Abstract: An example virtualized computing system includes a host cluster having a virtualization layer executing on hardware platforms of hosts, the virtualization layer supporting execution of virtual machines (VMs), the VMs including pod VMs and native VMs, the pod VMs including container engines supporting execution of containers in the pod VMs, the native VMs including applications executing on guest operating systems; and an orchestration control plane integrated with the virtualization layer, the orchestration control plane including a master server having a pod VM controller to manage lifecycles of the pod VMs and a native VM controller to manage lifecycles of the native VMs.

Abstract: A lower receiver assembly of a rifle including a lower receiver having a magazine well formed thereon between a distal end and a proximal end, the lower receiver operable to receive a trigger assembly including a trigger, a hammer, and a firing pin. The lower receiver can include an operating rod retention tab coupled with an upper surface of the receiver and the operating rod retention tab extends above the upper surface and is operable to be received in a groove formed in a receiver of an upper receiver.

Abstract: Spherical projectiles may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth.

Abstract: A refrigerator has a cabinet. The cabinet has an opening therein to provide access to the cabinet. The opening is defined by a frame forming a face of the cabinet about the opening. The frame has a first face corner, a second face corner, a third face corner and a fourth corner; each face corner having a respective securing means thereon. A door has a first edge. A first recess is formed at an end portion of the first edge. A second recessed corner is disposed at a second end point of the first edge; away from the first corner. A first hinge is disposed in the first recess. A second hinge is disposed in the second recess. The door is hingedly affixed to the cabinet for selectively sealing the cabinet when the first hinge is affixed to one of the securing means of the first corner and the second corner, and the second hinge is affixed to one of the securing means of the second corner and third corner.

Abstract: An example virtualized computing system includes a host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts, the virtualization layer supporting execution of virtual machines (VMs), the VMs including pod VMs, the pod VMs including container engines supporting execution of containers in the pod VMs; and an orchestration control plane integrated with the virtualization layer, the orchestration control plane including a master server configured to manage the pod VMs and first VMs of the VMs. The virtualized computing system further includes a guest cluster executing in the first VMs and managed by the orchestration control plane, the guest cluster including a guest master server configured to, in cooperation with the master server, deploy first pods in the pod VMs.

Abstract: Container images are managed in a clustered container host system with a shared storage device. Hosts of the system include a virtualization software layer that supports execution of virtual machines (VMs) in the hosts, and one or more VMs have implemented therein a container engine that supports execution of containers within the respective VMs. Deploying a container in a first VM includes creating a virtual disk in the storage device, storing a container image in the virtual disk, mounting the virtual disk to the first VM, and updating a metadata cache to associate the container image to the virtual disk. Deploying the container in a second VM executed in a host different from a host in which the first VM is executed, includes checking the metadata cache to determine that the container image is stored in the virtual disk, and mounting the virtual disk to the second VM.

Abstract: An example method of determining operational health of a virtualized computing system includes: monitoring, at a service executing in the virtualized computing system, a current configuration of a software-defined data center (SDDC) with respect to a desired state, the desired state including: a host cluster having hosts executing a virtualization layer thereon; a software-defined (SD) network deployed in the host cluster; shared storage accessible by the host cluster; a virtual infrastructure (VI) control plane managing the host cluster, the SD network, and the shared storage; and an orchestration control plane integrated with the virtualization layer and the VI control plane; determining a configuration status for the current configuration of the SDDC; monitoring, at the service, operational status of an application management system executing on the SDDC having the current configuration; and determining at least one measure of the operational health in response to the configuration status and the operation

Abstract: An example method of checking compatibility of a guest cluster executing as a virtual extension of a host cluster having an orchestration control plane managing the guest cluster, the host cluster being part of a software defined data center (SDDC), is described.

Abstract: An example method of managing an application in a virtualized computing system that includes a cluster of hosts managed by a virtualization management server, the hosts including a virtualization layer executing on hardware platforms is described.

Abstract: A method for protecting against exposure to content violating a content policy, the method including receiving a number of content items including a first set of content items associated with a content group, determining a measurement associated with an amount of the first set of content items belonging to a specific content category, assigning one or more of the number of content items to be categorized by at least one of the machine learning algorithm or a manual review process, automatically applying the specific content category to one or more other content items of the content group such that the one or more other content items are not reviewed by the manual review process, and transmitting at least one of the number of content items, wherein the content category of each of the number of content items indicates whether the specific content item violates any content policies.

Abstract: An example virtualized computing system includes a host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts, the virtualization layer supporting execution of virtual machines (VMs), the VMs including pod VMs, the pod VMs including container engines supporting execution of containers in the pod VMs; and an orchestration control plane integrated with the virtualization layer, the orchestration control plane including a master server configured to manage the pod VMs and first VMs of the VMs. The virtualized computing system further includes a guest cluster executing in the first VMs and managed by the orchestration control plane, the guest cluster including a guest master server configured to, in cooperation with the master server, deploy first pods in the pod VMs.

Abstract: Embodiments disclosed herein are directed to negative pressure treatment systems and wound dressing systems, apparatuses, and methods that may be used for the treatment of wounds. In particular, some embodiments are directed to improved wound dressings comprising an obscuring layer that may hide fluid contained therein. Some embodiments may further comprise one or more viewing windows disposed therethrough so as to enable monitoring or examination of fluids contained therein.

Abstract: An aerial vehicle includes a body and an antenna assembly mounted to the body. The antenna assembly includes a fairing component comprising a hollow body, a conductive coating formed on at least an inner surface of the fairing component, a plurality of antenna elements formed in the conductive coating, each antenna element including a first slot line defining a first transmission line and a second slot line defining a second transmission line, an insulator sleeve disposed within the fairing component, wherein an outer surface of the insulator sleeve at least substantially matches an inner surface of the fairing component, and a plurality of cable assemblies operably coupled to the plurality of antenna elements, wherein each cable assembly is coupled to a respective antenna element.

Abstract: Spherical projectiles may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth.

Abstract: A virtualized computing system according to an example includes: a host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts, the virtualization layer supporting execution of virtual machines (VMs); a container image registry configured to manage container images for deploying containers in the host cluster; an orchestration control plane integrated with the virtualization layer, the orchestration control plane including a master server executing in a first VM of the VMs, the master server configured to manage image secrets based on accounts in the container image registry; and a guest cluster, managed by the orchestration control plane and executing in second VMs of the VMs, the guest cluster configured to receive the image secrets from the master server and access the container image registry using the image secrets.

Abstract: A lower receiver assembly of a rifle including a lower receiver having a magazine well formed thereon between a distal end and a proximal end, the lower receiver operable to receive a trigger assembly including a trigger, a hammer, and a firing pin. The lower receiver can include an operating rod retention tab coupled with an upper surface of the receiver and the operating rod retention tab extends above the upper surface and is operable to be received in a groove formed in a receiver of an upper receiver.

Abstract: An example virtualized computing system includes a host cluster having a virtualization layer executing on hardware platforms of hosts, the virtualization layer supporting execution of virtual machines (VMs), the VMs including pod VMs and native VMs, the pod VMs including container engines supporting execution of containers in the pod VMs, the native VMs including applications executing on guest operating systems; and an orchestration control plane integrated with the virtualization layer, the orchestration control plane including a master server having a pod VM controller to manage lifecycles of the pod VMs and a native VM controller to manage lifecycles of the native VMs.

Abstract: A method for the manufacture of a high alumina hydraulic binder comprising hydrating a source of aluminium ions with a source of calcium ions in the presence of water to form mineral hydrates and subsequently heating said mineral hydrates to form said high alumina hydraulic binder.

Abstract: A method for processing water treatment residuals, or other amorphous aluminium oxide or aluminium hydroxide rich waste residuals, for use in the manufacture of hydraulic binders, comprising heating the residuals to remove water and oxidise organic material contained therein, comprising controlling the temperature of the residuals during heating such that they are heated to a temperature no higher than 800° C., more preferably no higher than 650° C., to ensure that aluminium compounds in the WTR, in particular aluminium oxide and aluminium hydroxide, remain in an amorphous state. The method may comprise controlling the temperature of the water treatment residuals such that they are heated to a temperature between 350° C. and 650° C., more preferably between 400° C. and 500° C.

Abstract: A container image registry is managed in a virtualized computing system. The container image registry manages container images for deploying containers in a host cluster, the host cluster includes hosts and a virtualization layer executing on hardware platforms of the hosts, and the virtualization layer supports execution of virtual machines (VMs). The method includes: creating a namespace for an orchestration control plane integrated with the virtualization layer, the namespace including constraints for deploying workloads in the VMs; invoking, by a registry service in response to creation of the namespace, a management application programming interface (API) of the container image registry to create a project for the container images; and invoking, by the registry service, the management API of the container image registry to both add members to the project, and assign image registry roles to the members, in response to bindings of users and namespace roles derived from the constraints.