KDP categories · Top KDP authors
Ren Amahoshi: Amazon KDP author data
As of Nov 6, 2026, Ren Amahoshi has 21 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #10), mostly in Linux & UNIX Administration, Unix, System Administration.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $12.99 – $12.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 11 |
| Breakout books (30 days) | 7 |
What stands out
- 52% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.99, 58% below the median of their main category, Linux & UNIX Administration.
- 11 new books in the last 30 days, 7 of them broke into a Best Sellers list.
Ren Amahoshi's best-ranked books
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Networking & Firewalls at Home : Build Secure, High-Performance Home Networks with OPNsense, pfSense, VLANs, Wi-Fi 7, WireGuard, Tailscale, Zero Trust, Proxmox, Docker, NAS, and Smart Home
by Ren Amahoshi
- Price$12
- Reviews-
-
Tailscale in Production: Build Secure Zero-Trust Networks with WireGuard, Headscale, Docker, Kubernetes, Proxmox, Cloud Infrastructure, GitOps, AI Services, and Enterprise Remote Access
by Ren Amahoshi
- Price$28
- Reviews-
-
BUILDING SECURE NETWORKS WITH OPENWRT : A Practical Guide to VLANs, Firewall4, nftables, WireGuard, Wi-Fi, DNS Security, SQM, VPNs, and IoT Isolation
by Ren Amahoshi
- Price$12
- Reviews-
-
Tailscale in Production : Build Secure Zero-Trust Networks with WireGuard, Headscale, Docker, Kubernetes, Proxmox, Cloud Infrastructure, GitOps, AI Services, and Enterprise Remote Access
by Ren Amahoshi
- Price$11
- Reviews-
-
MODERN LINUX PERFORMANCE ANALYSIS: Diagnose CPU, Memory, Storage, Networking, Kernel, Containers, and Application Bottlenecks with perf, eBPF, bpftrace, Flame Graphs, Observability, and Benchmarking
by Ren Amahoshi
- Price$12.99
- Reviews-
-
LINUX BOTTLENECK ANALYSIS : Diagnose Slow Applications and Servers Across CPU, Memory, Disk, Networking, Filesystems, Processes, Containers, and Kernel Resources
by Ren Amahoshi
- Price$12.99
- Reviews-
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LINUX OBSERVABILITY AND PERFORMANCE : Monitor and Troubleshoot Servers with eBPF, perf, Prometheus, Grafana, System Metrics, Flame Graphs, Tracing, and Performance Profiling
by Ren Amahoshi
- Price$12.99
- Reviews-
-
CYBER-RESILIENT KUBERNETES BACKUPS : Protect Clusters from Ransomware, Data Loss, and Configuration Failure with Immutable Storage, Velero, etcd Backup, CSI Snapshots, and Restore Validation
by Ren Amahoshi
- Price$12.99
- Reviews-
- Published2026-10
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CEPH FOR PRIVATE CLOUDS : Build and Manage Distributed Storage with Proxmox, Kubernetes, OpenStack, RBD, CephFS, S3 Object Storage, and High Availability
by Ren Amahoshi
- Price$12.99
- Reviews-
- Published2026-10
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ENTERPRISE KUBERNETES DISASTER RECOVERY : Protect Mission-Critical Clusters with Velero, CSI Snapshots, etcd Recovery, Persistent Storage, GitOps Reconstruction, Multi-Site Failover, RTO/RPO Planning
by Ren Amahoshi
- Price$12.99
- Reviews-
- Published2026-10
Main categories
FAQ
How many books does Ren Amahoshi have on Amazon?
KDPTop tracks 21 of their books; 11 made an Amazon list in the last 30 days.
Which categories does Ren Amahoshi publish in?
Their books chart most often in Linux & UNIX Administration, Unix, System Administration.
How does Ren Amahoshi price their books?
The median price is $12.99; half of the books cost $12.99–$12.99.
Has Ren Amahoshi released new books recently?
11 new books in the last 30 days, 7 of which reached a Best Sellers list.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.