{"id":7932,"date":"2020-03-23T16:18:31","date_gmt":"2020-03-23T08:18:31","guid":{"rendered":"http:\/\/rmohan.com\/?p=7932"},"modified":"2020-03-23T16:18:42","modified_gmt":"2020-03-23T08:18:42","slug":"docker-install-centos7","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=7932","title":{"rendered":"DOCKER INSTALL CENTOS7"},"content":{"rendered":"\n

CentOS 7 non-root users install source version of Docker<\/p>\n\n\n\n

  1. Check if the current host has a docker group<\/li><\/ol>\n\n\n\n

    cat \/etc\/group | grep docker <\/p>\n\n\n\n

    sudo groupadd docker <\/p>\n\n\n\n

    cat \/etc\/group | grep docker <\/p>\n\n\n\n

    useradd test <\/p>\n\n\n\n

    cat \/etc\/passwd | grep dev01 <\/p>\n\n\n\n

    Add sudo permissions for new users<\/p>\n\n\n\n

    vi \/etc\/sudoers
    \n??Add on line 92 next line
    \n??dev01 ALL = (ALL) ALL<\/p>\n\n\n\n

    1. Add the current user to the docker group (at this time the user has not joined the docker group)<\/li><\/ol>\n\n\n\n

      gpasswd -a admin docker <\/p>\n\n\n\n

      \nhttps:\/\/download.docker.com\/linux\/static\/stable\/x86_64\/docker-19.03.7.tgz\n<\/div><\/figure>\n\n\n\n

      mkdir \/docker <\/p>\n\n\n\n

      tar -zxvf docker-19.03.7.tgz -C \/docker <\/p>\n\n\n\n

      cp docker\/* \/usr\/bin\/<\/p>\n\n\n\n

      chown root:docker \/usr\/bin\/docker*
      \n chown root:docker \/usr\/bin\/containerd*
      \n chown root:docker \/usr\/bin\/runc
      \n chown root:docker \/usr\/bin\/ctr<\/p>\n\n\n\n

      ll \/usr\/bin\/ | grep docker <\/p>\n\n\n\n

      vi \/etc\/systemd\/system\/docker.service<\/p>\n\n\n\n

      [Unit]
      \nDescription=Docker Application Container Engine
      \nDocumentation=https:\/\/docs.docker.com
      \nAfter=network-online.target firewalld.service
      \nWants=network-online.target<\/p>\n\n\n\n

      [Service]
      \nType=notify
      \nExecStart=\/usr\/bin\/dockerd
      \nExecReload=\/bin\/kill -s HUP $MAINPID
      \nLimitNOFILE=infinity
      \nLimitNPROC=infinity
      \nLimitCORE=infinity
      \nTimeoutStartSec=0
      \nDelegate=yes
      \nKillMode=process
      \nRestart=on-failure
      \nStartLimitBurst=3
      \nStartLimitInterval=60s<\/p>\n\n\n\n

      [Install]
      \nWantedBy=multi-user.target<\/p>\n\n\n\n

      chmod a+x \/etc\/systemd\/system\/docker.service
      \nsystemctl daemon-reload <\/p>\n\n\n\n

      vi \/etc\/docker\/daemon.json <\/p>\n\n\n\n

      {
      \n“registry-mirrors”: [“http:\/\/hub-mirror.rmohan.com”]
      \n}<\/p>\n\n\n\n

      systemctl start docker<\/p>\n\n\n\n

      docker basic commands<\/p>\n\n\n\n

      docker start \/ stop \/ restart \/ view the status
      \nsudo systemctl start \/ stop \/ restart \/ status <\/p>\n\n\n\n

      View docker has been mirrored
      \ndocker images <\/p>\n\n\n\n

      in the docker’s official website searches for the specified mirror
      \ndocker search image <\/p>\n\n\n\n

      Download image (without labeling the default download the latest version of the image)
      \ndocker pull Mirror Name: tag (ie tag) <\/p>\n\n\n\n

      Start the container (run the image-based container with the name xxx, and map the container port to the local port, and the container directory file is stored in the local directory) <\/p>\n\n\n\n

      docker run -d -name xxx -p Local port: Container port -v native directory: container directory image name: tag (or ID) <\/p>\n\n\n\n

      into the running container <\/p>\n\n\n\n

      docker exec -it container name (or ID) \/ bin \/ bash <\/p>\n\n\n\n

      container start \/ stop \/ restart \/ information \/ delete <\/p>\n\n\n\n

      docker start \/ stop \/ restart \/ inspect \/ rm container name (or ID) <\/p>\n\n\n\n

      view running containers <\/p>\n\n\n\n

      docker ps <\/p>\n\n\n\n

      view all containers (including running, stopped, not including deleted) <\/p>\n\n\n\n

      docker ps -a <\/p>\n\n\n\n

      image deletion (before deleting the image Please delete all containers related to this image) <\/p>\n\n\n\n

      docker rmi image name: tag (or ID) <\/p>\n\n\n\n

      view information about currently installed docker <\/p>\n\n\n\n

      docker info<\/p>\n\n\n\n

      yum install -y yum-utils device-mapper-persistent-data lvm2<\/p>\n\n\n\n

      yum-config-manager –add-repo https:\/\/mirrors.aliyun.com\/docker-ce\/linux\/centos\/docker-ce.repo <\/p>\n\n\n\n

      yum install docker-ce<\/p>\n\n\n\n

      systemctl enable docker<\/p>\n\n\n\n

      systemctl start docker <\/p>\n\n\n\n

      groupadd docker<\/p>\n\n\n\n

      usermod -aG docker $USER<\/p>\n\n\n\n

      docker volume create portainer_data<\/p>\n\n\n\n

      docker run -d -p 9000:9000 -v \/var\/run\/docker.sock:\/var\/run\/docker.sock -v portainer_data:\/data portainer\/portainer<\/p>\n\n\n\n

      Docker common commands
      \ndocker ps -view all containers currently running -a display including stopped containers<\/p>\n\n\n\n

      docker pull -pull images<\/p>\n\n\n\n

      docker rmi -After deleting the image, you can match it directly based on the image name or the first letter of the tag<\/p>\n\n\n\n

      docker start container_id- open container (here can be container id or name)<\/p>\n\n\n\n

      docker stop container_id -stop container (here can be container id or name)<\/p>\n\n\n\n

      docker rm -delete a container (only stopped containers can be deleted)<\/p>\n\n\n\n

      docker build -create images using Dockerfile<\/p>\n\n\n\n

      docker exec -execute commands in the container, for example: docker exec -it container_id (container name or id) \/ bin \/ bash (bin \/ bash command or tool to execute)<\/p>\n\n\n\n

      docker logs –View container logs, for example: docker logs -f -t –tail 10 container_id (container name or id) <\/p>\n\n\n\n

      Run the container<\/p>\n\n\n\n

      docker run -it –rm -p 8000:80 –name aspnet_sample microsoft\/dotnet__<\/p>\n\n\n\n

      –name container name, followed by mirror path or name<\/p>\n\n\n\n

      –rm delete the container after running <\/p>\n\n\n\n

      -p port mapping 8000 external port 80 mirroring running port mapping 8000 to 80 mirroring<\/p>\n\n\n\n

      -it outputs the contents of the container command line, that is, the container’s own program output is a bit similar to the foreground run in the console<\/p>\n\n\n\n

      -d Contrary to it Hide background run<\/p>\n","protected":false},"excerpt":{"rendered":"\n

      CentOS 7 non-root users install source version of Docker<\/p>\n

      Check if the current host has a docker group <\/p>\n

      cat \/etc\/group | grep docker <\/p>\n

      sudo groupadd docker <\/p>\n

      cat \/etc\/group | grep docker <\/p>\n

      useradd test <\/p>\n

      cat \/etc\/passwd | grep dev01 <\/p>\n

      Add sudo permissions for new users<\/p>\n

      vi \/etc\/sudoers ??Add on line […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7932"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7932"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7932\/revisions"}],"predecessor-version":[{"id":7933,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7932\/revisions\/7933"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}