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Vladimir Chemeris

Independent developer building native network tools for iPhone, iPad, Mac, and Android. I write about iperf3, Wi-Fi, and LAN diagnostics. https://iperf3app.com/

Joined Joined on  Personal website https://chama.pro/ twitter website

Work

Independent software developer

Inside a 9.8 GB Xcode Simulator: Apps Took 350 MB
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Inside a 9.8 GB Xcode Simulator: Apps Took 350 MB

#xcode #ios #macos #devtools
Comments
3 min read

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Where 51 GB of Xcode simulator storage went on my Mac
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Where 51 GB of Xcode simulator storage went on my Mac

#xcode #ios #macos #devtools
Comments 6
3 min read
Why Your MQTT TLS Connection Fails, Stage by Stage
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Why Your MQTT TLS Connection Fails, Stage by Stage

#mqtt #iot #tls #debugging
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6 min read
ClickHouse "Too many parts": what to check before you run OPTIMIZE FINAL
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ClickHouse "Too many parts": what to check before you run OPTIMIZE FINAL

#sre #clickhouse #database #devops
Comments
7 min read
Why iperf3 Says “Bad File Descriptor” and What to Check First
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Why iperf3 Says “Bad File Descriptor” and What to Check First

#debugging #networking #tutorial #performance
Comments 2
3 min read
Measuring real LAN speed from a phone with iperf3
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Measuring real LAN speed from a phone with iperf3

#networking #ios #android #homelab
Comments
4 min read
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