面向系统、网络、安全与运维管理员的实用工具。

SYS

系统桌

用户、进程、磁盘与日志。这些工具在浏览器里运行,说明让主机保持诚实的工作。

601–624 / 975

xargs Command Builder

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Build xargs pipelines safely (-0, -P, -I). The result stays on this page.

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ln Command Builder

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ln Command Builder. Build hard/symbolic link commands. The result stays on this page.

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kill/pkill Signal Builder

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Choose the right signal and build kill commands. The result stays on this page.

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watch Command Builder

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Build watch commands for live monitoring. The result stays on this page.

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Shebang & Script Header Generator

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Generate headers with usage, author, license. The result stays on this page.

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Glob Pattern Tester

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Test shell glob patterns against file lists. The result stays on this page.

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CSV to Bash Array Converter

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CSV to Bash Array Converter. Convert CSV rows to bash arrays/loops. The result stays on this page.

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Here-Document Generator

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Generate safe heredoc blocks with quoting. The result stays on this page.

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Bash Alias Generator

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Bash Alias Generator. Generate useful alias sets for admins. The result stays on this page.

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Btrfs Command Builder

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Btrfs Command Builder. Build subvolume/snapshot commands. The result stays on this page.

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Inode Usage Calculator

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Estimate inodes needed for file counts. The result stays on this page.

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iSCSI Initiator Command Builder

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Build iscsiadm discovery/login commands. The result stays on this page.

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Storage Tiering Cost Calculator

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Storage Tiering Cost Calculator. Compare SSD/HDD/archive cost per TB. The result stays on this page.

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top/htop Output Explainer

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Paste top output and get a plain-English diagnosis. The result stays on this page.

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vmstat Output Analyzer

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Analyze vmstat for CPU, memory and IO pressure. The result stays on this page.

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iostat Output Analyzer

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iostat Output Analyzer. Analyze iostat for disk bottlenecks. The result stays on this page.

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OOM Killer Log Analyzer

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Explain OOM messages and the killed process. The result stays on this page.

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Kernel Panic / dmesg Analyzer

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Explain dmesg errors and common causes. The result stays on this page.

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sysctl Tuning Generator

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Generate sysctl.conf for web, DB, high-connection hosts. The result stays on this page.

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ulimit / nofile Calculator

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Calculate file descriptor limits and config. The result stays on this page.

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Linux Boot Troubleshooting Wizard

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Linux Boot Troubleshooting Wizard. Step-by-step boot failure diagnosis. The result stays on this page.

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High CPU Troubleshooting Wizard

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High CPU Troubleshooting Wizard. Guided diagnosis for CPU spikes. The result stays on this page.

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journald Config Generator

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Configure persistence, size limits and forwarding. The result stays on this page.

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NTP Drift Calculator

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NTP Drift Calculator. Explain clock drift and offset values. The result stays on this page.

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