program to be on the other monitor. With two monitors it can be very easy to compare different things, placing one on the first monitor and the other on the second.
In fact you can do many things with two monitors and in my opinion the best capability is to run two different applications in full screen.
After reading the advantages, follow the second part of the article which will explain how to configure your settings to run with two monitors, depending by the operating system used. If the second monitor is not recognized press “Detect” and if this doesn’t work too, you should take a look at the cables again.
After you managed to make it work, you will probably see the same thing on both of the monitors. Duplicate these displays – This is the standard method of operating which shows on both screens the same display. The new operating system made by Microsoft, Windows 8, was launched last year with a great number of new features.
For more settings, such as the resolution of the screen or its position, right-click on your desktop and select “Screen resolution” where you’ll find all the options you need. When you want to connect a second display to your Mac, please check the documentation before you buy another monitor, because not every Mac supports multiple screens.
Go to “System preferences” under the Apple menu which can be found on the top-left of the screen.
Even if you have an older Mac which doesn’t have an extra port on the graphic card, don’t dispair because there are some USB solutions. Ubuntu is the Linux-based operating system that is the most popular Linux distro among personal computers, servers and cloud computing. If the monitor is not recognized, press the “Detect monitors” button to force your computer to find it.
The monitors are now extended, but if you want to see the same image on both screens, check the “Mirror” option.
Before buying a new monitor it’s wise to verify on Ubuntu’s forums to see if the driver of your video card supports another monitor.
All in all, the best things about the second monitor are the increase of productivity and add a better sensation when using them with the extended option. Everything is nice with two screens, but there are some things that will create discomfort, such as the taskbar that is shown only on the first display on Windows, or the incapability to maximize a window on both of the screens and so on.
Display Fusion is an application designed and developed to make your life easier when using multiple monitors on Windows Vista, 7 or 8.
This little application can even do more, because it can work on as many monitors as your computer supports and it’s available in dozens of different languages.
All in all, this is a complex application, but with a friendly user-interface that can be tried for 30 days before buying it. Another big improvement added to your multiple monitor experience is the ability to set different wallpapers for every screen or to create a gradient background, from the first monitor to the last one. Multimon is an application that is the equivalent of UltraMon or DisplayFusion for Mac OSX users. This program lets to add the menubar on every monitor that is connected to your computer and the possibility to configure the hotkeys to quickly move windows between screens.
Unfortunately it doesn’t have other big features like the Windows apps, but for Mac OSX users this program represents one of the best choices they have. Alex holds an engineering degree in Telecommunications and has been covering technology as a writer since 2009. Subscribe to TechPPSubscribe to our email newsletter for useful tips and valuable resources. Ubuntu despite its recent improvements in  appearance, arguably does not match the elegance of the Windows 7 Aero Glass Look. Once the package is downloaded, you will see a prompt to start the Win7 theme installation.
This will be followed by a number of different prompt where you will simply require clicking on OK to continue.
It is to be noted that the new appearance might take some time to get use to, as the Ubuntu applications might start appearing unfamiliar because of the Windows 7 look that their interface will adopt. Unfortunately bigger screenshots cannot be provided as they will exceed the size of our webpage.
When you run the Windows 7 theme setup script, the backup of the previous Gnome settings are saved in your home folder. AddictiveTips is a tech blog focused on helping users find simple solutions to their everyday problems.
Whenever Ubuntu is installed, the icons for all the mounted partitions show up on your desktop. Let see how partition’s icons show on the desktop, I have only one partition setup for ubuntu, so here is the look of my desktop. A simple way to launch the Gnome configuration editor is to open the Run Application dialogue box by pressing  Alt + F2 and then type  gconf-editor in the box and click the Run button. Instant Contiki is an Ubuntu-based virtual machine that takes away the complexity of starting to develop software for Contiki: Instant Contiki contains all the compilers and tools needed for Contiki development in a single file download. TI E2E Forums and DeyiSupport Local Forum.Here is where to ask all your questions regarding running COntiki and Thingsquare Mist on TI hardware. Use LM Flash Programmer download the firmware to TM4C123 MCU.Please find the image here, aslo you can build the firmware follow below steps. Use LM Flash Programmer download the firmware to TM4C1294 MCU.Please find the image here, aslo you can build the firmware follow below steps. Plug the USB Cable that came with the Edge Router into the PC, and into the DEBUG Mini-USB jack on the Edge Router. The Edge Router should be work correctly if the Edge Router got the ip address from AP via DHCP. NOTE: Replace xxxxx in the above topic with an ID, produced in TeraTerm after pressing the SW1 button on Node.
Here will set up a simple TCP client application demo.The node will run the TCP client application and connect to TCP server which using the TCP Test Tool running on the PC. NOTE: Replace xxxx in the above command with a unique ID, this will be used to create a IPv6 address.
Power on the node, it will join the 6LoWPAN network and connect to the TCP server automatically. At the recently concluded OpenStack summit in Austin, I was impressed by the amount of interest shown by attendees on containers.
At the summit, I had the opportunity to present to a fairly large group of audience on one of my passionate projects that immensely helped our team.


We chose Ansible for automation as is one of the most popular, intuitive and easy to use automation platforms today. This post describes how to setup a working kubernetes cluster on OpenStack virtual machines. The below diagram shows the various software components in play and how they interact to automate the cluster.
This setup assumes that you have an OpenStack cloud running core services such as Nova, Neutron, Glance and Keystone.
All playbooks get their input variables from a file named settings.yml, which will be referred to as the settings file. If everything goes well, you will see that all the nova instances are created without any errors in your OpenStack cloud. The control plane for the k8s cluster which includes the API server, scheduler, etcd database and kube controller manager is deployed using a master manifest file. In this post, I will describe how to use the OpenStack neutron service for networking the k8s pods. In order to accomplish this, as a first step, the default docker bridge named docker0 in each node is replaced with a linux bridge named cbr0.
The third step is to add an ip tables rule to masquerade traffic destined from the pod subnet to the Internet for outbound connectivity. The last step is to enable ip forwarding on the linux kernel of each node to route packets to the bridged container network. The end result of running this playbook is that neutron networking is now programmed to route traffic between the pods and to the Internet. This stable service ip can be exposed to the outside using the NodePort capability of kubernetes.
In conclusion, I hope this blog post has shed some light on how to standup a Kubernetes cluster within OpenStack using Ansible. Some of the individuals posting to this site, including the moderators, work for Cisco Systems.
It also allow user to submit video about linux distribustion review, open source application review, open source apps how to and videos related to linux and open source. Join us, as we explain how to easily set up the configuration on Windows 7,8, Mac OS X and Ubuntu.
In the following lines we will present how to set-up an extra monitor on your Windows, Mac OS X or Linux computer and the advantages that come with this. They can be connected through different ports from the installed video card on your computer, either with the analogic signal, which has the VGA port and S-Video, or with the digital signal, which has DVI and HDMI. Usually, you have to adjust by measuring the folder windows to be able to make the operation, but in this case with two monitors, everything would be easier, because you can place one folder on the first monitor and the other, on the second monitor. These two basic operations may not seem the most exciting tasks, but in fact they take so much time from us.
The majority of games have the capability to be played on multiple monitors in order to offer a better experience. Only imagine that you could set to view a map on a monitor and the battle on the other for a strategy game, or better, to create bigger panoramic views for your flight simulator.
Having two monitors revolutionizes the whole way of your work, because you’ll be able to organize the placement of everything by yourself. This is also a big thing for CAD applications too, because the organization ways are endless, letting you express in conformity with your needs. Your TV wasn’t near, so you had to watch it on your computer, but unfortunately there wasn’t so much space on your screen so you had to minimize the window.
You can verify the characteristics of two devices you want to buy or compare a photo after it was edited with the original one. Note that I consider you already connected your monitor to your graphic card through an available port. If you can’t find any problem and the screen still doesn’t display something, call customer service. It’s awesome for multi-tasking, dragging and dropping or playing different games, but this will take some time until you will get the hang of it. The biggest change was the absence of the Start button, change that was not so agreed by users. While the first will show the same image on both monitors, the second will extend the desktop across the displays.
For example, Targus USB 3.0 SuperSpeed Dual Video Adapter can be bought for $99 and it’s able to quickly connect up to two external monitors to your laptop.
That’s why we will also present some applications that permit you to unlock the full potential of multiple monitors. It has powerful features that will ease your job and make your experience much better, features like Window Management or Easy Administration. Thanks to its Multi-Monitor Taskbars feature, users can easily organize and configure a taskbar to be shown on each of their monitors. The most interesting thing about it, is, in my opinion, the possibility to change the logon background to your Windows. After, if you are pleased with its abilities, you will have to choose one of the pricing plans that are starting from $25.
This application can do wonders to your screens, such as quickly moving windows between monitors, adding custom buttons to the window menu of applications, maximizing windows through all screens and so forth.
Moreover, you can have different screensavers on each monitor or you can choose to blank the secondary ones while it’s running on the first monitor. A single license for UltraMon is $39.95 and if you are planning to use this application on more computers check the pricings here. It’s a good utility program that adds multiple features to ensure them that they’ll not get lost between different screens. It’s very interesting that when you move windows, this application automatically resizes them so that they will match the monitor’s resolution.
It’s a small program that is very useful when connecting your computer to a second monitor as it will increase your productivity and workflow. As the name says, it allows adding and customizing menubars on your other connected monitors. If you are a Windows user who recently started using Ubuntu or a hardcore Linux enthusiast interested in the Windows Aero Glass effect for your Ubuntu desktop. During these prompts you might be asked to install certain packages required to complete the process. A good example is the Ubuntu Software center that will look much like a common directory opened in Windows explorer. We review the best desktop, mobile and web apps and services out there, in addition to useful tips and guides for Windows, Mac, Linux, Android, iOS and Windows Phone. They actually help to easily navigate through the file system, but if you don’t want them to be displayed in order to keep your desktop neat and tidy, then let me share an easy way to get rid of them. In addition to those TI has created some demo applications, here will set up a simple application demo based on MQTT protocol.It uses the IBM developed MQTT protocol to interact with a public cloud service what. You should see a "COMxx: Stellaris Virtual Serial Port(COMxx)", if so select it and click ok. Wait for while, it indicates the Node connect to the Cloud Service successful if you see below. If the client connect to server successfully, the TCP server can send the data to client and client will send back the data. Almost all of the container related sessions were packed as customers are now realizing its advantages. By containerizing applications, you are able to virtualize the host operating system.
Kubernetes (k8s) is an API driven platform for orchestrating and managing docker containers. Kubernetes also has a pluggable model that enables developers to write their own modules and build services atop this platform. It is agent-less and uses ssh to login to systems in the infrastructure and enforces policies that you have described in a file called a playbook. A K8s cluster has a master node, which runs the API server and a set of worker nodes that run the pod containers. I will use this diagram as a reference to illustrate the automation process and it should all make sense as you read through this post.
The certificates needed for SSL are generated by running the script make-ca-cert.sh as one of the playbook tasks.


This is similar to the setup used in GCE. There are other options such as flannel that uses UDP encapsulation to create an overlay network for routing pod traffic over existing tenant neutron networks.
This is because the neutron tenant router does not know that it needs to SNAT the traffic from the pod subnet.
So when you route traffic destined to the pod network to the virtual machine’s port, it is filtered by the hypervisor firewall. The service provides a stable IP address using which you can connect to the application running in a pod container. What nodeport does is that it uses the IP addresses of the worker node and a high tcp port say 31000, to expose the service ip address and port to the external world. To earn points and badges for participating in the conversation, join Cisco Social Rewards.
Opinions expressed here and in any corresponding comments are the personal opinions of the original authors, not of Cisco.
In spite of the fact that you will pay extra for another monitor, it will be worth every penny. On that account, this version of the popular Windows is not so cheered by many fans and that’s why developers are trying to fix up their mistakes with upcoming updates. In addition, it permits you to add different wallpapers and screensavers on each monitor or to span them through all of your screens.
Now you are able to swap that boring blue image with one of your favorite pictures or even with an online provider that is supported by the program. While the mirror shows all tasks that are ongoing, the standard mode only shows applications that are performing on that specific monitor. The bad thing is that it doesn’t have other configurable settings, but it’s free for download.
When he’s away from the keyboard, simpler things like hiking, mountain climbing and having a cold drink make his day.
For example, you may require installing Wine, which allows running Windows programs in Linux environment.
All it will do is allow me to log out or change user, but not turn off or reboot the computer. In addition Thingsquare Mist simplyfies using COntiki OS as it adds small layers to the APIs to make them easier to use. Devices push sensor data to the cloud service, including button sensor reading information and subscribe LED control topic, receiving LED control information from cloud service.
What this means is that you now create isolated environments within the host OS for each container, such as the file system, network stack and process space that prevents containers from seeing each other. In this blog post, I will describe our approach and also provide an overview of the code repo available on github for anyone to use. Besides basic orchestration, it also has control processes that continuously drive the state of the system towards the user specified desired state. As of this writing, it is one of the most advanced open-source platforms available to orchestrate and manage docker containers.
After spawning the instances, you can run the remaining playbooks to deploy docker and kubernetes. You can source this environment variables and run the docker client against its docker host. Using neutron for pod networking removes this overlay-over-overlay network architecture for containers.
This is different from the networking model in docker in which each container has its own host private IP address. Similarly a route must be added with a destination pointing to each node in the cluster on the tenant router to route traffic destined to the pod network. This is because the pods could be scheduled on any node and can get any IP address from the allocated node_pod_cidr range. So if you allocate a floating-ip to the node, the application will serve traffic on that ip and its node-port. The primary advantage with Ansible is that the architecture is simpler.It is agentless and does not mandate the use of a server machine.
The content is provided for informational purposes only and is not meant to be an endorsement or representation by Cisco or any other party. Mistakes or poorly integrated features, which can also be sensed when working with a dual-monitor system.
Uncheck it and the partition icons on your Ubuntu desktop will disappear.  Later on, if required you may check it to make the partition icons visible. Besides, the containers are also light-weight and portable not only across the OS distributions but also across clouds. Hopefully, you could leverage some of these to build an automated deployment of your own Kubernetes cluster. When using this platform you have the ability to group your application containers together into a composite unit called pod. In the world without automation, these could be thought of as the manual tasks that an IT admin would have to execute to deploy the infrastructure software. It has been tested using the OpenStack kilo release. Ansible deploys the k8s software components, launches VMs, classifies VMs into master and worker nodes and deploys kubernetes manifests. These tags are used by a cloud inventory script [ inventory.py ] to classify the nodes as master and worker during subsequent playbooks runs. The playbook named deploy-kubernetes.yml first downloads and deploys the kubelet and kube-proxy binaries and starts these two services on all the nodes. It is generated on each node because the docker daemon is also configured to use the same server certificate for TLS. The cert directory value is configurable in the settings file.
In order for k8s networking to work, the pod ip addresses must be made routable without NAT. If you use a neutron load balancer, add the worker nodes as members and program the vip to distribute traffic to the nodePort. So an application running in a pod can lookup the cluster dns server to resolve the service name and location. These features enable developers to quickly build, deploy, port and scale apps in a manner that was not possible before with apps running in a virtual machine environment. Do keep in mind that the software has been tested in a development environment only and for any production deployment ensure that you conduct the necessary due diligence as always. Also, for the kubectl client a config file is created with the necessary credentials and cluster master IP address. The service abstraction ensures that the ip address of the pods remain fixed from the a client’s perspective.
When you create docker containers, by default, each container gets its own network namespace i.e. The settings file also contains a dictionary named os_cloud_profile, which provides ansible with the nova virtual machine launch settings. This directory is watched by the kubelet daemon process and it starts all the docker containers that provide control plane services. It is important to note that the CIDR for the service, also known as cluster_cidr, only lives locally in each node and does not need to be routed by the neutron tenant router. By posting you agree to be solely responsible for the content of all information you contribute, link to, or otherwise upload to the Website and release Cisco from any liability related to your use of the Website. When you use the docker ps command, you should see the kube-apiserver, kube-controller-manager, etcd and kube-scheduler processes running in their own containers in the master node.
This will enable you to run the kubectl commands from your terminal window against the cluster. Traffic hitting this service IP is distributed by k8s to the backend pod using a proxy function (kube-proxy) implemented in each node typically using iptables. You also grant to Cisco a worldwide, perpetual, irrevocable, royalty-free and fully-paid, transferable (including rights to sublicense) right to exercise all copyright, publicity, and moral rights with respect to any original content you provide. K8s accomplishes this by creating a pod level holding container with its own network stack and all of the pod containers are configured to use reuse the holding container’s network space.



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