free kubernetes cluster

Create an App[[email protected] ~]# kubectl run nginx--replicas=3 --labels="app=nginx-example" --image=nginx:1.10 --port=Replicas: 3 copies, default 1 Labels: identity recognition attribute, Image: Download from hub by defaultView Apps[Email protected] ~]# KubectlGetAll NAME ' ready STATUS ' restarts age pod/nginx-f95d765f9-bxgv90/1Containercreating02m pod/nginx-f95d765f9-pdq4x0/1Containercreating02m pod/nginx-f95d765f9-znxw20/1Containercreating02m NAME TYPE

: containers: -name:kube-tomcat image:docker.io/chenyufeng/tomcat-centos imagepullpolicy:always ports: -containerport:8080 nbSp;protocol:tcp args: # uncomment the following line to manually specify Kubernetes API server Host NBSP;NBSP;NBSP;N bsp;# If not specified, Dashboard'll attempt to auto discover the API server and con Nect # to it. Uncomment only if the default is does not work. ---apiserver-host=http://47.97.90.38:8080## Please revise for

Apiversion:v1Kind:replicationcontrollerMetadataName:mywebSpec: //spec is a concrete description of the RC object Replicas: 5SelectorApp:mywebTemplateMetadataLabels://selector, used to select the object'sApp:myweb//I chose the pod labeled App:myweb. Spec: //specific description of the pod template containers: -image:kubeguide/tomcat-app:v1 16 name:myweb /span> resources: Limits:

, theauthorized_keys file appears under SSH. 5. Then copy the Authorized_keys file under the. SSH directory of the first machine to the. SSH directory of the second computer, such as: SCP Authorized_keys [Email protected]:~/.ssh/6. Next to the. SSH directory of the second machine, you will find the file-authorized_keys just transferred, and then execute the command to add the second computer's public key, such as: Cat Id-rsa.pub >> Authorized_keys.7. Transfer the newly generated authorized_keys

Tags: image share picture Mangodb renaming learn Post blog nbsp clickMongoDB Atlas is a cloud service for MongoDB, built on Amazon's AWS, MongoDB allows users to create a free cluster on top for learning to use.1. Sign up for MongoDB Cloud account: Access www.mongodb.com/cloud/, click Get Start Free2. Give the project a name after registration (support renaming)3. Create a new

Tags: ssh directory gen key cat did not create a public key download installationFirst detect if there is SSH1. If you do not have the download installed, you can create the. ssh folder in your home directorymkdir ~/.ssh2. Generate keySSH-KEYGEN-T RSA3. Write the current public key to the Authorized_keysCat Id-rsa.pub >> Authorized_keys4. After writing, copy the Authorized_keys to the next computer's ~/.ssh folder to overwrite5. Connect to the next computer write the public key of the next compu

CentOS cluster ssh password-free login configuration 1. Update the Hosts file Update the cluster node/etc/hosts file to ensure that all machines can access each other through hostname. 2. ssh Initialization Configuration [Plain] view plaincopy # Ssh-keygen-trsa-f/root/. ssh/id_rsa-P'' # Cat/root/. ssh/id_rsa.pub>/root/. ssh/authorized_keys # Sed's @ session \

assumption that SSH does not exist then it is not installed server through the sudo apt-get install openssh-server command installation can beSixth step: Solve Agent admitted failure to sign using the keyAssuming this error occurs, you need to run Ssh-add ~/.ssh/id_rsa on all nodes to add SSH to the private key. At this point, you are done. You should be able to use SSH masternode/slavenode1/slavenode2 to avoid password with each other on a random machine!!!Copyright notice: This article Bo Mas

are appended to the Authorized_keys file, so masternode authorized_keys files contain the public key of all nodes:cat ~/.ssh/temp1 >> ~/.ssh/authorized_keyscat ~/.ssh/temp2 >> ~/.ssh/authorized_keysRM ~/.ssh/temp1RM ~/.ssh/temp2Distribute the merged Authorized_keys files to each node in the Masternode:SCP ~/.ssh/authorized_keys slavenode1:~/.ssh/SCP ~/.ssh/authorized_keys slavenode2:~/.ssh/Fourth Step: All system configuration/etc/ssh/sshd_config file, make the system use public key authenticat