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一种基于SELinux扩展的OVERLAYFS文件安全访问加固机制研究
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作者 陈大文 《无线互联科技》 2022年第12期133-136,168,共5页
作为新型的Linux联合文件系统,OVERLAYFS成为Docker之类Linux容器实现的主流文件系统构建技术。容器技术作为新兴的计算模式,是未来算力网络计算模式的核心,由于容器镜像的可迁移性、复制性结合算力网络调度的异地执行等特征,容器中的... 作为新型的Linux联合文件系统,OVERLAYFS成为Docker之类Linux容器实现的主流文件系统构建技术。容器技术作为新兴的计算模式,是未来算力网络计算模式的核心,由于容器镜像的可迁移性、复制性结合算力网络调度的异地执行等特征,容器中的数据资产与软件资产等面临较大的安全风险。为此,文章提出一种容器资产访问的安全框架,制定了镜像层各方信任关系构建和执行策略,并嵌入SELinux的安全构架,通过底层的算力平台予以执行。通过框架建立基于容器中镜像层资产的信任关系,采用算力平台执行安全访问策略,实现对OVERFLAYFS的文件安全访问与控制。 展开更多
关键词 SELINUX overlayfs 容器 安全加固 算力网络
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Performance evaluation of file operations using Mutagen
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作者 Mahid Atif Hosain Sriram Chellappan Jannatun Noor 《High-Confidence Computing》 2025年第3期153-158,共6页
Docker is a vital tool in modern development,enabling the creation,deployment,and execution of applications using containers,thereby ensuring consistency across various environments.However,developers often face chall... Docker is a vital tool in modern development,enabling the creation,deployment,and execution of applications using containers,thereby ensuring consistency across various environments.However,developers often face challenges,particularly with filesystem complexities and performance bottlenecks when working directly within Docker containers.This is where Mutagen comes into play,significantly enhancing the Docker experience by offering efficient network file synchronization,reducing latency in file operations,and improving overall data transfer rates in containerized environments.By exploring Docker’s architecture,examining Mutagen’s role,and evaluating their combined performance impacts,particularly in terms of file operation speeds and development workflow efficiencies,this research provides a deep understanding of these technologies and their potential to streamline development processes in networked and distributed environments. 展开更多
关键词 MUTAGEN DOCKER overlayfs Union mount filesystem Synchronization Fio RSYNC
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