https://metebalci.com/Recent content at metebalci.comMon, 11 May 2026 00:00:00 +0000https://metebalci.com/mb.pnginfo@metebalci.com (Mete Balci)Hugo -- gohugo.ioCopyright © 2017-2026 Mete Balcihttps://metebalci.com/blog/state-of-supercomputers-around-the-world-in-2026/An update to the 2024 post, based on the November 2025 TOP500 list and the IMF October 2025 World Economic Outlook (2026 forecast).info@metebalci.com (Mete Balci)Mon, 11 May 2026 00:00:00 +0000https://metebalci.com/blog/how-to-build-ghdl-on-apple-m/Steps to build GHDL on Apple M silicon.info@metebalci.com (Mete Balci)Sun, 17 Aug 2025 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-tutorial-of-pdf-with-pdfsh/What is a PDF file ?info@metebalci.com (Mete Balci)Fri, 11 Oct 2024 00:00:00 +0000https://metebalci.com/blog/using-a-pico2-rp2350-without-the-pico-sdk-build-system/How to develop a C application for Pico 2 and RP2350 without the Pico SDK build systeminfo@metebalci.com (Mete Balci)Wed, 11 Sep 2024 00:00:00 +0000https://metebalci.com/blog/lustre-2.15.4-on-rhel-8.9-and-ubuntu-22.04/How to install Lustre 2.15.4 on RHEL 8.9 as a server and Ubuntu 22.04 as a client.info@metebalci.com (Mete Balci)Fri, 12 Apr 2024 00:00:00 +0000https://metebalci.com/blog/state-of-supercomputers-around-the-world/info@metebalci.com (Mete Balci)Sat, 06 Apr 2024 00:00:00 +0000https://metebalci.com/blog/the-analog-thing/A short review of the Analog Thing.info@metebalci.com (Mete Balci)Fri, 05 Jan 2024 00:00:00 +0000https://metebalci.com/blog/thoughts-on-mcu/embedded-register-and-field-access-patterns/info@metebalci.com (Mete Balci)Thu, 21 Dec 2023 00:00:00 +0000https://metebalci.com/blog/solution-to-load-segment-with-rwx-permissions-warning-with-cmsis/A describe my solution to the warning, load segment with RWX permissions, when using CMSIS linker script.info@metebalci.com (Mete Balci)Sat, 11 Nov 2023 00:00:00 +0000https://metebalci.com/blog/demystifying-arm-cortex-m33-bare-metal-compile-assembly-and-link/A description of the build and the link settings of a Cortex-M33 bare metal application.info@metebalci.com (Mete Balci)Wed, 01 Nov 2023 00:00:00 +0000https://metebalci.com/blog/pm2.5-and-voc-emission-in-3d-printing/A basic experiment at home measuring the PM2.5 and VOC emissions of 3D printing.info@metebalci.com (Mete Balci)Wed, 18 Oct 2023 00:00:00 +0000https://metebalci.com/blog/demystifying-arm-cortex-m33-bare-metal-startup/Explaining what happens after a reset in Cortex-M33.info@metebalci.com (Mete Balci)Fri, 13 Oct 2023 00:00:00 +0000https://metebalci.com/blog/tape-backup-for-truenas-core/How to backup TrueNAS Core to a tapeinfo@metebalci.com (Mete Balci)Mon, 02 Oct 2023 00:00:00 +0000https://metebalci.com/blog/demystifying-arm-gnu-toolchain-specs-nano-and-nosys/A detailed overview of nano and nosys specs in Arm GNU Toolchain.info@metebalci.com (Mete Balci)Tue, 19 Sep 2023 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-introduction-to-esa-euclid-mission/Euclid is a pretty amazing space mission like many others. I challenge myself in this post, and I try to explain the Euclid mission. By using the Euclid mission as an example, I hope to say something new for anybody reading this post.info@metebalci.com (Mete Balci)Sun, 09 Jul 2023 00:00:00 +0000https://metebalci.com/blog/measuring-the-power-consumption-of-an-arm-cortex-m0-mcu-stm32f072/This post is about power management, sleep modes and actual measured power consumption of an ARM Cortex-M0 processor. I will first give brief technical information regarding ARM Cortex-M0 and STM32F072 power management. Then, I will show the code examples and the current measurements.info@metebalci.com (Mete Balci)Tue, 27 Jun 2023 00:00:00 +0000https://metebalci.com/blog/cadr-lisp-machine-and-cadr-processor/A description of MIT CADR LISP Machine, CADR Processor and CADR emulator usiminfo@metebalci.com (Mete Balci)Thu, 15 Jun 2023 00:00:00 +0000https://metebalci.com/blog/alpha-and-tru64-in-2023/I have purchased an AlphaServer DS10, and I describe how to start using this computer.info@metebalci.com (Mete Balci)Sat, 20 May 2023 00:00:00 +0000https://metebalci.com/blog/installing-openssh-on-tru64-40f/How to install OpenSSH server on Tru64 UNIX 4.0Finfo@metebalci.com (Mete Balci)Mon, 15 May 2023 00:00:00 +0000https://metebalci.com/blog/adventures-with-lto-in-2023/I started using an LTO-5 drive for personal backups. I described the pros and cons in this post.info@metebalci.com (Mete Balci)Thu, 23 Mar 2023 00:00:00 +0000https://metebalci.com/blog/dpdk-22-11-on-apu4d4-ubuntu-22-04/How to use DPDK 22.11 and TRex on PC Engines apu4d4 running Ubuntu 22.04.info@metebalci.com (Mete Balci)Tue, 10 Jan 2023 00:00:00 +0000https://metebalci.com/blog/studying-ethernet-layer-1/Studying Ethernet Physical Layer 1info@metebalci.com (Mete Balci)Tue, 10 Jan 2023 00:00:00 +0000https://metebalci.com/blog/building-dpdk-22-11-with-mlx4-on-ubuntu-22-04/The steps to build DPDK 22.11 with mlx4 driver on Ubuntu 22.04. Also which version of Trex to use.info@metebalci.com (Mete Balci)Thu, 22 Dec 2022 00:00:00 +0000https://metebalci.com/blog/a-note-on-dhcpv6-duid-and-prefix-delegation/A note and clarification regarding to use of DHCPv6 DUID and prefix delegationinfo@metebalci.com (Mete Balci)Sat, 19 Nov 2022 00:00:00 +0000https://metebalci.com/blog/choosing-a-plc-for-experimentation/How to choose a PLC for experimentation. Quick summary of SIMATIC S7-300.info@metebalci.com (Mete Balci)Sat, 05 Nov 2022 00:00:00 +0000https://metebalci.com/blog/s7-314-response-time/A simple measurement of CPU 314 response time.info@metebalci.com (Mete Balci)Fri, 04 Nov 2022 00:00:00 +0000https://metebalci.com/blog/mods-and-fixes/A list of small mods and fixes I made.info@metebalci.com (Mete Balci)Sat, 22 Oct 2022 00:00:00 +0000https://metebalci.com/blog/rega-rp3/Notes about some upgrades I made to Rega RP3 turntable.info@metebalci.com (Mete Balci)Sat, 22 Oct 2022 00:00:00 +0000https://metebalci.com/blog/epyc-energy-consumption-test/Here are some energy consumption tests I performed with AMD EPYC 7313P.info@metebalci.com (Mete Balci)Fri, 29 Apr 2022 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-example-of-debian-packaging-and-launchpad-ppa-hellodeb/A very basic but complete Debian packaging tutorial with a sample project.info@metebalci.com (Mete Balci)Sun, 24 Apr 2022 00:00:00 +0000https://metebalci.com/blog/review-qnap-qsw-mseries/Very short review of QNAP QSW M series 10G switchesinfo@metebalci.com (Mete Balci)Thu, 14 Apr 2022 00:00:00 +0000https://metebalci.com/blog/supermicro-h12ssl-numa/AMD EPYC 7313P and Supermicro H12SSL NUMA Topologyinfo@metebalci.com (Mete Balci)Fri, 08 Apr 2022 00:00:00 +0000https://metebalci.com/blog/home-lab-server-2022/A home lab server build with AMD EPYC.info@metebalci.com (Mete Balci)Mon, 04 Apr 2022 00:00:00 +0000https://metebalci.com/blog/qnap/Best practices on using a QNAP NAS for advanced home users.info@metebalci.com (Mete Balci)Wed, 05 Jan 2022 00:00:00 +0000https://metebalci.com/blog/how-a-nic-rx-works/Explaining how a NIC works on Linux and also testing the packet per second throughput of PC Engines apu4d4info@metebalci.com (Mete Balci)Sun, 25 Jul 2021 00:00:00 +0000https://metebalci.com/blog/install-and-configure-dpdk-on-pcengines-apu4d4/How to install and configure Data Plane Development Kit (DPDK) on PC Engines apu4d4info@metebalci.com (Mete Balci)Mon, 19 Jul 2021 00:00:00 +0000https://metebalci.com/blog/upgrading-the-home-network-to-10g/How I upgraded my home network to 10G ?info@metebalci.com (Mete Balci)Mon, 05 Jul 2021 00:00:00 +0000https://metebalci.com/blog/sd24/Tektronix SD-24 Teardowninfo@metebalci.com (Mete Balci)Thu, 15 Apr 2021 00:00:00 +0000https://metebalci.com/blog/z0-probe/a Z0 probe experimentinfo@metebalci.com (Mete Balci)Wed, 23 Dec 2020 00:00:00 +0000https://metebalci.com/blog/stm32h7-gpio-toggling/Experiments with GPIO toggling in STM32H7info@metebalci.com (Mete Balci)Mon, 07 Dec 2020 00:00:00 +0000https://metebalci.com/blog/hello-trustzone/This is an explanation of a simple TrustZone enabled program on ARM Cortex-M33.info@metebalci.com (Mete Balci)Mon, 02 Nov 2020 00:00:00 +0000https://metebalci.com/blog/heartbeat-fault-detector-for-intranet/Do you need a heartbeat based fault detector system for your intranet ?info@metebalci.com (Mete Balci)Thu, 08 Oct 2020 00:00:00 +0000https://metebalci.com/blog/single-point-calibration-accuracy/How accurate is a single point calibration ?info@metebalci.com (Mete Balci)Sat, 08 Aug 2020 00:00:00 +0000https://metebalci.com/blog/making-pinhole-lens/This is how I made a pinhole lens.info@metebalci.com (Mete Balci)Thu, 25 Jun 2020 00:00:00 +0000https://metebalci.com/blog/shutter-lag-fuji-xh1-sony-a7r2/I have measured the shutter lag of Fuji X-H1 and Sony A7RII using StopShot.info@metebalci.com (Mete Balci)Sun, 17 May 2020 00:00:00 +0000https://metebalci.com/blog/measuring-the-resolution-of-fuji-x-t2/Here is a measurement of the resolution of Fuji X-T2.info@metebalci.com (Mete Balci)Wed, 06 May 2020 00:00:00 +0000https://metebalci.com/blog/measuring-thorlabs-p300d/Pinhole diameter measurement of Thorlabs P300Dinfo@metebalci.com (Mete Balci)Tue, 05 May 2020 00:00:00 +0000https://metebalci.com/blog/measuring-light-for-indoor-plants/Can I grow tomatoes indoors ? What about lettuce ? I measured the indoor light conditions in this post.info@metebalci.com (Mete Balci)Wed, 22 Apr 2020 00:00:00 +0000https://metebalci.com/blog/rtb2004/If you are looking for an oscilloscope, I wrote why I chose RTB2004.info@metebalci.com (Mete Balci)Fri, 13 Mar 2020 00:00:00 +0000https://metebalci.com/blog/software-reaction-time-introduction/How to measure the latency of software interacting with the real world ?info@metebalci.com (Mete Balci)Wed, 11 Mar 2020 00:00:00 +0000https://metebalci.com/blog/efficient-multi-language-typing-on-windows/A method for efficiently typing English, German and Turkish in Windows.info@metebalci.com (Mete Balci)Sun, 23 Feb 2020 00:00:00 +0000https://metebalci.com/blog/microbit-gpio-toggling/I found the maximum possible GPIO toggling frequency in micro_bit.info@metebalci.com (Mete Balci)Wed, 19 Feb 2020 00:00:00 +0000https://metebalci.com/blog/hello-ipv6/A short IPv6 tutorial, explaining the basics, primarily for home and small networks.info@metebalci.com (Mete Balci)Thu, 13 Feb 2020 00:00:00 +0000https://metebalci.com/blog/install-ubuntu-linux-with-pxe-and-serial-console/How to use PXE and serial console to install Ubuntu Linux onto an embedded computer without a display.info@metebalci.com (Mete Balci)Fri, 07 Feb 2020 00:00:00 +0000https://metebalci.com/blog/flash-duration-godox-v1/I have measured the flash duration of Godox V1 with Sekonic exposure meter.info@metebalci.com (Mete Balci)Tue, 04 Feb 2020 00:00:00 +0000https://metebalci.com/blog/cardless-rpi4/I explain how to use network boot in Raspberry Pi 4, and using it without an SD card.info@metebalci.com (Mete Balci)Mon, 03 Feb 2020 00:00:00 +0000https://metebalci.com/blog/temperature-monitoring-with-rpi/I used different IC sensors with Raspberry Pi to monitor temperature in the fridge continously.info@metebalci.com (Mete Balci)Thu, 30 Jan 2020 00:00:00 +0000https://metebalci.com/blog/color-rendering-quality-aputure-amaran-al-f7/info@metebalci.com (Mete Balci)Wed, 06 Nov 2019 00:00:00 +0000https://metebalci.com/blog/what-is-inside-a-camera-lens/I take apart a manual focus lens.info@metebalci.com (Mete Balci)Wed, 21 Aug 2019 00:00:00 +0000https://metebalci.com/blog/fujifilm-ef-x20-flash-duration-measured-with-sekonic-l-858d/I have measured the flash duration of EF-X20 with Sekonic exposure meter.info@metebalci.com (Mete Balci)Thu, 18 Jul 2019 00:00:00 +0000https://metebalci.com/blog/bare-metal-rpi3-programming/How to write a bare metal 64-bit program for Raspberry Pi 3B+info@metebalci.com (Mete Balci)Mon, 13 May 2019 00:00:00 +0000https://metebalci.com/blog/bare-metal-raspberry-pi-3b-jtag/Using JTAG with Raspberry Pi 3B+info@metebalci.com (Mete Balci)Sat, 23 Mar 2019 00:00:00 +0000https://metebalci.com/blog/bare-metal-rpi3-network-boot/How does the Raspberry Pi 3B+ boot from network ?info@metebalci.com (Mete Balci)Fri, 22 Mar 2019 00:00:00 +0000https://metebalci.com/blog/a-quick-tour-of-guid-partition-table-gpt/A summary of GUID Partition Table, GPT.info@metebalci.com (Mete Balci)Mon, 04 Mar 2019 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-tutorial-of-dnssec/A small but complete tutorial of how DNSSEC works.info@metebalci.com (Mete Balci)Thu, 21 Feb 2019 00:00:00 +0000https://metebalci.com/blog/a-map-of-ietf-rfcs-with-d3.js/A visualization of obsoleted and updated RFCs.info@metebalci.com (Mete Balci)Mon, 17 Dec 2018 00:00:00 +0000https://metebalci.com/blog/a-short-practical-tutorial-of-dig-dns-and-dnssec/Here is a very short practical introduction to dig, DNS and DNSSEC.info@metebalci.com (Mete Balci)Thu, 13 Dec 2018 00:00:00 +0000https://metebalci.com/blog/digging-into-jep-280-indify-string-concatenation/How does String concatenation work in Java ? An example of invokedynamic.info@metebalci.com (Mete Balci)Wed, 05 Dec 2018 00:00:00 +0000https://metebalci.com/blog/spin-wait-hints-in-java/What is a spin loop ? How to use spin-wait hints in Java.info@metebalci.com (Mete Balci)Tue, 04 Dec 2018 00:00:00 +0000https://metebalci.com/blog/everything-about-javas-securerandom/All you want to know about SecureRandom in Java.info@metebalci.com (Mete Balci)Wed, 28 Nov 2018 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-tutorial-of-cpu-power-management-c-states-and-p-states/I describe how the CPU saves power, including the C-states and the P-states.info@metebalci.com (Mete Balci)Tue, 16 Oct 2018 00:00:00 +0000https://metebalci.com/blog/keeping-track-of-personal-linux-customization-with-git/How I keep track of all the changes I make on my Linux Desktop.info@metebalci.com (Mete Balci)Tue, 08 May 2018 00:00:00 +0000https://metebalci.com/blog/using-u2f-at-linux-login/Ubuntu Linux setup for using a hardware FIDO U2F key.info@metebalci.com (Mete Balci)Tue, 08 May 2018 00:00:00 +0000https://metebalci.com/blog/efficient-multi-language-typing-on-linux/A method for efficiently typing English, German and Turkish in Linux.info@metebalci.com (Mete Balci)Mon, 15 Jan 2018 00:00:00 +0000https://metebalci.com/blog/a-minimum-complete-tutorial-of-linux-ext4-file-system/This is a complete tutorial for understanding the basics of Linux ext4 file system.info@metebalci.com (Mete Balci)Fri, 25 Aug 2017 00:00:00 +0000https://metebalci.com/blog/a-quick-tour-of-nvm-express-nvme/A summary of how NVM Express, NVMe, works.info@metebalci.com (Mete Balci)Thu, 24 Aug 2017 00:00:00 +0000https://metebalci.com/blog/a-very-short-vi-session-with-strace/A very short example of strace with vi.info@metebalci.com (Mete Balci)Wed, 09 Aug 2017 00:00:00 +0000https://metebalci.com/blog/demystifying-the-jvm-jvm-variants-cppinterpreter-and-templateinterpreter/What are the JVM Variants and two different interpreters in OpenJDK JVM.info@metebalci.com (Mete Balci)Fri, 27 Jan 2017 00:00:00 +0000https://metebalci.com/blog/demystifying-the-jvm-interpretation-jit-and-aot-compilation/The difference between interpreter, JIT and AOT in Java.info@metebalci.com (Mete Balci)Sun, 22 Jan 2017 00:00:00 +0000