सिस्टम, नेटवर्क, सुरक्षा और ऑपरेशंस प्रशासकों के लिए व्यावहारिक उपकरण।

SYS

सिस्टम डेस्क

उपयोगकर्ता, प्रक्रियाएँ, डिस्क और लॉग। ये उपकरण ब्राउज़र में चलते हैं और वह काम समझाते हैं जो होस्ट को ईमानदार रखता है।

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Chmod Calculator

सक्रिय

Convert between symbolic and numeric Linux file permissions, including special bits.

उपकरण खोलें

useradd Command Builder

सक्रिय

Build useradd commands with home directory, shell, groups, and expiry options.

उपकरण खोलें

SSH Key Generator

सक्रिय

Generate SSH key pairs in browser (Ed25519/RSA). The result stays on this page.

उपकरण खोलें

Cron Expression Generator & Explainer

सक्रिय

Builds cron expressions and explains them in plain English. The result stays on this page.

उपकरण खोलें

Cron Next Run Calculator

सक्रिय

List the next N run times of a cron expression. The result stays on this page.

उपकरण खोलें

systemd Unit File Generator

सक्रिय

Generates .service and .timer unit files from a form. The result stays on this page.

उपकरण खोलें

journalctl Command Builder

सक्रिय

Build journalctl filters by unit, time, priority. The result stays on this page.

उपकरण खोलें

find Command Builder

सक्रिय

Builds find commands with filters for name, size, time, permissions. The result stays on this page.

उपकरण खोलें

tar Command Builder

सक्रिय

Builds tar create/extract/list commands with compression options. The result stays on this page.

उपकरण खोलें

rsync Command Builder

सक्रिय

Builds rsync commands for local/remote sync and backups. The result stays on this page.

उपकरण खोलें

grep Command Builder

सक्रिय

Build grep/egrep commands with common flags. The result stays on this page.

उपकरण खोलें

sed Command Builder

सक्रिय

Build sed substitutions and in-place edits. The result stays on this page.

उपकरण खोलें

netplan Config Generator

सक्रिय

Generate netplan YAML for static IP, bonds, VLANs. The result stays on this page.

उपकरण खोलें

Linux Command Explainer

सक्रिय

Paste any command and get each flag explained. The result stays on this page.

उपकरण खोलें

Bash Script Template Generator

सक्रिय

Generate a robust bash script skeleton (set -euo, args, logging). The result stays on this page.

उपकरण खोलें

jq Query Builder & Tester

सक्रिय

jq Query Builder & Tester. Build and test jq filters on JSON. The result stays on this page.

उपकरण खोलें

Regex Tester

सक्रिय

Tests regular expressions against sample text with highlights. The result stays on this page.

उपकरण खोलें

RAID Calculator

सक्रिय

Calculates usable capacity and fault tolerance for RAID levels. The result stays on this page.

उपकरण खोलें

LVM Command Builder

सक्रिय

Build pvcreate/vgcreate/lvcreate/lvextend commands. The result stays on this page.

उपकरण खोलें

Swap Size Calculator

सक्रिय

Recommended swap by RAM and hibernation. The result stays on this page.

उपकरण खोलें

Disk Space Unit Converter

सक्रिय

Disk Space Unit Converter. Convert GB vs GiB, TB vs TiB. The result stays on this page.

उपकरण खोलें

Apache/Nginx Access Log Parser

सक्रिय

Parse access logs into tables and top lists. The result stays on this page.

उपकरण खोलें

Unix Timestamp Converter

सक्रिय

Converts epoch timestamps to dates across time zones. The result stays on this page.

उपकरण खोलें

Time Zone Converter for Admins

सक्रिय

Convert maintenance windows across time zones. The result stays on this page.

उपकरण खोलें

गाइड

Pillar guides for this desk. Published supporting pages are linked from the pillar they belong to.

Linux Users & Permissions

Scheduling & Job Automation

systemd & Services

Linux Command Builders

Shell Scripting & Text Processing

Storage, Filesystems & RAID

Linux Performance & Troubleshooting

Logs & Time

Windows Server & PowerShell

Active Directory & Identity

Group Policy & Windows Security

Web Servers & Hosting

Virtualization

Backup & Recovery

Mail Server Administration

Package & Patch Management

Server Hardware & Sizing

Developer & Data Utilities

Reference & Lookup

Windows Server Roles

macOS Administration

Provisioning & Config Management

Career & Certification

Linux Distro Guides

Web Server Guides

Migrations & Audits