35results about How to "Avoid duplicate installations" patented technology

The invention discloses a virtual machine mirror image generating method and a device based on software preinstallation in cloud environment. The virtual machine mirror image generating method and the device based on the software preinstallation in the cloud environment comprise that softwares which are uploaded by users are received and dependency of the uploaded softwares are checked, operating system configuration information which is submitted by the users is received and analyzed to obtain analysis results of the operating system configuration information. Basic environment which is necessary to install an operating system based on the software preinstallation technology is generated according to the analysis results of the operating system configuration information. A virtual machine start is started by using a virtual machine start configuration file in the generated environment and a monitoring progress is started at the same time. An operating system installation program is operated in the virtual machine and the operating system is installed in a non-interactive mode. Meanwhile, the monitoring progress judges whether the installation of the operating system is wrong or accomplished or not. When the installation of the operating system is wrong, the virtual machine is closed and temporary files in the basic environment are cleaned and internet protocol (IP) address is returned to an IP address pool. The virtual machine mirror image generating method and the device based on the software preinstallation in the cloud environment can solve defects of an existing manner, wherein the defects of the existing manner are insufficient in flexibility, low in speed, serious in source consumption and the like.

The invention provides a liquid level gauge in an inspection well. The power source and data storage device include a first connecting rod and a sealed waterproof part. One or more batteries and a data and power manager electrically connected to the batteries are arranged in the sealed waterproof part; The monitoring device includes a top support ring and a probe protection outer ring, the two are connected by a plurality of second connecting rods, the probe protection outer ring is provided with a side wall, and the top of the side wall is connected to the probe protection outer ring on one side thereof The top of the cavity is sealed and connected, and a cavity with a top seal and an open bottom and a through part are formed between the two. The top of the cavity is provided with data and power connections, and the interior is equipped with a contact liquid level alarm probe, an ultrasonic probe and Barometric temperature probe. The advantages of the present invention are: 1) the device is divided into a power supply, a data storage device and a monitoring device, without the need for downhole operation; 2) the cavity principle can be used to protect the probe; 3) the device can be realized in both submerged and non-submerged states Level measurement.

The invention provides a unified installing and rescue system and monitoring system of a switch operation system. The system comprises multiple switches, and an operation system operation platform respectively performing data communication with each switch, wherein the operation system operation platform comprises an installation program prefabrication module, an operation selection module, a loading module, and an execution module; the installation program prefabrication module programs a general installation program on a ROM chip operation selection module on a switch mainboard so as to turnon the switch; the BootLoader provides an operation interface of the operation system operation platform, so that the user can correspondingly select an installation system or rescue system or upgrade system or unloading system based on the switch; the user selection is loaded to the corresponding switch through the BootLoader; the execution module executes the corresponding operation of the userselection on the switch according to an operation way loaded on the switch.

The invention relates to a double-tool-cathode electrolytic grinding and milling machining system and a method for machining a complicated thin wall and belongs to the field of electrolytic machining and grinding machining. A double-connector transmission structure is installed at the tail end of a main shaft of an electrolytic grinding and milling machine tool; two tool cathodes are clamped on two connectors at the same time; the system is controlled to achieve multi-dimensional movement through movement of the machine tool; electrolyte reaches the machined surface of a workpiece through a centrifugal pump, a flow dividing tee joint and two external spraying heads; and shapes of the two sides of a complicated thin-wall structure can be machined and formed at a time. The method has quite important significance in improving machining precision, machining efficiency and machining flexibility of thin-wall structures of titanium alloy, high-temperature alloy and other materials difficult to machine.

The invention provides a combined display screen and an interface yield detection method. The combined display screen comprises at least two display panels, each display panel is provided with at least one splicing interface used for being electrically connected with other display panels in the combined display screen, each splicing interface comprises a plurality of connecting pins and a detection loop, and each detection loop is composed of a plurality of detection pins and detection wires. Wherein the plurality of connecting pins are used for being electrically connected with correspondingconnecting pins in splicing interfaces of other display panels, and a conductive loop does not exist among the plurality of connecting pins in the same splicing interface; Wherein the plurality of detection pins are in one-to-one correspondence with the plurality of connection pins, and each detection pin is arranged beside the corresponding connection pin and is electrically insulated from the connection pin; And the plurality of detection pins are connected through the detection wires to form a conductive loop, and the conductive loop is electrically insulated from the connection pins.