Keep learninghttps://fuis.top/zh-CNhttps://fuis.top/memos/disable-linux-cpu-vulnerability-mitigations/https://fuis.top/memos/disable-linux-cpu-vulnerability-mitigations/配置 Linux 内核参数以关闭 CPU 侧信道攻击缓解。Sun, 10 Aug 2025 00:00:00 GMTlinuxhardwarehttps://fuis.top/memos/check-tsc-synchronization-on-x86-cpus/https://fuis.top/memos/check-tsc-synchronization-on-x86-cpus/检测 x86 CPU 的 TSC 同步和系统时钟回退。Wed, 06 May 2026 00:00:00 GMTlinuxhardwarehttps://fuis.top/articles/pangu-performance-oriented-evolution/https://fuis.top/articles/pangu-performance-oriented-evolution/梳理阿里盘古从容量优先到性能导向的架构演进。Sun, 25 Aug 2024 00:00:00 GMTstoragedistributed-systemshttps://fuis.top/memos/migrate-btrfs-volumes-over-ssh/https://fuis.top/memos/migrate-btrfs-volumes-over-ssh/通过 SSH 发送只读快照，迁移 Btrfs 子卷。Thu, 11 Dec 2025 00:00:00 GMTlinuxnetworkingstoragehttps://fuis.top/memos/migrate-docker-images-over-ssh/https://fuis.top/memos/migrate-docker-images-over-ssh/使用 zstd、pv 和 SSH 批量迁移 Docker 镜像。Thu, 11 Dec 2025 00:00:00 GMTcontainersnetworkinghttps://fuis.top/memos/fix-arch-linux-nvidia-gpu-container-startup/https://fuis.top/memos/fix-arch-linux-nvidia-gpu-container-startup/修复 Arch Linux 更新后 NVIDIA GPU 容器启动失败。Sat, 06 Sep 2025 00:00:00 GMTlinuxcontainershardwarehttps://fuis.top/articles/polarfs-architecture-and-parallel-raft/https://fuis.top/articles/polarfs-architecture-and-parallel-raft/分析 PolarFS 架构、用户态 I/O 栈和 ParallelRaft。Sun, 25 Aug 2024 00:00:00 GMTstoragedistributed-systemsdatabaseshttps://fuis.top/memos/fix-memory-slot-hardware-short/https://fuis.top/memos/fix-memory-slot-hardware-short/定位机箱螺丝柱导致内存插槽异常的硬件故障。Thu, 28 Aug 2025 00:00:00 GMThardwarehttps://fuis.top/memos/build-python-kornia-rs-on-arch-linux/https://fuis.top/memos/build-python-kornia-rs-on-arch-linux/修复 Arch Linux 构建 python-kornia-rs 的交叉编译检测。Thu, 24 Jul 2025 00:00:00 GMTlinuxdeveloper-toolshttps://fuis.top/memos/free-port-5000-on-macos/https://fuis.top/memos/free-port-5000-on-macos/关闭 AirPlay Receiver，释放 macOS 的 5000 端口。Tue, 22 Jul 2025 00:00:00 GMTnetworkingdeveloper-toolshttps://fuis.top/articles/memory-capacity-and-bandwidth-map/https://fuis.top/articles/memory-capacity-and-bandwidth-map/用对数坐标比较 CPU、GPU 和 SSD 的容量与带宽。Sun, 20 Jul 2025 00:00:00 GMThardwarestoragehttps://fuis.top/articles/falconfs-for-deep-learning-pipelines/https://fuis.top/articles/falconfs-for-deep-learning-pipelines/分析 FalconFS 面向深度学习流水线的无状态客户端架构。Fri, 18 Jul 2025 00:00:00 GMTstorageai-mlhttps://fuis.top/memos/use-arch-linux-as-a-wireless-router/https://fuis.top/memos/use-arch-linux-as-a-wireless-router/使用 nftables 将 Arch Linux 配置为无线路由器。Wed, 02 Jul 2025 00:00:00 GMTlinuxnetworkinghttps://fuis.top/memos/commonly-used-go-modules/https://fuis.top/memos/commonly-used-go-modules/整理日志、配置、CLI 和测试常用的 Go 模块。Thu, 12 Jun 2025 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/fix-esxi-gpu-pcie-passthrough-startup/https://fuis.top/memos/fix-esxi-gpu-pcie-passthrough-startup/配置 64 位 MMIO，修复 ESXi GPU 直通启动失败。Wed, 18 Jun 2025 00:00:00 GMTvirtualizationhardwarehttps://fuis.top/memos/docker-compose-configuration-collection/https://fuis.top/memos/docker-compose-configuration-collection/收录自托管服务使用的 Docker Compose 配置。Mon, 16 Jun 2025 00:00:00 GMTcontainersdatabaseshttps://fuis.top/memos/fix-postgresql-shared-memory-segment-error/https://fuis.top/memos/fix-postgresql-shared-memory-segment-error/排查 PostgreSQL 无法打开共享内存段的问题。Sun, 15 Jun 2025 00:00:00 GMTpostgresqllinuxhttps://fuis.top/memos/remove-empty-github-repositories/https://fuis.top/memos/remove-empty-github-repositories/通过 GitHub API 查找并删除没有提交的仓库。Sat, 14 Jun 2025 00:00:00 GMTdeveloper-toolshttps://fuis.top/articles/ceph-local-storage-engine-evolution/https://fuis.top/articles/ceph-local-storage-engine-evolution/回顾 Ceph 本地存储引擎十年的设计演进。Thu, 28 Mar 2024 00:00:00 GMTstoragehttps://fuis.top/memos/run-vllm-as-a-systemd-service/https://fuis.top/memos/run-vllm-as-a-systemd-service/创建 systemd unit，将 vLLM 部署为后台服务。Fri, 13 Jun 2025 00:00:00 GMTai-mllinuxhttps://fuis.top/articles/mirage-unikernel-study-notes/https://fuis.top/articles/mirage-unikernel-study-notes/梳理 Mirage unikernel 的构建方式、优势和运行架构。Tue, 10 Jun 2025 00:00:00 GMTvirtualizationhttps://fuis.top/memos/calculate-oracle-linux-hugepages-settings/https://fuis.top/memos/calculate-oracle-linux-hugepages-settings/用 Oracle 脚本计算 Linux HugePages 推荐配置。Tue, 10 Jun 2025 00:00:00 GMTlinuxdatabaseshttps://fuis.top/memos/command-line-tool-bookmarks/https://fuis.top/memos/command-line-tool-bookmarks/收集命令行工具、dotfiles 管理和进程操作技巧。Sun, 01 Jan 2023 00:00:00 GMTdeveloper-toolslinuxhttps://fuis.top/memos/computer-architecture-bookmarks/https://fuis.top/memos/computer-architecture-bookmarks/收集流水线气泡和微架构性能分析工具。Sun, 01 Jan 2023 00:00:00 GMThardwaredeveloper-toolshttps://fuis.top/memos/configure-npm-mirrors/https://fuis.top/memos/configure-npm-mirrors/设置 npm registry、Node 源码与常见二进制下载镜像。Sat, 01 Jul 2023 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/continuous-integration-bookmarks/https://fuis.top/memos/continuous-integration-bookmarks/记录持续集成平台和相关服务。Sun, 01 Jan 2023 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/distributed-consensus-bookmarks/https://fuis.top/memos/distributed-consensus-bookmarks/整理共识流水线、选主、quorum 和 Raft 资料。Sun, 01 Jan 2023 00:00:00 GMTdistributed-systemshttps://fuis.top/memos/enable-java-gc-log-rotation/https://fuis.top/memos/enable-java-gc-log-rotation/使用 G1 与 GC 日志轮转参数写入带时间戳的文件。Sat, 01 Jul 2023 00:00:00 GMTobservabilityhttps://fuis.top/memos/enable-perf-kernel-backtraces/https://fuis.top/memos/enable-perf-kernel-backtraces/降低 perf_event_paranoid 以启用基于 perf 的内核回溯。Sat, 01 Jul 2023 00:00:00 GMTlinuxobservabilityhttps://fuis.top/memos/find-path-mtu/https://fuis.top/memos/find-path-mtu/使用禁止分片的 ping 探测可用负载大小。Sat, 01 Jul 2023 00:00:00 GMTnetworkinghttps://fuis.top/memos/fix-xfs-void-pointer-arithmetic/https://fuis.top/memos/fix-xfs-void-pointer-arithmetic/将 void 指针偏移改为 char 指针偏移，并显式转换返回值。Sat, 01 Jul 2023 00:00:00 GMTlinuxdeveloper-toolshttps://fuis.top/memos/git-lfs-basics/https://fuis.top/memos/git-lfs-basics/初始化 Git LFS、追踪 ISO 并提交属性文件。Sat, 01 Jul 2023 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/increase-meilisearch-payload-limit/https://fuis.top/memos/increase-meilisearch-payload-limit/通过 MEILI_HTTP_PAYLOAD_SIZE_LIMIT 接受大请求体。Sat, 01 Jul 2023 00:00:00 GMTdatabaseshttps://fuis.top/memos/kopia-config-file-locations/https://fuis.top/memos/kopia-config-file-locations/Kopia 默认 repository.config 在各平台上的路径。Sat, 01 Jul 2023 00:00:00 GMTstoragehttps://fuis.top/memos/migrate-kopia-snapshots/https://fuis.top/memos/migrate-kopia-snapshots/通过源配置文件迁移全部 Kopia 快照。Sat, 01 Jul 2023 00:00:00 GMTstoragehttps://fuis.top/memos/modify-delete-all-google-photos-limit/https://fuis.top/memos/modify-delete-all-google-photos-limit/修改浏览器扩展限制并批量清理 Google Photos。Tue, 10 Jun 2025 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/networking-and-dns-bookmarks/https://fuis.top/memos/networking-and-dns-bookmarks/整理 DNS、UDP 丢包和 Linux 网络诊断资料。Sun, 01 Jan 2023 00:00:00 GMTnetworkinglinuxhttps://fuis.top/memos/nginx-499-client-timeout/https://fuis.top/memos/nginx-499-client-timeout/客户端先于 upstream 超时断开连接时，Nginx 会记录 499。Sat, 01 Jul 2023 00:00:00 GMTnetworkingobservabilityhttps://fuis.top/memos/raft-multi-dc-arbiter-nodes/https://fuis.top/memos/raft-multi-dc-arbiter-nodes/跨数据中心部署可参考 ScyllaDB 的 arbiter DC 与零 token 节点方案。Sat, 01 Jul 2023 00:00:00 GMTdistributed-systemshttps://fuis.top/memos/remove-zookeeper-server-not-running-logs/https://fuis.top/memos/remove-zookeeper-server-not-running-logs/用 fd 和 sd 批量删除指定 ZooKeeper 日志行。Sat, 01 Jul 2023 00:00:00 GMTdeveloper-toolsobservabilityhttps://fuis.top/memos/run-node-exporter-with-docker-compose/https://fuis.top/memos/run-node-exporter-with-docker-compose/挂载宿主机根目录并使用 host 网络和 PID 命名空间。Sat, 01 Jul 2023 00:00:00 GMTcontainersobservabilityhttps://fuis.top/memos/search-engine-bookmarks/https://fuis.top/memos/search-engine-bookmarks/收集搜索引擎实现与性能分析资料。Sun, 01 Jan 2023 00:00:00 GMTdatabaseshttps://fuis.top/memos/search-git-history-by-content/https://fuis.top/memos/search-git-history-by-content/使用 git log -S 查找增删指定字符串的提交。Sat, 01 Jul 2023 00:00:00 GMTdeveloper-toolshttps://fuis.top/memos/sequential-consistency-versus-linearizability/https://fuis.top/memos/sequential-consistency-versus-linearizability/顺序一致性不约束真实时间，线性一致性要求操作符合实时顺序。Sat, 01 Jul 2023 00:00:00 GMTdistributed-systemshttps://fuis.top/memos/simulate-packet-loss-with-nftables/https://fuis.top/memos/simulate-packet-loss-with-nftables/丢弃指定 TCP 端口的入站流量并恢复规则。Sat, 01 Jul 2023 00:00:00 GMTlinuxnetworkinghttps://fuis.top/memos/sql-server-page-size/https://fuis.top/memos/sql-server-page-size/SQL Server 数据页固定为 8 KB。Sat, 01 Jul 2023 00:00:00 GMTdatabaseshttps://fuis.top/memos/systems-programming-bookmarks/https://fuis.top/memos/systems-programming-bookmarks/整理 Linux、Rust、Go、C++、io_uring 和 Zig 资料。Sun, 01 Jan 2023 00:00:00 GMTdeveloper-toolslinuxstoragehttps://fuis.top/memos/zookeeper-linearizable-reads/https://fuis.top/memos/zookeeper-linearizable-reads/实现未将 sync 作为空写复制，网络分区边界下可能返回旧数据。Sat, 01 Jul 2023 00:00:00 GMTdistributed-systemshttps://fuis.top/articles/orthus-non-hierarchical-caching/https://fuis.top/articles/orthus-non-hierarchical-caching/分析 Orthus 如何优化现代存储设备上的非层级缓存。Sun, 25 Aug 2024 00:00:00 GMTstoragehttps://fuis.top/memos/limit-esxi-vmfsl-partition-size/https://fuis.top/memos/limit-esxi-vmfsl-partition-size/通过启动参数限制 ESXi 安装时的 VMFSL 分区大小。Sun, 25 Aug 2024 00:00:00 GMTvirtualizationstoragehttps://fuis.top/memos/seagate-turboboost-and-advanced-write-caching/https://fuis.top/memos/seagate-turboboost-and-advanced-write-caching/介绍 Seagate TurboBoost 与高级写缓存的工作方式。Sun, 25 Aug 2024 00:00:00 GMTstoragehardwarehttps://fuis.top/articles/ebofs-design-overview/https://fuis.top/articles/ebofs-design-overview/介绍 Ceph 早期 EBOFS 存储引擎的设计与取舍。Thu, 28 Mar 2024 00:00:00 GMTstoragehttps://fuis.top/memos/simulate-slow-disks-with-dm-delay/https://fuis.top/memos/simulate-slow-disks-with-dm-delay/使用 device mapper 的 dm-delay 模拟慢速磁盘。Sun, 25 Aug 2024 00:00:00 GMTlinuxstorage