39 results about "Disk image" patented technology

A method of causing ransomware to be executed includes obtaining a set of ransomware samples and automatically performing a set of scripted detonations of a first subset of the ransomware samples according to a schedule. The set of scripted detonations includes executing the first subset of ransomware samples on a virtual machine. During the execution of the first subset of ransomware samples, use of computing resources by the first subset of ransomware samples is monitored until a shutdown threshold is reached. Upon reaching the shutdown threshold, any pending detonation tasks of the execution of the first subset of ransomware samples are purged. Detonation-infected disk images are generated to include files resulting from the execution of the first subset of ransomware samples, and the detonation-infected disk images are used in training a machine learning system to assess a likelihood of a presence of a ransomware attack.

The invention discloses a virtual machine data backup method and device of a cloud computing management platform, a program product, equipment and a medium, and relates to the technical field of computers. The method comprises the following steps: scanning file system metadata of a disk mirror image file of a virtual machine snapshot, screening out a current change file from the disk mirror image file, and determining a current change data block needing to be backed up in an incremental backup mode by comparing a target data block of the current change file with a corresponding data block of reference backup data; the reference backup data is a basic backup data set for incremental comparison; performing hierarchical compression processing on the current changed data block; and constructing a target storage directory in the object storage service according to the virtual machine identifier and the backup task identifier associated with the cloud computing management platform, and backing up the compressed data to the target storage directory. According to the invention, the backup data size and backup time are optimized, and the limitation of low backup function efficiency of the cloud computing management platform is effectively improved.

The application discloses a flare occurrence position determination method and device, electronic equipment and computer medium. The method comprises the following steps: when it is determined that a flare occurs, a flare peak time, a full-disk image corresponding to the flare peak time and initial disk positions of each solar active region are obtained; according to the flare peak time and the initial disk positions of each solar active region, first disk positions of each solar active region corresponding to the flare peak time are determined; the first disk positions of each solar active region are subjected to coordinate system conversion, and pixel positions of each solar active region in the full-disk image are determined; according to the pixel positions of each solar active region and the full-disk image, first pixel values of regions in which each solar active region is located in the full-disk image are respectively calculated; and the first disk position of a solar active region corresponding to a maximum value is determined as the occurrence position of the flare. The application can accurately determine the occurrence position of the flare when the flare occurs.

A system for forecasting when solar flares will occur and identifying their possible locations creates a mask to analyze an image of a solar disk. The system also creates an intensity histogram using the solar disk. Additionally, the system stores a resulting full-disk image and a sub-image identifying possible flare signature sites. Further, the system applies a method to filter out false positive detections by using an equation that enhances true positive pre-flare signatures and minimizes false positive signatures.

The invention discloses a multi-code-in-one solid state disk production tracing method, device and equipment. The method comprises the following steps: acquiring an unoccupied target serial number from a serial number pool and burning the unoccupied target serial number to a solid state disk; reading the serial number of the hard disk and generating a verification label according to the consistency of the two; generating and attaching a bar code label when the verification is passed; identifying the bar code label to obtain a bar code serial number and generating a back code label for attachment; a second hard disk image is collected, and a comprehensive score is determined according to the appearance state and labeling quality; and generating a traceability chain based on the target serial number, the hard disk serial number, the bar code serial number, the bar code label, the back code label and the comprehensive score. According to the scheme, traceable management of the solid state disk in production, labeling and circulation links is realized through a combination mechanism of serial number verification, multi-label association and image scoring, and the identification accuracy, the quality inspection efficiency and the whole-process tracking capability are improved.

Embodiments of the innovation relate to, in client device, a method for transitioning a first environment of a client device to a second environment. The method comprises receiving a first disk image to create the first environment executed, and displayed to an end-user, by the client device and a second disk image to create the second environment executed by the client device and identifying a change to the first environment. The method also comprises updating the second environment with the identified change to the first environment and swapping the second environment with the first environment, the second environment displayed to the end-user by the client device. As such, the client device provides for the real-time testing and evaluation of software updates in an environment directly subjected to a real user workflow, as well as an ease of migration to the client device when a user decides to update their software.

The application belongs to the technical field of computer virtualization storage, and provides a method and system for detecting the integrity of a qcow2 virtual disk image file. The qcow2 file header is read, basic metadata is parsed, and the physical offset of the data cluster corresponding to the starting position of the virtual disk in the qcow2 file is automatically calculated. The data of a sector at the physical offset is read as a master boot record (MBR), and MBR parsing information is obtained. Whether the virtual disk uses a GPT partition scheme is determined according to the MBR. The GPT region is automatically located, parsed and verified, and GPT parsing information is obtained. The parsing information, check information and integrity detection information are summarized and output. The application can penetrate the mapping layer of the qcow2 format, directly locate and read the MBR or GPT region of the virtual disk, automatically complete structure parsing, CRC check and integrity judgment, and output the detection result in a clear form.

The application discloses a method for creating a private image in a public cloud and related equipment, comprising: a cloud management platform on a network side can provide a plurality of interfaces to tenants, and based on the plurality of interfaces, an ISO file uploaded by a tenant and an operation input by the tenant are acquired, the ISO file carrying an installation file of an operating system, so that the cloud management platform registers the ISO file as an ISO image of the public cloud according to the input operation, the ISO image carrying the installation file of the operating system, and installs the installation file of the operating system carried by the ISO image into a temporary cloud server, sets a running environment in the operating system of the temporary cloud server, acquires an image of the temporary cloud server provided with the running environment, and records the image as a system disk image of the public cloud of the tenant. In this way, the cloud management platform can create a private image required by each tenant according to the ISO file, thereby improving the use experience of the tenant and meeting the actual application requirements of the tenant.

Systems and methods for capturing a disk image of a bare metal server, and then using the disk image to provision other bare metal servers. A method includes capturing a disk image of a first bare metal server and writing the disk image to a repository manager. The method includes launching a continuous delivery mode on a second bare metal server where the disk image is fetched from repository manager and written to second bare metal server, followed by configuring the unique identity.

A method is provided comprising enrolling, by a processor, access to a virtual machine disk image in a database for a virtual machine manager by retrieving from the database the parameters required to run a virtual; generating a filename using the retrieved parameters; correlating the filename with the virtual machine disk image; creating a control file from the retrieved parameters; starting the virtual machine virtual machine disk image using the filename; translating, by a processor, the received File I / O requests into Data Operations that perform equivalent File I / O actions on data in a database; executing, by a processor, the Data Operations on the virtual machine disk image in the database, correlated with the filename.

The application discloses a kind of server's trusted startup design method, belong to information security and trusted computing technical field, server is powered on, and trusted root CPU core is started preferentially, and runs trusted startup program and initializes security environment;BIOS is carried out integrity measurement and verification, and other CPU core is released and runs BIOS after verification passes;By business CPU core loading boot program GRUB, and submitting trusted root CPU core for verification;Subsequently, operating system kernel image is loaded and hash measurement is executed, while combining the control flow information of kernel initialization phase to calculate path entropy value;Then memory image and disk image are segmented and compared, and mapping consistency coefficient is calculated;If verification passes, continue to start operating system;The application can effectively prevent tampered components in system startup chain from being loaded and running, and enhance the startup security and overall trustworthiness of server.

The present disclosure relates to systems, methods, and computer-readable media for determining optimal index configurations for intelligently managing updates of virtual machines in an offline manner in a cloud computing system. For instance, a virtual machine (VM) update system can efficiently determine when to apply updates to virtual machines in an intelligent manner that prevents the updates from interfering with the deallocation of virtual machines. In addition, the VM update system can utilize the operating system (OS) disk image snapshots to automatically provide safeguards and ensure that updates do not degrade the performance of the virtual machines, or in the case of an update failure, that the virtual machines are restored to their previous state without the data loss.

The application discloses a virtual machine data backup method, device, program product, equipment and medium of a cloud computing management platform, relates to the technical field of computers, and comprises the following steps: generating a virtual machine snapshot; filtering out current change files from a disk image file of the virtual machine snapshot by scanning file system metadata of the disk image file, and determining current change data blocks that need to be backed up in an incremental backup mode by comparing target data blocks of the current change files with corresponding data blocks of reference backup data; the reference backup data is a basic backup data set used for incremental comparison; performing hierarchical compression processing on the current change data blocks; constructing a target storage directory in an object storage service according to virtual machine identifiers and backup task identifiers associated with the cloud computing management platform, and backing up the compressed data into the target storage directory. The application optimizes the backup data size and the backup time, and effectively improves the low-efficiency limitation of the backup function of the cloud computing management platform.

The invention discloses an automatic installation method and device of an operating system, equipment and a storage medium, and belongs to the technical field of computers.The method comprises the steps that a disk image format file is searched for according to a system version number, packaging the disk image format file, the installation general control file and a preset setting file; controlling disk partition based on the installation general control file; the disk image format file is released into a main partition obtained after disk partition operation, and a system, a driver and an application program are installed in the main partition; when the system is started for the first time, the parameters in the setting file are set as system parameters. According to the method and the device, the disk image can be packaged according to the system version number, the general control program can be set and installed into the automatic installation mirror image, the disk partition, the system, the driver and the application are automatically installed through the automatic installation mirror image, parameters are automatically set for the system, and the system installation efficiency is improved.

The embodiment of the invention relates to a hard disk management method, device and system for a data center, and the method comprises the steps: recognizing a purchased hard disk image, and obtaining the attribute information of the hard disk; determining an associated server of the hard disk according to the attribute information of the hard disk, and establishing archive information in the associated server based on the hard disk image and the attribute information of the hard disk; receiving a shot image when the target hard disk exits from the server; verifying the shot image according to the historical image, and prompting to transport the target hard disk to the next specified device after the verification is passed; determining first verification information of the target hard disk according to the historical image, the shot image and a scanning image of the next specified device for the target hard disk, and determining second verification information according to a physical attribute verification result of the next specified device for the target hard disk; and according to the first verification information and the second verification information, determining whether the target hard disk is a to-be-processed hard disk. The problem that an existing hard disk management method is low in safety is solved.

The application discloses a virtual machine image data distribution method and device, equipment and a storage medium. After virtual machine image data is stored to an image storage system, if target image data required for creating a virtual machine is not stored to an image cache cluster, the target image data is copied from the image storage system to the image cache cluster. If the number of virtual machines to be created is small, the virtual machines can be created based on the target image data in the image cache cluster, thereby reducing the time for creating the virtual machines. If the number of virtual machines to be created is large, the target image data in the image cache cluster can be forwarded to each cloud disk storage cluster in a first cloud disk storage set in a tree forwarding mode. The first cloud disk storage set comprises at least one cloud disk storage cluster in the cloud disk storage system except for a cloud disk image cache cluster. Through the tree forwarding mode, the task amount of image data forwarding of the image storage system is dispersed, the load of the image storage system is reduced, and the speed of creating the virtual machines is improved.

Embodiments of the present application disclose a virtual machine disk image making method and device, computer equipment and a storage medium. The method comprises: starting a virtual machine instance, and passing a command line parameter to the virtual machine instance, so that the virtual machine instance does not exit when the virtual machine is shut down; sending a system shutdown instruction to a virtual machine console to control the virtual machine to shut down; determining whether the virtual machine is in a closed state, and if so, sending a snapshot synchronization instruction to the virtual machine console to obtain an image file of the virtual machine; and calling an image creation command of a disk management tool to create a final disk image according to the image file. The method solves the problem that the current virtual machine management software cannot start the virtual machine when making a disk image, or the problem that a blue screen appears when starting the virtual machine, ensures that the made disk image is safe and complete, and does not have the problems of being unable to start or having a blue screen no matter how many levels of disk images are made.

The invention provides a data storage encryption method of an encryption system and electronic equipment, the encryption system comprises a host, a data interface and an encryption card, the host comprises a virtual disk, a disk image file, a virtual disk driver, an encryption card driver and user application software, and the encryption card is in communication connection with the virtual disk driver through the data interface. The method comprises the steps that in the process that an operating system of a host sends a read / write request to a virtual disk, the read / write request is intercepted through a virtual disk driver; when the read / write request is a write request, at least sending plaintext data in the write request to an encryption card through a data interface, so that the encryption card at least encrypts the plaintext data to obtain encrypted data; and receiving encrypted data sent by the encryption card, and writing the encrypted data into the disk mapping file. The problem that the storage capacity is fixed and cannot be expanded as required in USB hardware encryption in the prior art is solved.

This invention relates to the field of image recognition technology, and discloses a machine vision-based image emotion recognition method and system. The machine vision-based image emotion recognition method includes the following steps: Step S101, determining the outer canthus point; Step S102, calculating the orbitozygomatic connectivity region; Step S103, calculating the orbitozygomatic isoperipheral bulging index; Step S104, generating a disk image; Step S105, constructing a feature vector using scalar modulation; Step S106, outputting the emotion prediction result. This invention obtains the monocular yaw angle and outer canthus point through eye region ellipse fitting, and locks the orbitozygomatic connectivity region by combining the lower eyelid margin curve and the zygomatic superior margin curvature ridge line, effectively eliminating the projection distortion caused by head yaw. Combined with neural network feature modulation and angular statistics extraction, stable extraction of emotion-related features is achieved, avoiding confusion between posture changes and emotion features.

Methods and systems for managing endpoint devices are disclosed. The endpoint devices may be managed by onboarding them. To onboard the endpoint devices, ownership vouchers may include information that directs the endpoint device to a meta payload that contains a link to a bootable installer and / or disk image and authentication data that is used to verify an integrity of the bootable installer and / or disk image. The meta payload may be stored at a location different from where the bootable installer and / or disk image are stored. Changes to the bootable installer and / or disk image would not require regeneration of every ownership voucher that referenced the previous version of the bootable installer and / or disk image before the changes.

The invention relates to an interactive Linux kernel signature verification loading method, device and equipment, belongs to the technical field of information security, and solves the problems of insufficient system flexibility and lack of third-party module loading operation log records caused by too strict kernel module signature verification mechanism in the prior art. Comprising the following steps: integrating a predefined kernel module white list into an initial memory disk image, and configuring an access control strategy; when the system is in a loose and safe mode, judging whether an interactive verification function is enabled or not, if so, judging whether a to-be-loaded kernel module is located in the kernel module white list or not when a loading request of an unsigned or invalid-signed to-be-loaded kernel module is detected, and if so, allowing to load the to-be-loaded kernel module; if not, triggering a user interaction confirmation process, and determining whether the to-be-loaded kernel module is allowed to be loaded or not according to a confirmation result; wherein the loading event information of the kernel module to be loaded is recorded to the audit log.

The application discloses a cloud service version updating method and device, equipment and a storage medium, and relates to the field of version updating, and comprises the following steps: acquiring a cloud disk created based on a disk image; the disk image is an image specially used for storing configuration files and a version to be updated; mounting the cloud disk and a host to be updated and connecting the operating system and the cloud disk after mounting are performed through a terraform tool, a disk symbol is allocated for the cloud disk after connection, and the disk symbol is modified according to the disk information and the configuration files corresponding to the host to be updated; the current process service running on the host to be updated is determined, the process corresponding to the current process service is locked if all the processes are in an unoccupied state, and the process is restarted to load the version to be updated after successful locking, thereby completing the updating of the cloud service version. Through cloud disk mounting, the application solves the transmission problem of large file packages, and can update the version of the currently running cloud service without the user's awareness and without occupying the host resources.

The invention discloses an OpenEuler virtual machine mirror image customization method based on libguestfs extension support, and belongs to the technical field of cloud computing and virtualization. The invention provides an OpenEuler virtual machine mirror image customization method based on libguestfs extension support, which realizes customization of virtual machine disk mirror images under different OpenEuler operating system versions by executing a virt-batch command with parameters, including basic operations such as software package installation, configuration editing, time zone setting and the like, and supports advanced functions such as driver addition, network configuration and the like at the same time. According to the method, the technical bottleneck of cross-platform compatibility is broken through, and a user can customize the specified mirror image across the virtual machines. Besides, the virtual machine mirror image customization process is simplified, the user can complete customization of the virtual machine mirror image by inputting a simple command through a command line, and the operation complexity and the time cost of virtual machine mirror image customization under different OpenEuler versions are remarkably reduced.

Embodiments of the present disclosure disclose a software file, a software running method and an apparatus related thereto, the method includes: obtaining a booting request to boot the working software of the software file; booting the bootstrap program of the software file according to the booting request and allocating an encryption memory for an encryption container corresponding to the software file; instructing the security processor through the bootstrap program to obtain the first decryption key of the encryption container disk image file and sending the first decryption key to the encryption container, so that the encryption container decrypts the encryption container disk image file to obtain the encryption container disk image and the working software stored in the encryption memory; running the encryption container disk image to boot the encryption container; and booting the working software when a local authorization file in the encryption container disk image is legal.

Provided are a method, apparatus, and device for generating a bare metal server Linux system image, and a memory medium. The method includes: analyzing a received bare metal server Linux system image generation request so as to obtain a target configuration parameter of a target bare metal server Linux system image to be generated and a target operating system model; selecting, from a redundant array of independent disks driver library, a target redundant array of independent disks driver that matches the target configuration parameter and the target operating system model; adding the target redundant array of independent disks driver to a boot file of a virtual machine to generate a target boot file; and exporting, from the virtual machine, a virtual machine disk image file containing the target boot file as the target bare metal server Linux system image.

The invention relates to the technical field of computers, and discloses an attack path restoration method and system based on a disk mirror image, and the method comprises the steps: carrying out the simulation of an attack event, and building a causal relation graph according to the simulation result of the attack event; obtaining a node data sequence of the causal relationship graph, constructing a training sample set according to the node data sequence, and establishing and training an LSTM model according to the training sample set; obtaining vulnerability characteristics and disk mirror image characteristics of each node data sequence, determining a vulnerability index and a disk mirror image characteristic index according to the vulnerability characteristics and the disk mirror image characteristics, and optimizing the LSTM model according to the vulnerability index and the disk mirror image characteristic index; and establishing a current causal relationship graph, identifying an attack sequence of the current causal relationship graph according to the optimized LSTM model, and restoring an attack path according to the attack sequence of the current causal relationship graph. According to the method, the LSTM model for attack sequence identification can be optimized through the disk mirror image features, and the accuracy of attack path restoration is effectively improved.

The application relates to the technical field of virtual machines, and particularly discloses a continuous data protection method and device, electronic equipment and a storage medium, wherein the method comprises the following steps: temporarily creating a copy image file and taking the copy image file as a disk medium of a virtual machine; starting the virtual machine, performing data operation and recording based on continuous data protection, and simultaneously performing data initialization operation; after the data initialization operation is completed, switching the disk image file to the disk medium of the virtual machine; performing backfill processing on the disk image file; performing data operation and recording based on continuous data protection; the method temporarily creates a copy image file before starting the virtual machine, takes the copy image file as the disk medium used by the virtual machine in the initial stage, and simultaneously performs data initialization operation, so that the virtual machine does not need to pause running to record a data source in the initial stage, the starting rate of the virtual machine can be greatly improved, and the problem of initialization time consumption existing in continuous data protection is effectively solved.

A system and method for converting and copying a virtual disk image between provider-specific computing resources is provided. The method includes receiving a request to copy a virtual disk image from a source to a destination, and converting the virtual disk image from a source format to a destination format while copying. The conversion process involves predicting locations of data blocks within the virtual disk image based on structural characteristics of the source format without accessing metadata at the end of the image. Data blocks are decoded from the source format to a raw format while streaming from the source, based on the predicted locations. The data blocks are then encoded from the raw format to the destination format while streaming to the destination. This method enables efficient conversion and transfer of virtual disk images between different provider-specific computing resources.

The invention discloses a firmware version refreshing method and device of a component, equipment and a medium, and relates to the technical field of servers, and the firmware version refreshing method comprises the steps that an automatic script and a target file are combined and then compressed, and a compressed file is obtained; the target file is a random access memory disk image file of a memory operating system for loading a driver and a file system when the system is started; the memory operating system is a system used for batch refreshing of a factory production line; the compressed file is stored in the LIVECD system, the firmware version refreshing process file is copied to the LIVECD system, and the LIVECD system is packaged to obtain a packaged system; and when the reconfigured component is powered on and started, starting the packaged system, and automatically executing firmware version refreshing logic based on the packaged system so as to refresh the firmware version of the reconfigured component based on the firmware version refreshing script. According to the method, the firmware version can be automatically and quickly refreshed and upgraded.

The invention discloses a virtual machine disk mirror image starting prediction method and system based on cross-layer semantic alignment, and belongs to the technical field of virtual machine deployment. The method comprises the following steps: receiving a virtual machine deployment request, and obtaining a to-be-deployed disk mirror image and target environment configuration parameters; the starting process is decoupled into an internal guide semantic domain and an external configuration semantic domain, mirror image internal guide semantic features are extracted through read-only static analysis to generate internal feature vectors, and target environment configuration semantic features are collected to generate external feature vectors; constructing a semantic compatibility knowledge graph, performing cross-layer semantic alignment verification on the two types of vectors based on the graph, and identifying conflict events; and generating a starting feasibility prediction result and diagnosis traceability data according to the conflict event, feeding back to the deployment platform, and executing a release or blocking strategy. According to the scheme, the starting feasibility prediction accuracy is improved, the invalid deployment risk is avoided, the deployment efficiency is improved, and reliable support is provided for system optimization and problem tracing.