Requires ping and ip on the machine, on Debian these are found in the apt packages inetutils-ping and iproute. Move the shell to the master server 'k8s-master' and run the command below to set up the kubernetes master. In this step, we will initialize the kubernetes master cluster configuration. Use an entrypoint file to create an entry in /etc/hosts to point to the host. Step 2 - Kubernetes Cluster Initialization. Docker Swarm mode is the native part of Docker engine. # allow users to access docker by adding them to the docker group How to Install and Configure Docker Swarm Mode on CentOS 7 / RHEL 7 Last Updated: Februby Pradeep Kumar Docker Swarm mode is a container’s orchestration and clustering tool for managing Docker host. # any ports on the host you want to access from the containers (strapi port 1337 here)įirewall-cmd -permanent -zone=trusted -add-port=1337/tcpĬreate a group named “docker” and add any users that are allowed to create containers. # trust the docker interfaceįirewall-cmd -permanent -zone=trusted -change-interface=docker0įirewall-cmd -permanent -direct -add-rule ipv4 filter INPUT 4 -i docker0 -j ACCEPT Restart firewalld to pick up the changes. Update firewalld to allow host/container traffic. yum install -y yum-utils device-mapper-persistent-data lvm2 Install Docker-CE (not just “docker) to get the latest version on CentOS.
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