Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ===== Overview ===== Discussion of [[https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/building_running_and_managing_containers/|"Building, running, and managing containers"]] Look into: * Using the CRI-O Container Engine * OCI image format, OCI-compatible container engines * OpenShift * pods (OpenShift) * Create /etc/containers/nodocker to shut up info msg ===== Images ===== * ubi8/rhel * ubi8/rhel-minimal * ubi8/rhel-init * ubi8/rhel-rsyslog * ubi8/support-tools * ubi8/net-snmp ===== Packages ===== Installed (or to install): * podman (manage containers) * buildah (build OCI-compliant container images) * skopeo (copy images to and from registries) * podman-docker Dependencies: * runc (runtime client for OCI format containers) * containers-common * containernetworking-plugins * oci-systemd-hook * oci-umount * container-selinux * fuse-overlayfs * slirp4netns Modules: <code> $ dnf module info container-tools </code> ===== Concepts ===== OCI: Open Container Initiative ==== Use cases ==== * single-node * multi-node (sometimes called "distributed systems") ==== Core technologies ==== * cgroups * namespaces * SELinux ==== Commands ==== * podman * buildah * skopeo * runc ===== registries.conf ===== <code> # The only valid categories are: 'registries.search', 'registries.insecure', # and 'registries.block'. [registries.search] registries = ['registry.redhat.io', 'quay.io', 'docker.io'] # If you need to access insecure registries, add the registry's fully-qualified name. # An insecure registry is one that does not have a valid SSL certificate or only does HTTP. [registries.insecure] registries = [] # If you need to block pull access from a registry, uncomment the section below # and add the registries fully-qualified name. # # Docker only [registries.block] registries = [] </code> centos8_containers.txt Last modified: 2019/10/06 12:32by rpjday