BackgroundThe Magnum project, a young project that increased OpenStack in November 2014, was initiated by Rackspace, which is positioned to provide the API framework for container-as-a-service (Container as a services), which is planned for October 2015
version number is mature.We know that the Nova project in OpenStack now supports the Docker container (the container as a virtual machine tube) in the form of Nova-docker. But in the actual use, w
that runs on cloud services, including Hadoop, to provide a high degree of complementarity. WHIRR supports the services of Amazon EC2 and Rackspace.
Apache bigtop: A tool for packaging, distributing, and testing Hadoop and its surrounding ecosystems.
Apache hcatalog: Hadoop-based data table and storage management for central metadata and schema management, spanning Hadoop and RDBMS, and providing relational views with pig and hive.
Cloudera Hue
platform for application logging, event transfer, processing, management, and search. (Project details)Project home: http://logstash.net/Code Escrow Address: Https://github.com/elasticsearch/logstashRecommend related documents:Analyzing Apache logs with LogstashLog file monitoring Tool-LogstashIntegration of Logback and LogstashServices for billions of customer searches with Elasticsearch and LogstashUse Logstash+elasticsearch+kibana to quickly build a log platformLogstash Open Source Log manag
today, but it can also be called Mirantis OpenStack, developed by Mirantis company.About MirantisMirantis, a very cool OpenStack service integrator, is the only company in the top 5 community contributors to a meal by software and services (others are red Hat, HP, IBM, Rackspace). In contrast to several other community distributions, the fuel version is fast paced, providing a relatively stable community version on average every two months.What is Fu
. Infrastructure at the bottom, platform in the middle, software at the top. Other "soft" layers can be added on top of these layers.Iaas:infrastructure-as-a-service (infrastructure as a service)The first layer is called IaaS, sometimes called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or other high-level hardware to control your local applications and get your business up and runni
, iPhone), Mac OSX
Marmalade: IOS, Android, bada, LG, BlackBerry (see here)
Flash Air: Browser, standalone, IOS, Android
Windows8, Windows 7, Vista, XP, Windows Server: Native . net
Windows Phone7 +
HTML5: Javascript
Android: Java and native (ndk)
. Net
Mono(Cross-platform. Net runtime environment)
Hosting hosting
Host photon with any major provider
PAAs: Platform as a service
IAAs: Infrastructure as a service
Major
for use
23. Current cloud instances in Internet services
24. Trends of cloud computing giants-IBM
25. Trends of cloud computing giants-amaozn
26. Trends of cloud computing giants-Google
27. Trends of cloud computing giants-Microsoft
28. Dynamics of cloud computing giants-salesforce.com
29. Trends of cloud computing giants-Oracle
30. Trends of cloud computing giants-gogrid
31. Trends of cloud computing giants-rackspace
L
Inspection by half of technology companiesProgramMember'sAlgorithm, Data structures, operating systems, programming capabilities, big companies also have IQ questions.
The following are the top 10 most challenging tech companies in the United States:
1. thoughtworks;
Second: Google (there will be multiple rounds of interviews involving IQ tests and instant mathematical questions );
Third: Unisys (there will be multiple rounds of interviews, design multiple interviewers, the entire int
community, it is becoming increasingly important to establish a committee to regulate communication among members of the community, especially in an opinionated culture where the polite atmosphere is created."Many companies are now taking a non-intrusive approach," Aurora said of why some companies thought they could not monitor too much, "and they would stop producing value for free." ”Rackspace Software developer Alex Gaynor (director of the Python
be on the side of the data center, one will be on that side, unpredictable. At this point, cloud elasticity is very important(2) Sony transferred the Internet music service to EC2.(3) Cloud monitoring service(4) Amazon EC2, runs a Linux server, charges 8.5 cents per hour, runs a Windows server and charges 12 cents an hour; in Rackspace Cloud, run a Linux server and charge 1.5 cents per hour. Small businesses benefit.(5) Cloud is a business model(6) M
,software (software)-as-a-service. Infrastructure at the bottom, platform in the middle, software at the top. Other "soft" layers can be added on top of these layers.Iaas:infrastructure-as-a-service (infrastructure as a service)The first layer is called IaaS, sometimes called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or other high-level hardware to control your local applications a
iseither "admin" or none. In V3 you can control who can call each method. (Provided you define your own policy file)3) Separate drivers forAssignments and Identity4) RichSetof APIs. There is lot more API available than V2.0. Also There is no vendor specic extension. If you check v2.0, most of the role APIs is Rackspace Extensionsbefore proceed to migrate Keystone V2 to V3, you must check previous s Ervices is working fine. Use the following commands
Mirroring in the cloud platform is also important, providing a variety of customized images to make the user experience even better.The first time you played OpenStack was with the Cirros mentioned in the installation documentation, whose password Cubswin:) It was strange at first, and now it's ready to be played. PS: Playing is also very skilled:-)Then slowly began to want to try a variety of mirrors, and so on the internet search a lot. As follows:
Official Document Http://docs.openstack.o
Hadoop, to provide a high degree of complementarity. WHIRR supports the services of Amazon EC2 and Rackspace.
Apache bigtop: A tool for packaging, distributing, and testing Hadoop and its surrounding ecosystems.
Apache Hcatalog: Hadoop-based data table and storage management for central metadata and schema management, spanning Hadoop and RDBMS, and providing relational views with pig and hive.
Cloudera Hue: A web-based monitoring and management
-consuming.
The iRedmail project is obvious. In Versions later than Ubuntu 10.04, all packages are from the release version. Of course, the admin dashboard is left out.
2: New Software
Compared with CentOS, software version updates are relatively timely. RedHat is too conservative. However, this is also related to the workload.
3: Default Optimization
The default settings of many software have been optimized, which is much better than CentOS.
4: Business Support
If you have used Redhat subscript
around the development of public and private APIs, which are used for cloud management, security, and interoperability. A few simple APIs are provided, such as the open cloud computing Interface Working Group, Amazon EC2 API, and vcloud API submitted by VMware DMTF, sun's open cloud API, rackspace API, and gogrid's API. Open, standard APIs, and common container formats, such as the open virtualization format ovf (Open virtualization format) of DMTF,
also provide UOS hosted cloud services. It provides the same capabilities as public cloud through unified architecture, unified O M, and unified upgrade. The unitedstack hosting cloud is fully built using the openstack open-source platform and development standards, and 100% supports native openstack APIs. On this basis, users can perform secondary development to make full use of all the resources of the mature openstack ecosystem.
To ensure the stability and continuity of UOS cloud services,
bill, as its "cloud Operating System", was initially developed by rackspace and NASA, but is used as a separate basis after the project is planned to be split. The most famous competitor of openstack is eucalyptus, which is basically a private cloud Implementation of Amazon Web Services.
It may be easy to think that the word "Cloud" is always illusory for technical clusters. However, the benefits of large-scale virtualization and other plans are visi
2010Oracle excludes OpenSolaris from its product roadmap.March 2010Simon Phipps, an open-source officer of Sun Microsystems, left the company when the two companies merged.April 2010James Gosling, father of Java, left Oracle and later said the company "challenged morality ".August 2010Oracle internal memos inform employees that OpenSolaris will be suspended and Solaris and ZFS will also be "disabled ".The OpenSolaris Management Board is dissolved.Open OpenSolaris and ZFS project Illumos.Multipl
applications and storage simple and does not need to consider the details of the underlying infrastructure, the application software can be extended to a very large extent without any modification.2. IaaS public cloudSwift's linear expansion in design, high concurrency and multi-tenant support make it ideal for IaaS, with a large public cloud, in this case, a large number of virtual machines are started concurrently. Therefore, for the background storage of Virtual Machine images, the actual ch
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