Horizon is a subproject of OpenStack that provides a Web front-end console (called a dashboard) to demonstrate the functionality of OpenStack. Usually, we start from horizon, Dashboard to understand the OpenStack. In fact, Horizon does not add any new functionality to OpenStack, it only uses the OpenStack part of the API, so we can extend the horizon function and extend the
address. The container in the pod, called the app container, uses--net=container when it is created: to share the network space of the pod container.For example, the author has a kubernetes node host PT-169124, with an IP address of 192.168.169.124. The author's environment uses flannel as the bridge network drive of Docker, with ifconfig command can see flannel network device:Flannel0:flags=4305This flannel0 is a bridge created by Kubelet with flannel and is used as the--bridge parameter value
Question: a step has a total of n levels. If you can skip 1 level at a time, you can also skip 2 levels to find out the total number of hops in total and analyze the time complexity of the algorithm. Note: This question has frequently appeared recently. Companies that focus on algorithms, such as MicroStrategy, have chosen this question as an interview question or a pen question. Thought 1: first, we should consider the simplest
Question: a step has a
knowledge. Write some lace as the final conclusion.BI:Bi cannot process unstructured data and can only process digital information. However, in enterprises, there are still a large number of unstructured data such as text, streaming media, and images, these data also have a lot of value, but in the face of these data, the current bi tool is powerless. IBM intelligent miner for text is more reliable, but it seems very weak in Chinese processing.Bi vendors and products:Let's get to know these big
Puppet3 installation in CentOS6.5 Cluster
Puppet3 installation in CentOS6.5 Cluster
Environment: three hosts,
The IP addresses are 10.211.55.11, 12, and 13 respectively.
Install puppet master on 10.211.55.11
Puppet agent is installed on 10.211.55.11, 12, and 13
1. Install puppet Dashboard after the EPEL Library
Yum install yum-priorities
Rpm-ivh https://dl.Fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
Rpm-import https://dl.fedoraproject.
) stocks, and find out what you think of as buying (selling) signals can enter your alternative stock pool and track individual stocks that meet the purchase conditions.
3. In Real-Time disks, you can track the Real-Time trend of your target shares and clearly understand the specific meaning of the opening, receiving, highest, and lowest prices on the day, and the actual situation of the main force in the disk, such as pulling, selling, and protecting the disk, to know whether the relationship b
1. install dependency apt-get install-y build-essential irb libmysql-ruby libmysqlclient-dev libopenssl-ruby libreadline-ruby mysql-server rake rdoc ri ruby ruby-dev2. install rubygems download rubygems-1.3.7.tgzHttp://production.cf.rubygems.org/rubygems/rubygems-1.3.7.tgzUnzip and installRuby setup. rb3.Create gem as an alternative name for the gem1.8 command: update-alternatives -- install/usr/bin/gem/usr/bin/gem1.8 14. create database dashboard cha
-extfile extfile.cnf-out server.crt-days 100003) Delete the old secret and serviceaccount after updating the certificateKubectl Get Secret--all-namespacesKubectl Get ServiceAccount--all-namespacesView Secret and ServiceAccount at the beginning of default, delete them, and the system will automatically regenerate3. Installing Nginx IngressNote: In order to display the nginx_status, you need to expose 8080 ports in addition to 80, 443, and deploy a Configmap file:ApiVersion:v1kind:ConfigMapmetadat
Route: get ( #039; #039;, function () {code ...}}); route: group ([ #039; domain #039; amp; gt; #039; dashboard. homestead. app #039;], function () {code ...}}); dashboard has been configured in homestead and hosts. homestead. app. However, when you access dashb... Route: get ('/', function (){
return view('home.welcome');
});Route: group (['domain '=> 'dashboard
ValueFrom:fieldRef:fieldPath:metadata.namespace-Name:kubernetes_master value:http://192.168.0.105:8080args:-/nginx-ingress-Controller- --default-backend-service=$ (pod_namespace)/default-http-Backend---apiserver-host=http://192.168.0.105:8080The problem that has arisen is that the pod is always in the Crashloopback state after launch, and by logs it is found that Nginx-ingress-controller's boot is always connected to the 443 port of the Apiserver internal cluster ip. Cause the security problem
You can see that all clients have issued certificates. the "+" sign is successfully issued. if the certificate has not been signed, you can use
Puppet cert -- sign node1.canghai.com
To issue the certificate. after the certificate is issued, run
Puppet cert list -- all
The certificate has been issued.5. install the puppet dashboard on the server.Install mysql
Yum install-y mysql-devel mysql-serv
user account settings interface, as shown in Figure 4-29, listing the Organization (gotgitorg) to which the current user belongs. You can either re-set the organization or exit the organization. Note Because the current user already belongs to more than one organization, the right-hand button to convert the current user to an organization is grayed out.
Figure 4-29: Organizational management interface After joining the organization 4.3.2. Organization Management
When users Gotgithub become a m
You can see the dashboard at a glance in the car cockpit, using the dashboard made by using Echarts can easily display the user's data, clearly see the scope of a certain indicator value, the dashboard form of the report used in a variety of statistical systems, this article combined with examples to explain the instrument panel in the sales task completion rate
Once upon a while, the user story was written into the classic sentence of user stories + acceptance conditions.A sample of the following story is provided on the https://blog.versionone.com/agile-acceptance-criteria/.
As an executive, I want to is able to filter the dashboard by department so this I can isolate data by a specific departme Nt.
Acceptance Criteria:
Given the Executive Dashboard default view,
-Memory to provide large-capacity storage, extreme performance, and high availability, it also provides storage layering to transfer less active data to flash and disks to provide outstanding cost effectiveness.
· The Memory Fault Tolerance function of the Oracle Integration System selectively copies memory data across multiple nodes. Therefore, if a server fails, the memory data copy can be used immediately to meet the query requirements. The latest Direct-to-Wire Infiniband improves the Memory
warehousing, there are IBM db2,oracle,sybase iq,ncr Teradata, and so on, the BI application, there are cognos,business objects,microstrategy,hyperion,ibm and so on Data mining, there are ibm,sas,spss and so on. Big Mac Microsoft has also inserted a leg in the BI field, launching the SQL Server Analysis Server, Reporting Services, and other bi-related products to preempt the hill!We tend to only look at the foreign bi big boys and ignore the gradual r
process unstructured data, but can only process digital information. However, in enterprises, there are still a large number of unstructured data such as text, streaming media, and images, these data also have a lot of value, but in the face of these data, the current bi tool is powerless. IBM intelligent miner for text is more reliable, but it seems very weak in Chinese processing.Bi vendors and products:
First, let's get to know big foreign people! Data warehouse: IBM DB2, Oracle, Sybase IQ,
string, and return the length of this string,and send this longest number string to one of the function parameters outputstr the memory.For example: When the first address of "abcd12345ed125ss123456789" is passed to Intputstr, the function returns 9,Outputstr refers to a value of 123456789
26. Left rotation string
Topic:Defines the left rotation of a string: moves several characters in front of the string to the end of the string.
If the string abcdef left rotation 2 bit to get the string cdefa
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