docker container security

Installation Environment: Both the Docker container and the host are CentOS 7.3 versions Install LVS Load balancer in the CentOS Docker container (a) Ipvsadm has said a problem with the container installation Ipvsadm. This is also a similar issue, in the

Host: Xubuntu 15.04 + Docker Enter terminal, sudo-i, switch root, input docker-d Open another terminal, switch root, enter the Docker search Ubuntu, probably the following result: NAME DESCRIPTION STARS Official automatedUbuntu Ubuntu is a debian-based Linux operating s ... 2306 [OK]Ubuntu-upstart Upstart is a event-based replacement for ... [OK]Torusw

Use Docker ps-a to view the ID of the container, as shown below [Root@localhost ~]# Docker PS CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c5a5dd0a5448 Liushunqiu/nc_ubuntu "/bin/bash" 8 seconds ago up 7 seconds Determined_brown 64fc0c0fd2c7 Registry "/entrypoint.sh/etc/" hours ago up hours 0.0.0.0:80->500

As the current most popular application, Docker does exist in its unique, whether the program ape or Yun-dimensional should have heard of Docker's name, Docker has gone through a lot of pits, the latest version is the v1.11.0 version, it should be said to be fully capable of carrying the development and operation of monitoring, This tool helps us to efficiently package, publish, and run

Let's say you made a docker image of Hadoop, which is called hd_image, and if you want to access Hadoop's 50070 and 8088 ports in a browser on an external network, when you start mirroring hd_image,The script is as follows:50070 8088 --name bbbbb hd_image--name bbbbb, indicating that the name of this container is bbbbb.-H AAAAA, which indicates that the host name in the

1. The Docker container and the system time are inconsistent because the Docker container has a native time zone of 0 time zones, while the domestic system is in the East eight zone.2. There is also a eight-hour time difference between the log time played by the Java application running in the

Docker containerThe Docker drawback is that the container is deleted, all the data in the container is deleted,So for the long-term preservation of data requires an external data volume, or data containerAccording to my understanding ... is to attach a directory on the physical machine to the

1. Simple topology diagramIf the Pingdocker container is ping different at this time because there is no route to the 192.168.1.0/24 network on the host, the host has the opportunity to send the data destined for the 192.168.1.0/24 network to the default route so that the container cannot be reached.2. Workaround:1. First of all ensure that the virtual machine can be connected to the

Mount, back up, and restore data.To create a centralized volume group:Docker run--name dbdata-v/dbdata centos7:file Echo " data-only container for MySQL. " Mount using:Docker Run-rt--volumes-from dbdata Centos7:tar/bin/bashCd/dbdataTouch AA bb cc DB3:AABackup:[email protected] backup]# Docker run--name backup-file-d--volumes-from dbdata-v/backup:/backup Centos7:tar tar cvf /backup/$ (date +%m%d-) backup.tar

Docker Network Management – Container interconnect--link usageDownload a MySQL imageDocker pull MySQLCreate a new container 1, named DBDocker run-it-d-P 13306:3306--name db MySQL BashIn a new Web container 2, and the DB interconnectDocker run-it-d-P 12308:80--name web--link db:db centos-httpd BashRun the ENV command on

portainer Deployment monitoring Tools official Address: Https://github.com/portainer/portainerDeployment Method: https://portainer.readthedocs.io/en/latest/deployment.htmlMethod 1 , local container-based deployment "recommended"in 192.168.2.29 This host is an example. first you need to open Docker of the 2375 PortVi/etc/sysconfig/docker Add onCENTOS6 under Use o