Technology Sharing

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Centos uses nfs to configure a shared directory so that all container logs in the docker cluster are stored in a shared directory on the host for developers to access and view.

1. Prepare two or more Centosserver

   192.168.0.1  nfs服务器
   192.168.0.2  nfs客户端
   

2. As rootUser login 192.168.0.1Server, do the following

   注意先关闭防火墙；
   service firewalld stop
   systemctl disable firewalld
    
   # 1、安装nfs
   yum -y install nfs-utils rpcbind
      
   # 2、设置开机启动
   systemctl enable nfs.service
   systemctl enable rpcbind.service
      
   # 3、启动rpcbind和nfs
   systemctl restart nfs.service
   systemctl restart rpcbind.service
     
   # 4、编辑共享配置
   vi /etc/exports
     
   # 5、写入共享目录（根据实际情况修改，chmod 777 权限）
   /share *(rw,sync,no_root_squash)
     
   # 6、重新加载
   exportfs -rv
     
   # 7、查看本机共享的nfs目录
   showmount -e
   

   

3. As rootUser login 192.168.0.2Server, perform the following operations to mount the shared directory

   安装 nfs-utils
   yum install nfs-utils
    
   # 1、查看服务器发布的nfs目录
   showmount -e 192.168.0.1
     
   # 2、创建本地挂载目录（根据实际情况修改），chmod 777 权限
   mkdir -p /share
     
   # 3、挂载服务器目录
   mount -t nfs -o nolock 192.168.0.1:/share /share
   

   

4. docker -v mount to container

   docker run -v <宿主机路径>:<容器内路径> <其他选项> <镜像名>