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 combined display screen and interface yield detection method. The combined display screen includes at least two display panels, each of which has at least one splicing interface for electrical connection with other display panels in the combined display screen, and the splicing interface includes a plurality of connecting pins and a detection loop, the detection loop is composed of a plurality of detection pins and detection wiring; wherein, the plurality of connection pins are used to electrically connect with the corresponding connection pins in the splicing interface of other display panels, the same There is no conductive loop between the multiple connection pins in the splicing interface; the multiple detection pins are in one-to-one correspondence with the multiple connection pins, and each detection pin is arranged next to its corresponding connection pin, And it is electrically insulated from the connection pin; the plurality of detection pins are connected through the detection wiring to form a conductive loop, and the conductive loop is electrically insulated from the connection pin.

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 relates to an anti-shielding metal cable fixing head and an assembly shielding sealing method. By the anti-shielding metal cable fixing head and the assembly shielding sealing method, a cable can be fixed with a case effectively, the cable and the case can be sealed effectively, simply and conveniently, the time and the labor are saved, a dustproof and waterproof effect can be achieved directly, an in-built piece can be prevented from being separated from a main body, an O-shaped ring between the in-built piece and the main body can be prevented from sliding downwards, and a cable wire can be shielded and guided. The anti-shielding metal cable fixing head comprises a hexagon nut, the O-shaped ring, the main body, the in-built piece, a waterproof ring and a tightening nut, and is characterized in that a closed film is arranged on a surface of an opening of the waterproof ring; an annular groove is formed in the outside of the waterproof ring and is matched with a lug boss on the in-built piece; a triangular spring is arranged in the main body; an arc lug boss on the in-built piece is matched with an arc groove in the main body; and the O-shaped ring is arranged between the in-built ring and the main body.

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.

An anti-dumping mechanical device and method for an inner suspension stay wire holding a pole, mainly including a trigger mechanism and an anti-dumping mechanism; the trigger mechanism includes a trigger box, the trigger box is installed on the pole, and a channel is arranged in the trigger box, and the middle of the channel is low, The outer side is high, the channel is located at the lower part to install the trigger ball, and the channel is located at the higher end to install the groove, and the pressure sensor is installed in the groove; the anti-dumping mechanism includes multiple supports, each supporting the upper part and the longitudinal beam holding the pole The first electromagnet and the second electromagnet are installed on the hinged and lower part; when the first electromagnet is powered on and the second electromagnet is powered off, the first electromagnet is adsorbed and fixed to the pole; when the first electromagnet is powered off, the second electromagnet When the electromagnet is energized, the strong spring will expand the support and push it against the iron tower. The invention provides an anti-dumping mechanical device and method for an inner suspension stay wire holding rod, which prevents the inner suspension stay wire holding rod from tipping over, ensures that the tower body is not damaged, and construction personnel are not injured.

The embodiment of the application discloses the installation method, device, computer equipment and storage medium of Nginx software. The method generates an installation directory according to the application server identification in the installation request after receiving the installation request; configures the monitoring port number of the Nginx software, and the monitoring port number of the Nginx software is different from the monitoring port numbers of all Nginx software in the Nginx server; The pre-stored installation package template of the Nginx software, and update the configuration file in the pre-stored installation package template according to the installation directory and the listening port number to form an installation package; obtain the directory of the static class files of the standard Nginx software in the Nginx server, and according to the standard Nginx software. The directory of the static class file generates a directory soft link instruction; generates an installation script according to the installation directory and the directory soft link instruction, and sends the installation script and the installation package to the Nginx server, so that the Nginx server completes the installation of the Nginx software. This method can realize installing multiple Nginx software in the Nginx server, and improves the resource utilization rate of the Nginx server.

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.