Sysadmin

Generate Apache .htaccess rules online with presets for redirects, headers, caching, access control, and exports for safer staging review and deployment prep.

Estimate online backup capacity from change rate, retention, growth, copy tiers, and reserves to plan repository purchases before space runs short.

Plan backup rotation online with daily, weekly, monthly, and yearly retention assumptions to size storage, compare policies, and judge recovery horizon.

Estimate Ceph storage capacity online across replication and erasure-coded layouts with headroom, spread, and PG planning for safer cluster sizing.

Analyze online cloud tag coverage from pasted inventory CSV, required tag rules, value checks, target gates, and remediation queues for FinOps audit handoffs.

Calculate online container image pull time from image size, cache share, node count, bandwidth, pull lanes, and unpack speed for rollout planning.

Generate online crontab entries from five-field schedules or supported @macros, then check readable timing, warnings, and copy-ready output for cron setup.

Calculate online DHCP scope capacity from subnet, pool, exclusions, reservations, and growth so admins can spot lease pressure before users are blocked.

Lookup DNS records online for a domain or IP, inspect TTL and DNSSEC response signals, and export clean tables or charts for troubleshooting.

Generate Filebeat Grok patterns online from sample log lines, map ECS-style fields, and export ingest pipeline JSON for faster parser review and deployment.

Calculate GlusterFS volume capacity online across distributed, replicated, arbiter, and dispersed layouts to plan safer fill targets, set geometry, and recovery headroom.

Convert online IOPS, throughput, and daily volume with block size, active windows, ceilings, and reserve checks for storage migration sizing plans.

Plan IPv4 subnet allocations online from a parent CIDR block, size each segment by host demand, and export clear address plans for rollout worksheets.

Convert online IPv6 addresses between compressed, expanded, dotted-tail, hextet, binary, and reverse DNS views for cleaner reviews and documentation.

Calculate online IPv6 subnet ranges, canonical CIDR, reverse-DNS zones, special-address warnings, target prefixes, and EUI-64 samples for allocation planning.

Calculate IPv4 subnets online from CIDR or dotted masks, inspect host ranges, wildcard math, and VLSM split plans before allocating network space.

Calculate IPv4 subnet splits online from any address in a parent block, compare equal child CIDR options, and export rollout-ready subnet ledgers.

Estimate online Kubernetes replica capacity from allocatable node resources, pod requests, rollout surge, PDB limits, and failure cases for safer scaling.

Calculate online network throughput from link speed, RTT, TCP window, packet loss, and transfer size to plan bottlenecks, tuning moves, and copy time.

Build online Bash PS1 prompts from ordered shell tokens, colors, import parsing, setup notes, and exports for readable terminal and SSH workflows.

Calculate online RAID performance from drive groups, workload mix, write penalty, targets, and rebuild assumptions to size storage headroom.

Calculate online RAID reliability from AFR, rebuild delay, URE rate, spares, refresh cycles, and layout choices to compare fleet data-loss risk before rollout.

Calculate online RAID sizing from layout, drive count, spares, fill target, chassis limits, rebuild exposure, and growth paths for storage planning.

Calculate RAID capacity online for RAID 0, 1, 5, 6, 10, 50, and 60 with spares, mixed disks, reserves, and rebuild estimates for safer array planning.

Calculate online SSD endurance from DWPD/TBW ratings, write workload, SMART counters, reserve, derating, and growth scenarios for replacement planning.

Edit SSH client config online to review host blocks, compare changes, flag risky directives, and rebuild cleaner connection profiles for safer server access

Convert SSH public keys online between OpenSSH, SSH2, and PEM formats while checking fingerprints, comments, and key details for safer server handoffs.

Extract SSH public keys online from OpenSSH or RSA private keys and public key lines, then review fingerprints and build an authorized_keys entry.

Analyze online syslog severity mix from pasted lines or LOG/TXT files, flag error share, and rank noisy emitters for faster collector triage.

Convert online storage capacity labels across TB, TiB, GB, and GiB with byte-true equivalents, pair gaps, and procurement-ready drive checks for quotes.

Calculate online VM datastore capacity from disk use, snapshots, growth, reserve, swap, and protection policy to size usable targets and raw storage plans.

Calculate online virtualization host capacity from host counts, vCPU, memory, failover reserves, placement checks, and growth targets to plan safe expansion.

Plan online IPv4 subnet splits with visual ranges, host counts, and exportable tables for clearer VLAN, ACL, and handoff-ready allocation reviews.

Estimate online WAN latency from route distance, fiber speed, hops, queues, jitter, and RTT targets to plan circuits, regions, and app placement.

Decode online WWN and NAA identifiers from SAN text, device paths, and hex tokens to verify shape, company ID, candidate choice, and next checks.

Detect web server software online from response headers and redirect hops, then review confidence, ranked candidates, and origin hints for faster stack triage.

Calculate online ZFS capacity from vdev layout, disk size, reserves, RAID-Z padding, slop space, and target paths for safer pool purchases and growth planning.

Calculate chmod modes online from Unix permission bits, symbolic edits, baselines, and umask outcomes so safer file and directory commands are easier to review.