Docker Engine Starting from version 1.12.0, Docker Swarm is integrated natively. The operation of the cluster can be directly controlled by the docker service command, which is very convenient and the operation process is greatly simplified. Docker Swarm For the average developer, the biggest advantage lies in the native support of the load balancing mechanism, […]
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Docker Import and Export Image Docker allows you to export the image to a local file. The export command is docker save. First, let’s look at the use of this command. [plain] view plain copy $ sudo docker save –help You can see that the docker save command is very simple to use, with a […] Docker requires a Linux kernel version of 3.8 or higher, you must check the kernel version of the host operating system before installation. Otherwise, if the kernel is lower than 3.8, Docker can be successfully installed, but after entering Docker, it will automatically exit. . 1. Download and install CentOS 6.9 CentOS 6 series, the […] Install Tomcat image Prepare the required jdk, tomcat and other software into the home directory, start a container docker run -t -i -v /home:/opt/data -name mk_tomcat Ubuntu /bin/bash This command mounts the local home directory to the /opt/data directory of the container. If the container directory does not exist, it will be automatically created. The […] Install of docker Lets remove all the unnecessary software on the machine yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine now we have to install dependancy software for Docker yum install -y yum-utils device-mapper-persistent-data lvm2 Let add a docker repo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo Enable the yum docker repo on the centos […] Note: If docker daemon does not start at boot, you might want to enable the docker service 1 systemctl enabledocker.service Here are the steps. Create the file /etc/systemd/system/docker_demo_container.service 1 2 3 4 5 6 7 8 9 10 11 [Unit] Wants=docker.service After=docker.service [Service] RemainAfterExit=yes ExecStart=/usr/bin/dockerstart my_container_name ExecStop=/usr/bin/dockerstop my_container_name [Install] WantedBy=multi-user.target Now I can start […] hostnamectl set-hostname clusterserver1.rmohan.com ifconfig -a vi /etc/selinux/config systemctl disable firewalld systemctl stop firewalld vi /etc/hosts yum install wget yum update yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo yum-config-manager –enable docker-ce-edge yum list docker-ce –showduplicates | sort -r yum install docker-ce systemctl […] Docker is an open-source tool that automates the deployment of applications inside software containers by providing an additional layer of abstraction of operating system level virtualization on Linux. Docker makes it easier to create, deploy and run applications by using containers. Containers allow a developer to package up an application with all of the libraries […] Kubernetes (commonly known as K8s) is an open source system for automatically deploying, extending, and managing containerized applications and is an “open source” version of Borg, Google’s internal tool. Kubernetes is currently recognized as the most advanced container cluster management tool. After the release of version 1.0, Kubernetes has been developing at a faster speed […] Docker Webshpere Step 1 docker websphere 1. docker pull ibmcom/websphere-traditional:8.5.5.12-profile 2. docker run –name websphere -h test -e UPDATE_HOSTNAME=true -p 9043:9043 -p 9443:9443 -d ibmcom/websphere-traditional:8.5.5.12-profile 3. docker exec websphere cat /tmp/PASSWORD 4. docker run –name test -h test -v $(pwd)/PASSWORD:/tmp/PASSWORD -p 9045:9043 -p 9445:9443 -d ibmcom/websphere-traditional:8.5.5.12-profile 5.websphere? https://172.10.21.30:9043/ibm/console/login.do?action=secure Install image The ibmcom/websphere-traditional:install Docker image contains […] |
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