97 results about "Device file" patented technology

The invention discloses a data governance method and system based on artificial intelligence, and relates to the technical field of data governance, and the method comprises the steps: effectively improving the recognition capability of structural abnormal behaviors in a device file through introducing an abnormal track extraction mechanism combining image enhancement and cuckoo search, and improving the recognition efficiency. The method combines an isolated forest model optimized by a genetic algorithm, achieves the high-confidence screening of candidate abnormal data, remarkably improves the accuracy and robustness of anomaly detection, and achieves the recognition of a redundant entity through the construction of a semantic conflict graph and the introduction of a graph matching network. The problem that in a traditional method, the field similarity is insufficient to support complex conflict judgment is effectively solved, finally, a standard equipment file is generated through a field-level fusion strategy, a governance evolution graph is synchronously updated, a complete closed loop from discovery, evaluation and fusion to optimization is formed, automation, intelligentization and self-adaptive evolution of equipment master data governance are achieved, and the efficiency is improved. And the consistency, availability and governance efficiency of the equipment data are remarkably improved.

The invention discloses a development machine GPU resource dynamic regulation and control method, a computer device and a medium, and the method comprises the steps: responding to a development machine creation request, creating a user-defined resource object containing development machine configuration information, creating a target Pod in a Kubernetes cluster, determining a to-be-scheduled target GPU node, obtaining the GPU application number of the to-be-scheduled target GPU node, and then determining a target physical GPU, creating a virtual GPU device file on the host, and establishing a soft link between the virtual GPU device file and the target physical GPU; after the creation is completed, starting a development machine container and mounting the virtual GPU equipment file into the container; when it is monitored that the container GPU resource idle information meets the preset idle condition, the soft link is released, and the real GPU state is updated to be idle. According to the method, container mirror images and original K8s deployment logic do not need to be modified, sharing and multiplexing of GPU resources among multi-container development machines are supported, and the GPU resource utilization rate is remarkably increased.

The invention provides a file sharing method and device and a storage medium, relates to the technical field of terminals and can be applied to a system comprising a first electronic device, a second electronic device and a third electronic device, the first electronic device is connected with the second electronic device and the third electronic device, and the method comprises the steps that the first electronic device displays a first window, the first window displays the screen content of the second electronic equipment, and the screen content of the second electronic equipment comprises the first file; and when the first file is dragged from the first window to a screen effective area of the third electronic equipment, the third electronic equipment displays the first file in response to a dragging and releasing operation on the first file. According to the method, the first file locally stored in the second electronic equipment is dragged to the third electronic equipment to be displayed through the first electronic equipment, and cross-equipment file sharing in a screen collaboration scene can be rapidly and efficiently achieved.

The invention discloses a file transmission method, a computer readable medium and equipment, the file transmission method is applied to file synchronization equipment, preset password bytes are pre-stored in the file synchronization equipment, a file to be transmitted is sliced, and a sliced file set is generated; performing Hash calculation on each slice file in the slice file set to generate a first Hash value set, the Hash calculation of the slice files including embedding preset password bytes in file data; sending the first hash set to another file synchronization device; and sending the slice files in the slice file set to another file synchronization device through multi-thread concurrent transmission, so that the other file synchronization device performs hash verification on the slice files in combination with pre-stored preset password bytes, and when the verified hash value set is matched with the corresponding hash value in the first hash value set, transmission succeeds. Otherwise, triggering a retransmission request of the corresponding slice. According to the transmission method disclosed by the invention, double improvement of safety and reliability is realized.

The invention provides an improved scheme of a fuzzy testing system of a Linux operating system. According to the scheme, fuzzy testing is guided by integrating device attributes, driving attributes and topological relations among devices. Specifically, a new syzlang description is generated by deeply analyzing a Linux kernel source code, so that a test case can introduce modification operation of equipment and drive attributes. Meanwhile, according to the scheme, the depth and the breadth of the fuzzy test are improved based on the corresponding relation between the equipment attribute file and the equipment file, so that the behavior of the kernel driver is more effectively explored. In addition, according to the scheme, concurrent testing is guided through the topological relation between the devices, testing cases related to device attributes and drive attributes are increased, the testing efficiency is further improved, the coverage rate of fuzzy testing is increased, and finally the testing process can reveal vulnerabilities caused by memory errors of a kernel of the Linux operating system in different states.

The invention provides a system starting method, device and equipment, and the method can comprise the steps: responding to a starting instruction of a target system, and loading a starting file system to a memory of the target system; creating a block device file, and determining a virtual block device corresponding to the block device file; creating a target mapping relationship among the virtual block device, a memory and a startup file system, and mounting a block device file under a target directory of a target system; and accessing the starting file system in the memory through the virtual block device, and starting the target system through the starting file system. The efficiency of starting the target system in the electronic equipment is improved.

The invention discloses a device file scanning method and system, a vehicle machine and a storage medium, and the method comprises the steps: obtaining UUIDs of internal and external storage devices, determining whether a database corresponding to the UUID exists in the vehicle machine according to the UUID, and if the database corresponding to the UUID does not exist in the vehicle machine, establishing the database corresponding to the UUID; scanning all equipment files of the internal and external storage equipment, determining a retrieval instruction of a user, and performing retrieval in all the equipment files according to the retrieval instruction to obtain a target file; and storing the target file in a database corresponding to the UUID for a user to use the target file. By acquiring the UUID, checking the existence of the database, establishing the database, scanning the equipment file, and retrieving and storing the target file according to the instruction, the file information is extracted in advance for classified storage, and the database is directly queried, so that the speed of accessing the internal and external storage equipment file by the user is greatly improved.

The invention belongs to the technical field of archive management, and particularly relates to a coal mine grassroots archive management system and method.The management system comprises an employee archive collection module, an equipment archive collection module, an association mapping module, an early warning module, a storage module and a management module; a bidirectional association mapping relation is established between employee archive data and equipment archive data through the association mapping module, man-machine interaction in a specific time period is realized, a unique indexable digital link in the specific time period is created, an information island between equipment and employees is broken, and the efficiency of the equipment is improved. An administrator can quickly perform historical tracing work, and unprecedented efficiency and support are provided for accident investigation, responsibility definition and efficiency analysis; and moreover, the equipment and the employees are bidirectionally associated, so that equipment faults, accidents and efficiency can be positioned to individuals, and the responsibility of the employees in operating the equipment is effectively enhanced.

The invention discloses a file manager of an electronic whiteboard, which can access and manage files on other electronic whiteboard equipment in a cross-equipment manner and improve the file management efficiency. The file manager of the electronic whiteboard comprises an access protocol module, an interface display module, an authority management module and a data management module; the access protocol module adopts a self-defined cross-device file access protocol, and the protocol is based on a network communication principle, realizes identification and is connected to other electronic whiteboards in the same network; the interface display module is used for displaying a user interface, providing a file list and icons and supporting operations of dragging, copying and moving files; the authority management module provides an authority management function and supports users to set different access authorities for different electronic whiteboards or users; the data management module adopts a real-time synchronization algorithm and provides a file backup function; the real-time synchronization algorithm realizes real-time synchronous updating of the file between different electronic whiteboards, and the file backup function backs up the file selected by the user to a specified position.

The invention belongs to the technical field of enterprise information security, and discloses a technical method for a company device to automatically back up and clear sensitive information files according to a list, which comprises the following specific steps of: 1, dynamically monitoring the list, deploying a lightweight monitoring execution engine by a terminal, and monitoring an interface through a system-level file; the change of a list file of a specified directory of the desktop is detected in real time, the monitoring parameter is set as polling once per second, and the analysis engine is triggered after the size of the file is detected to be unchanged for 2 seconds; an automatic closed loop of millisecond-level response is constructed through an Excel list driving engine, desktop list changes are captured in real time through an operating system-level monitoring interface, thousand-row-level Excel analysis (precisely extracting A-column paths / B-column instructions) is completed within 60 seconds, follow-up operation is automatically triggered, and therefore the file processing time of a single device is shortened to be within 5 minutes, and the file processing efficiency is improved. The misoperation rate is reduced to 0.1% or below, and response lag and errors caused by human factors are thoroughly eliminated.

The invention discloses an automobile cross-node communication method and an automobile cross-node communication device, which are applied to a home terminal equipment node which communicates with an opposite terminal equipment node through a DSM function expanded by a FastDDS in an automobile, and due to the fact that DSM based on PCIe has lower delay and higher bandwidth, the real-time performance can be improved. After a DSM function is introduced, when cross-node communication is carried out for the first time, only a target home terminal device file needs to be opened, DSM red-black tree information corresponding to the target home terminal device file is obtained from a kernel layer of an opposite terminal device node in a remote process access (RPC) mode, and then a home terminal physical address in the DSM red-black tree information serves as an opposite terminal physical address; the corresponding space of the opposite-end physical address in the PCIe BAR space of the kernel layer of the opposite-end equipment node can be accessed without additional protocol conversion and routing management, so that the cross-node communication becomes very simple, and the complexity is reduced.

The embodiment of the invention provides a sharing method and device, and relates to the technical field of communication. The method can be applied to a first device, the first device can obtain a target image, the target image comprises a display picture when a second device displays a target file, the target image comprises target information, and the target information is used for the first device to obtain the target file. The first device can also extract the target information from the target image and obtain the target file according to the target information. Wherein the second device can be used as a sharing device, and the first device can be used as a shared device. In a scene that one file is shared to multiple persons, the shared user can acquire the target file according to the target information in the target image only by utilizing own equipment to acquire the target image. The cross-device file transmission efficiency can be effectively improved, so that the operation efficiency and the use experience of a user are improved.

The application discloses an image processing method, device and storage medium, comprising: writing first screen image data corresponding to a screen displayed picture into a device file arranged in an operating system, wherein the device file corresponds to a system camera associated with a first application program, wherein the first application program is used for converting two-dimensional displayed image data into three-dimensional displayed image data; and reading the first screen image data from the device file via the operating system by using the first application program, and converting the first screen image data into second screen image data used for three-dimensional display. Thus, the technical effect of 3D real-time conversion of third-party application content is achieved.

The invention provides a file synchronous playing method, system and device, a storage medium and a program product, and the method comprises the steps: obtaining a target device file corresponding to each data device in a plurality of data devices of different types according to a first playing request instruction, and carrying out the timestamp alignment processing of data frames of a plurality of target device files, the plurality of files to be played comprise communication bus files, and data frames in different files to be played in the plurality of files to be played are synchronized according to generation timestamps; a plurality of to-be-played files are sent to a file receiving device, the file receiving device is used for synchronously sending data frames which are from a plurality of data devices and have different types but the same timestamp in the plurality of to-be-played files to a playing device, and the playing device is used for performing multi-channel synchronous playing on the plurality of data frames with the same timestamp. The synchronism of various types of data is ensured, the accuracy of vehicle scene reconstruction is improved, and the vehicle data analysis effect is ensured.

The application discloses an intelligent file uploading method, device and system, the method is applied to a file uploading device, the file uploading device comprises a first information processing end and a second information processing end, and the method comprises the following steps: the first information processing end determines file descriptor information and target device address information of a to-be-uploaded file; the second information processing end determines a file content mapping result according to the file descriptor information, performs block reading and writing to a data cache area on the file content mapping result, performs data reading and uploading on the block data in the data cache area according to the target device address information, and obtains a file uploading result. It can be seen that the application can improve the comprehensiveness and integrity, rationality and feasibility of the file uploading mode, reads, writes and uploads according to blocks, avoids loading all large files into the memory at once, improves the efficiency, stability and accuracy of file transmission and uploading, and improves the accuracy and reliability of the uploaded files.

The invention discloses a standardized access and detection system for auxiliary control equipment of a transformer substation, and relates to the field of transformer substations. Comprising a multi-protocol adaptation layer which constructs a protocol state machine and supports dynamic analysis and conversion of DL / T860 and MQTT protocols; performing model difference quantification, designing a double-similarity algorithm, and outputting a model compatibility scoring report; containerized simulation clusters, deployment of equipment simulators based on Docker and support of thousand-level equipment concurrent testing are carried out, and in model difference quantification, a verification process comprises the steps of analyzing equipment ICD files and extracting a model field list; and loading the MICS document of the corresponding equipment from the standard model library. According to the method, the protocol state machine is constructed, then compatibility scoring is performed based on double-similarity calculation, so that the compatibility verification efficiency can be improved, in addition, an analysis quintuple is set in the protocol adaptation layer, the analysis speed is increased, finally resource allocation and data generation simulation are performed through the simulator, and access whole-process automatic testing is realized.

The invention relates to an equipment control method and device, electronic equipment, a storage medium and a product. The method comprises the following steps: executing a target system file for starting the electronic equipment; under the condition that execution of the target system file fails, sequentially executing at least two preset backup files stored in a preset file set until the electronic equipment is successfully started or all the preset backup files in the file set are executed; wherein the preset backup file is a backup of a system file used when the electronic equipment is successfully started at the historical moment. Through the method disclosed by the invention, the electronic equipment can be tried to be started for multiple times based on the at least two preset backup files in the file set, so that the probability of successful startup of the electronic equipment is improved.

The invention discloses a file desensitization and back-desensitization method and system for side-end equipment with semantic fidelity. Localized, reversible and semantic-fidelity file desensitization and back-desensitization closed-loop processing is achieved on the side-end equipment with limited resources. The technical category of the method covers lightweight named entity recognition, dynamic semantic agent generation, a deterministic token replacement mechanism, local encryption mapping table management and unstructured / semi-structured text-oriented multi-modal document unified processing, and the method is suitable for local files, which are preprocessed and converted into text sequences, such as Word, PDF, Excel, pictures and the like. The objective of the invention is to enable a third-party processing result to still have analysis effectiveness and support accurate desensitization restoration through a desensitization strategy which retains an entity type, a semantic role and a contextual relationship on the premise that original sensitive data is not out of equipment, so that the dual requirements of privacy protection and data availability under compliance requirements of GDPR, personal information protection method and the like are met.

The invention discloses an equipment configuration method and device of an embedded operating system, equipment and a medium. The method comprises the following steps: acquiring drive description information in a drive description manager; obtaining a device tree file of the embedded operating system, and processing the device tree file based on a preset device file analysis rule to obtain node information of at least two device nodes; determining a target drive of each device node based on the device compatibility information and the drive compatibility information, and determining whether the device node accords with a device attribute rule of the target drive based on the device attribute information; and under the condition that each equipment node conforms to the equipment attribute rule of the target driver, filling the node data into an initialization template of the target driver, and writing the filled initialization template into the embedded operating system, so that the embedded operating system completes equipment configuration. By adopting the technical scheme, the equipment configuration efficiency of the embedded operating system and the accuracy of the configuration result can be improved.

1. Name of the product in this design: Graphical User Interface for Document Approval of Electronic Equipment. 2. Intended use of this design: for use in an electronic device. 3. The key design features of this product are the graphical user interface displayed on the electronic device. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: This graphical user interface is used for online document review and approval. The main view is the document signing homepage. Users can click "New" (plus sign control) at the bottom of the interface to enter the new approval signing page, as shown in the interface change state diagram 1. Users can click "Upload File" in the interface change state diagram 1 to enter the file upload page, as shown in the interface change state diagram 2. After the upload is completed, the user will be automatically redirected to the interface change state diagram 3. Users can click "Select Reviewer" at the bottom of the interface in the interface change state diagram 3 to conduct online review and signing of the document.

The application discloses a kind of development machine GPU resource dynamic regulation and control method, computer device, medium, wherein, method includes: response development machine creation request, create the custom resource object containing development machine configuration information, create target Pod in Kubernetes cluster, determine the target GPU node to be scheduled, obtain its GPU application quantity, then determine target physical GPU, after creating virtual GPU device file on host, establish the soft link between it and target physical GPU;After creation, start development machine container and mount virtual GPU device file into container;When monitoring container GPU resource idle information meets preset idle condition, remove soft link, update real GPU state to idle.The method does not need to modify container image and original K8s deployment logic, supports GPU resource sharing and reuse between multiple container development machines, significantly improves GPU resource utilization.

Disclosed in the embodiments of the present application are a cross-device file management method and apparatus, and an electronic device and a program product. The method is applied to a first electronic device, and the first electronic device establishes a communication connection with a second electronic device. The method comprises: acquiring file information corresponding to one or more files stored in a second electronic device; displaying a file management interface on the basis of the file information corresponding to the one or more files, wherein icons corresponding to the one or more files are displayed in the file management interface, and the icons corresponding to the files are determined on the basis of file types corresponding to the files; and in response to a trigger operation on a target icon in the file management interface, performing a management operation on a target file corresponding to the target icon.

The invention belongs to the field of power distribution and utilization terminal equipment testing, and particularly relates to a data acquisition and control testing system and method of an intelligent fusion terminal. The system comprises a client, a test module, a database and a communication module, the test module comprises various different types of virtual test devices which are respectively used for simulating corresponding device functions, and is used for selecting the corresponding virtual test device according to the test device file and generating virtual test data; the client is used for carrying out a test according to the test case; the database is used for storing test equipment files, virtual test data and test cases; the communication module comprises a protocol conversion sub-module and different types of hardware ports; each hardware port is used for being correspondingly connected with a downlink data acquisition port of the intelligent fusion terminal; and the protocol conversion sub-module is used for converting the virtual test data into test equipment data in a corresponding format according to the test equipment file, and calling a corresponding hardware port to perform data interaction with the intelligent fusion terminal.

This application discloses a computer equipment information processing method, device, and system to solve the problems of low efficiency, inaccurate information, poor real-time performance, and cumbersome inventory management in computer equipment management. The method includes: in response to the access of an external device, a first computer obtains its unique hardware identifier and generates device binding data associated with that hardware identifier; the first computer collects its own hardware and software information, combines it with the binding data to generate device file data, and sends it to a second computer (server); the server establishes a device file associated with the first computer based on the file data. The system correspondingly includes modules for performing the above steps. This application achieves automated, accurate acquisition and centralized management of equipment information by automatically triggering information collection and binding through hardware devices, and supports rapid inventory management via mobile terminals using near-field communication technology, significantly improving the efficiency, accuracy, and real-time performance of equipment asset management.

The present invention provides a cloud desktop keyboard event processing method, apparatus, device, and storage medium for solving the technical problems of cloud desktop keyboard key state synchronization and convenient use. The cloud desktop client process opens the device file mapped by the physical keyboard device in exclusive mode, reads keyboard events from the device file mapped by the physical keyboard device, and transmits the keyboard events directly to the virtual machine. At the same time, a virtual keyboard device is simulated in user space, and keyboard events that do not need to be blocked are written to the device file mapped by the virtual keyboard device. The present invention can block local keyboard events while omitting key events that do not need to be blocked, thereby achieving synchronization of the local security state with the virtual machine and improving the convenience of cloud desktop applications.

The invention relates to a method for configuring a functionally safe control system (10), in particular for mobile working machines, with a main controller (12) and at least one I / O module (14) with several safe inputs and / or outputs (16) that can be connected to actuators and / or sensors, wherein the main controller (12) has a device file (24) for the I / O module (14) and is connected to the I / O module (14) for communication via a functionally safe data connection (20).In this process, a configuration file (22) with a test value characteristic of the configuration is created to configure the inputs and / or outputs (16) of the I / O module (14) and is read by the I / O module (14). A device file (24) adapted to the configuration with a matching test value is created and read by the main controller (12). Before commissioning the control system (10), a test procedure is performed via the functionally safe data connection (20) to mutually compare the test values ​​of the configuration file (22) and the device file (24) before safety-relevant data is exchanged between the main controller (12) and the I / O module (14). The invention also relates to a safe control system (10).

The invention discloses a reverse shell attack detection method and system based on a pseudo terminal.The method comprises the steps that when an external connection process calls a network external connection function, a process number pid of the external connection process is obtained through an eBPF kernel program and mapped to an eBPF user program; the eBPF user program finds a master device file of the pseudo terminal according to the process number pid, determines an index number of the pseudo terminal, determines a slave device file according to the index number of the pseudo terminal, executes controlled command verification on the slave device file to judge whether the slave device file is a shell program or not, and judges that the external connection process is a reverse shell attack based on the pseudo terminal if the slave device file is the shell program; and otherwise, judging that the external connection process is not the reverse shell attack based on the pseudo terminal. The invention aims to realize attack detection with high performance, strong real-time performance, high detection accuracy and strong avoidance resistance aiming at the reverse shell based on the pseudo terminal.

Systems, methods, and computer readable media for moving data blocks from a user area to a file system area. The method includes receiving a command from a host system and determining a number of free data blocks in a file system area of a memory device. The method further includes determining that the number of free data blocks in the file system area does not satisfy a threshold criterion, and allocating one or more data blocks from a user data area to the file system area.

A system for managing storage and access to data for a file system includes a client device, a file system server, and a storage device. The file system server may perform a method that includes receiving a request for a file system object from the client device, wherein the request comprises a logical block address (LBA) associated with a data block of the file system object. The LBA includes a storage device index corresponding to the storage device, a block size index corresponding to a size of the data block, and a block number corresponding to a block index of a plurality of data blocks stored in the storage device. In response to the request: the method further includes determining a storage location of the data block using the LBA, obtaining data associated with the data block from the storage device, and providing the data to the client device.

The application relates to the technical field of Internet, and particularly discloses a file sharing method, device, equipment and storage medium. The method comprises the following steps: when detecting that a second application opens a second file directory, calling a file access interface to realize that the second application accesses a public file directory; based on the public file directory, reading metadata information of a first file directory of a first application, and sending the metadata information to the second file directory to realize file sharing between applications. The method can realize file sharing between different applications, and improve the access efficiency of cross-device file access.