To generate this message, Docker took the following steps:ġ. This message shows that your installation appears to be working correctly. Status: Downloaded newer image for hello-world:latest Important: image verification is a tech preview feature and should not be relied on to provide security.ĭigest: sha256:aa03e5d0d5553b4c3473e89c8619cf79df368babd1.7.1cf5daeb82aab55838d Hello-world:latest: The image you are pulling has been verified. Unable to find image 'hello-world:latest' locally Verify docker is installed correctly by running a test image in a container. Make sure your existing yum packages are up-to-date. Log into your machine as a user with sudo or root privileges. This second method runs an installation script which also installs via the yum package manager. You can install using the yum package manager. There are two ways to install Docker Engine. Any reported kernel bugs may have already been fixed on the latest kernel packages. Please keep in mind that your system should be fully patched to fix any potential kernel bugs. To check your current kernel version, open a terminal and use uname -r to display your kernel version: $ uname -rįinally, it is recommended that you fully update your system. Also, your kernel must be 3.10 at minimum, which CentOS 7 runs. Prerequisitesĭocker requires a 64-bit installation regardless of your CentOS version. If you wish to install using CentOS-managed packages, consult your CentOS documentation. Using these packages ensures you get the latest release of Docker. This page instructs you to install using Docker-managed release packages and installation mechanisms. An installation on other binary compatible EL7 distributions such as Scientific Linux might succeed, but Docker does not test or support Docker on these distributions.
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