Practical tools for system, network, security, and operations administrators.

SYS

System desk

Users, processes, disks, and logs. These utilities run in the browser and explain the unglamorous work that keeps hosts honest.

601–624 / 975

xargs Command Builder

Live

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

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ln Command Builder

Live

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

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kill/pkill Signal Builder

Live

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

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watch Command Builder

Live

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

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Shebang & Script Header Generator

Live

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

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Glob Pattern Tester

Live

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

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CSV to Bash Array Converter

Live

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

Live

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

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Bash Alias Generator

Live

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

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Btrfs Command Builder

Live

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

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Inode Usage Calculator

Live

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

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iSCSI Initiator Command Builder

Live

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

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Storage Tiering Cost Calculator

Live

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

Live

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

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vmstat Output Analyzer

Live

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

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iostat Output Analyzer

Live

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

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OOM Killer Log Analyzer

Live

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

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Kernel Panic / dmesg Analyzer

Live

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

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sysctl Tuning Generator

Live

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

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ulimit / nofile Calculator

Live

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

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Linux Boot Troubleshooting Wizard

Live

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

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High CPU Troubleshooting Wizard

Live

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

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journald Config Generator

Live

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

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NTP Drift Calculator

Live

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

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