Mustafa ERBAY

System architect with 20+ years in infrastructure. Building burncpu.com — an open-source social network. Personal blog: mustafaerbay.com.tr · EN/TR.

Bursa, Türkiye Joined on May 9, 2026 mustafa@mustafaerbay.com.tr https://mustafaerbay.com.tr

Work

System architect · DevOps · Open-source builder

Mustafa ERBAY

Nov 8

I Set mmap_size to 8 GiB and Four Libraries Returned Two Numbers

#sqlite #performance #olcum #guide

15 min read

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Mustafa ERBAY

Nov 8

My Pages Say 4,107 Reactions; 123 of Them Are Real

#career #olcum #dersler #process

14 min read

Mustafa ERBAY

Nov 8

My Mac Advertises Five Services, All Five Carry My Name

#macos #olcum #mahremiyet #security

14 min read

Mustafa ERBAY

Nov 7

I Raised It from 1000 to 1001 and 286 Squeezes a Second Went to Zero

#linux #kernel #network #sysctl

13 min read

Mustafa ERBAY

Nov 6

I Import 11 Packages I Never Declared; Seven Vanish on an Upgrade

#node #dependency #olcum #devops

17 min read

Mustafa ERBAY

Nov 6

I Wrote Two CSPs, the One Being Enforced Isn't Mine

#security #nginx #astro #olcum

14 min read

Mustafa ERBAY

Nov 6

My Sitemap Says tr-TR, My Pages Say tr

#bloginfrastructure #measurement #seo #language

13 min read

Mustafa ERBAY

Nov 5

I Paid 74 GiB for Identical Bytes, 12.5 GiB Left on My Disk

#macos #apfs #depolama #olcum

12 min read

Mustafa ERBAY

Nov 5

I Annotated 3,583 Commits; the Clone Brought No Notes

#git #olcum #sistemyonetimi #devops

18 min read

Mustafa ERBAY

Nov 4

I Wrote the Rule Down; Nine of 3,580 Commits Follow It

#git #measurement #automation #softwarecareer

11 min read

Mustafa ERBAY

Nov 4

480 Mbit/s of Throughput, 291 ms of Latency Under Load

#network #measurement #macos #latency

12 min read

Mustafa ERBAY

Nov 4

I Read 1.5 GiB of Random Data — the Kernel Froze the Counter in v5.19

#linux #security #monitoring #sistemmimarisi

12 min read

Mustafa ERBAY

Nov 3

I Packed the Same Commit Twice, 200 Bytes Didn't Match

#git #cicd #devops #olcum

16 min read

Mustafa ERBAY

Nov 3

I Have 17 Workflows, Not One Runs on a Pull Request

#career #measurement #process #cicd

12 min read

Mustafa ERBAY

Nov 3

I Download 1.9 MB for a Three-Byte Answer, Every Minute

#measurement #bloginfrastructure #monitoring #honesty

16 min read

Mustafa ERBAY

Nov 2

I Cut 2,000 Flushes to Zero and fsync Still Returned Success

#linux #kernel #storage #ext4

14 min read

Mustafa ERBAY

Nov 2

I Asked for 499 Bytes, 51,101 Came Back

#nginx #cloudflare #performance #olcum

14 min read

Mustafa ERBAY

Nov 2

I Made 32 Promises. Of the 13 I Could Audit, 11 Are Open

#bloginfrastructure #measurement #technicaldebt #career

13 min read

Mustafa ERBAY

Nov 1

I Can't Reproduce 1,190 of My 1,386 Covers on This Machine

#macos #olcum #kisiselveri #blogaltyapisi

13 min read

Mustafa ERBAY

Nov 1

My Pool Has 4 Threads, DNS Gets 2

#node #dns #performance #linux

12 min read

Mustafa ERBAY

Oct 31

I Locked Node Into One Directory — Five Doors Stayed Open

#node #security #software #guide

17 min read

Mustafa ERBAY

Oct 31

I Closed 37 Alerts in 8.4 Hours; One Flaw Was Public 132 Days

#security #olcum #dependency #otomasyon

11 min read

Mustafa ERBAY

Oct 30

I Sat Down to Fix My Alt Text, 821 Diagrams Had No Name

#olcum #erisilebilirlik #blog #web

16 min read

Mustafa ERBAY

Oct 30

I Asked My Journal for 7 Days, It Kept 6 Days 18 Hours

#linux #systemd #observability #operations

16 min read

Mustafa ERBAY

Oct 30

I Gave the Same .env to Five Parsers — 4 of 24 Lines Agreed

#linux #docker #node #systemd

15 min read

Mustafa ERBAY

Oct 30

The Greatest Rival of Knowledge Is Confidence

1 min read

Mustafa ERBAY

Oct 29

Seven Runs Were Cancelled, My Alarm Knows One Word

#yazilimkariyeri #olcum #otomasyon #cicd

13 min read

Mustafa ERBAY

Oct 29

7 of My Extensions May Read Every Site, Withholding Defaults to Off

#macos #mahremiyet #izin #olcum

17 min read

Mustafa ERBAY

Oct 29

My Container Reported 128 KiB and Passed a 1.5 MB Argument List

#linux #kernel #docker #macos

14 min read

Mustafa ERBAY

Oct 28

Keepalive Is On by Default, 100 Requests Opened 200 Connections

#nginx #linux #network #performance

14 min read

Mustafa ERBAY

Oct 28

My Target Was 2,200 Words, My Gate Called 200 Enough

#yazilimkariyeri #olcum #process #otomasyon

12 min read

Mustafa ERBAY

Oct 27

I Audited My 71 Apps; Gatekeeper Doesn't Approve 12

#macos #security #olcum #life

13 min read

Mustafa ERBAY

Oct 27

I Set TCP_DEFER_ACCEPT to 10; 15 Seconds Later, an Empty Connection

#linux #tcp #network #cekirdek

14 min read

Mustafa ERBAY

Oct 27

PHP2Shell: Two Critical Remote Code Execution Flaws in PHP

#security #linux #devops #guide

5 min read

Mustafa ERBAY

Oct 27

My Check Passed Ten Times Locally, Failed Ten Over HTTP

#linux #cicd #devops #deployment

13 min read

Mustafa ERBAY

Oct 26

1,391 Tags Later, 931 Still Describe One Post Each

#career #olcum #otomasyon #yazilimkariyeri

10 min read

Mustafa ERBAY

Oct 26

The Updater Installed Outlook 83 Times, the Running Build Is Old

#macos #olcum #kisiselveri #guncelleme

11 min read

Mustafa ERBAY

Oct 26

My Clock Advertised 1 ms and Stepped Every 41 Nanoseconds

#linux #kernel #time #vdso

15 min read

Mustafa ERBAY

Oct 25

The 204,800 Everyone Copies Costs 295 MiB of Kernel Memory

#linux #cekirdek #container #olcum

10 min read

Mustafa ERBAY

Oct 25

My Runs Took 19 Hours, My Measurement Counted 58,530

#softwarecareer #measurement #automation #cicd

12 min read

Mustafa ERBAY

Oct 24

My Notification List Has 94 Rows, 25 Have No App Path

#macos #notification #mahremiyet #olcum

13 min read

Mustafa ERBAY

Oct 24

54 of My Apps Carry Intel Code; Two of Them Run It

#macos #applesilicon #olcum #disk

13 min read

Mustafa ERBAY

Oct 24

My Path Check Caught All Six Escapes, Then Let 24,378 Through

#linux #security #openat2 #olcum

14 min read

Mustafa ERBAY

Oct 23

I Documented 29 Keys, Three Systems Lean on One Token

#configuration #secretmanagement #technicaldebt #documentation

12 min read

Mustafa ERBAY

Oct 23

I Have 188 Packages, Brew Refuses to Read Two of Them

#macos #homebrew #olcum #dependency

13 min read

Mustafa ERBAY

Oct 23

I Broke the Thundering Herd, One Worker Took 99% of Connections

#linux #kernel #epoll #networking

13 min read

Mustafa ERBAY

Oct 22

I Moved the Binary Twelve Ways, Six Kept the File Capability

#linux #capabilities #security #docker

17 min read

Mustafa ERBAY

Oct 22

A 9 MiB Clone, Then Checkout Fetched 204 MiB More

#git #olcum #performance #partialclone

13 min read

Mustafa ERBAY

Oct 22

My Five TODOs Are 160 Days Old; Flutter Wrote the Two That Closed

#yazilimkariyeri #olcum #process #teknikborc

11 min read

Mustafa ERBAY

Oct 21

My Firewall Is Off, 42 of 55 Sockets Unreachable from the Network

#macos #security #guvenlikduvari #olcum

13 min read

Mustafa ERBAY

Oct 21

statx Said 512; the Kernel Only Went Direct at 4096

#linux #kernel #storage #filesystem

17 min read

Mustafa ERBAY

Oct 20

The File Was 99.98% Zeros and fallocate Freed Nothing

#linux #filesystem #ext4 #sysadmin

13 min read

Mustafa ERBAY

Oct 20

I Broke Six Rules, All Ninety-Three Tests Stayed Green

#yazilimkariyeri #olcum #process #otomasyon

13 min read

Mustafa ERBAY

Oct 20

Of My Unindexed Pages, 5,511 Trace Back to My Own Site

#searchconsole #measurement #seo #blogging

11 min read

Mustafa ERBAY

Oct 19

I Put Five Processes Under One Limit, the Kernel Killed One

#linux #kernel #cgroups #docker

14 min read

Mustafa ERBAY

Oct 19

I Queried Eight Subdomains. Seven Don't Exist. All Eight Answered.

#dns #dnssec #measurement #cloudflare

16 min read

Mustafa ERBAY

Oct 19

I Counted 37 Dead References; Only Three Actually Were

#yazilimkariyeri #dokumantasyon #olcum #git

13 min read

Mustafa ERBAY

Oct 18

313 Files Carry No Open Stamp, 50 of 87 Opened Within a Minute

#macos #measurement #spotlight #digitalorder

12 min read

Mustafa ERBAY

Oct 18

An Unrelated Rename Broke One in Five of My Hardened Opens

#linux #kernel #security #openat2

15 min read

Mustafa ERBAY

Oct 17

I Saved 65.9% on the Data I Trained On, 53.5% on Unseen Data

#zstd #compression #measurement #storage

16 min read

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Writing Debut

Akhouri Systems

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