Does this explain why Raglan felt justified in issuing those two orders to Lucan and the cavalry: first to advance and take any opportunity to “recover the Heights” and then to “advance rapidly to the front – follow the enemy and try to prevent the enemy from carrying away the guns ”? This is the famous Woronzow Road that, for much of its length, runs along the range of hills known to the British during the Crimean War as the Causeway Heights.įrom Raglan’s vantage point, the Heights appear to be little more than a slight rise in the ground and are dwarfed by the hills that fringe the plain to the north and east. When I visited it, I was struck by the panoramic view it afforded of the battlefield.ĭirectly below the platform is a large plain covered with vineyards and other crops – just as it was in 1854 – and bisected by a tarmac road that snakes from right to left. The site on the edge of the Sapouné Ridge, from where Raglan and his staff are said to have observed the battle of Balaklava, is today marked by a viewing platform. ![]() It is hard to comprehend how the Light Brigade could have been misdirected until you stand on the spots where the main actors were situated when they made their fatal decisions. The communication breakdown between Lord Raglan and his cavalry commander is perhaps explained by the topography of the Balaklava battlefield, says Saul David Within a month they were besieging the great naval base of Sevastopol from the Chersonese Plateau to its south. Determined to protect the Ottomans by neutralising Russian power in the Black Sea, the Allies had landed on the Crimean peninsula in early September 1854. Thus the charge was the last action of the battle of Balaklava which, though far from conclusive, was a Russian victory of sorts – their first of a war that had begun the previous March when the Russian tsar refused British and French ultimatums to withdraw his troops from Ottoman empire territory. He was dissuaded by General Canrobert, his French counterpart, on the grounds that troops could not be spared from the siege lines for their garrisons. What happened after the Charge of Light Brigade?Įven after the fatal charge, Lord Raglan was keen to use his infantry to retake the captured redoubts. The number of dead horses was almost 400. ![]() Even with the return of stragglers, the losses were crippling: 107 men killed, 187 wounded and 50 missing (most of them captured). ![]() When the battered remnant of the around 676 men of the Light Brigade formed up near the same ground they had charged from 25 minutes earlier, only 195 men were still mounted. How many of 'the 600' survived the charge of the Light Brigade?
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![]() The makers of Twrench retired the service and launched a new tool called Pickaw. Some years ago the original technology behind Tweetdraw was replaced by the technology that powered the well-known Twrench service. Tweetdraw was originally known as Twitterdraw, and since then has undergone a number of changes. It is normal to expect the entrant count to be lower than the total number of retweets, please bear this in mind. The draw will not be able to count entries made by suspended accounts, or accounts who are set to “private”. Why are there fewer entries in the draw than retweets for the tweet? Signup with code TWEET for 15% off all paid plans. You can try it free with no credit card required. We run which is a simple ecommerce website builder that allows you to build an online shop in minutes with no coding skills required. There you can find out our best practice on how to run a Twitter contest, how to run an Instagram contest, and other advice you may find useful! Want to build an online store? Want to learn how to run better online contests and sweepstakes? Check out our contest blog. Simply input the tweet ID or URL and find the draw details that have been made against it by the promoter. Tweets will need to be 60 days or less, and up to 3000 retweets can be drawn from. You can check the draws of other accounts. You will only be able to draw from tweets from an account you own. Your winner will be displayed, along with the draw ID for reference and proof – simply click the link saying “Tweet this” to share on Twitter directly the username of your winner and how the winner was drawn. Input the tweet ID (the long number) or the whole URL of the tweet and the draw will be made automatically. Tweetdraw is a free tool to draw a random RT (retweet) for a Twitter contest or sweepstake. ![]() In simpler words, Docker is a tool that allows developers, sys-admins etc. Written and developed by Prakhar SrivastavĪn open-source project that automates the deployment of software applications inside containers by providing an additional layer of abstraction and automation of OS-level virtualization on Linux. Docker images are stored in the Docker registry and images are exported to glance from Docker registry which Nova uses to create Containers.Learn to build and deploy your distributed applications easily to the cloud with Docker.Nova Docker Virt driver talks to Docker agent using http api calls.To spawn containers Nova compute driver is pointed to Docker driver.Following is the architecture diagram mentioned in the Nova Docker wiki. In this approach, Nova driver is extended to spawn Docker Containers. There are lot of resources for learning Openstack and Docker available in the web, my blogs related to these topics can be found here and here. For this blog, I am assuming users are already familiar with Openstack and Docker. Openstack is opensource cloud orchestration software and Docker is opensource container management software. Magnum is pretty new and is under development. The 3 predominant approaches are using Nova Docker driver, Heat Docker plugin and Magnum. In this blog, I will cover the different ways in which Openstack can create and manage Docker Containers. The Heat approach allows us to specify environment variables, link containers, specify volumes as well as orchestrate the host on which the Docker runs.Ĭontinue reading Openstack and Docker – Part 2 →.Glance is not involved here as the container images are stored in Docker registry.The VM can either be spawned by Nova or Heat can spawn this using Nova driver. Openstack heat uses Docker plugin to talk to Docker agent on the host. Following is the architecture diagram I found in Openstack Docker wiki for heat. Heat docker plugin solves problems 1-3 and partially solves problem 4. Orchestrating and scheduling the containers.In this blog, I will cover Openstack Docker heat plugin and Magnum.įollowing are some of the items that Nova Docker driver cannot do currently: This is a continuation of my previous blog on Openstack and Docker. Otherwise, either Stacking will fail or instance creation will fail. It is needed to setup VM with atleast 4G RAM and 8G hard disk.There are some pre-requisite software that needs to be installed before running Devstack like setting up Python environment etc.For basics of Virtualbox, please refer my earlier blog on Virtualbox.įollowing are typical issues I have seen folks facing when running Devstack: Windows 7 machine with Virtualbox 4.3.28 and Vagrant 1.7.2. For getting started on Vagrant, you can refer to my earlier blog on Vagrant. Vagrant makes it easier to create and share VMs and this makes Vagrant Devops friendly. In this blog, I will walk-thru the steps for the installation. With this, VM creation and Devstack installation can all be done with a single script. To make this simple, I created Vagrant images for different Openstack releases. I received multiple queries on installation related issues. I had written 2 earlier blogs on installing Devstack for Openstack Icehouse and Openstack Juno. Devstack provides a great way to get hands-on with Openstack. Devstack script provides a development environment for Openstack. Openstack is a Cloud Orchestration software. I uninstalled boot2docker and Docker CLI worked fine after that.Ĭontinue reading Docker Kitematic for Windows → The second issue I faced was with running Docker CLI and it complained that Docker client and agent versions did not match.This was because I had boot2docker installed previously in my Windows machine. I deleted 4 of them and tried reinstalling Kitematic and the installation went through after that. I already had 6 host-only interfaces created in my Virtualbox. 1 of the workarounds I found by googling was to delete the host-only interface that Virtualbox creates for Kitematic/boot2docker. I had faced similar issue when installing boot2docker. ![]() When I tried installing, I got this issue: In my case, I already had Virtualbox installed. If Virtualbox is not installed, Kitematic installation program also installs Virtualbox. Kitematic loads a small Linux VM in Virtualbox over which the Container runs. ![]() Kitematic uses the same Linux VM as boot2docker.Īfter registering for Alpha program, I received the download link 1 day later. Kitematic is boot2docker combined with a GUI for managing containers. I had covered boot2docker in 1 of my earlier blog. I tried this recently and I will share my experiences in this blog. Recently, Kitematic released an alpha version for Windows. Kitematic simplifies Docker installation for Mac and also provides an easy GUI interface to manage Containers. |
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