Hardware Archives - Igor Oseledko https://www.igoroseledko.com/category/sysadmin/hardware/ I know everything. Just not all at once... Sat, 24 Jan 2026 00:18:44 +0000 en-US hourly 1 Backup Options for Raspberry Pi https://www.igoroseledko.com/backup-options-for-raspberry-pi/ Sat, 24 Jan 2026 00:18:44 +0000 https://www.igoroseledko.com/?p=133691 Originally published January 25, 2020 @ 2:45 pmJust about every Raspberry Pi I used suffered the same fate: the micro SD card died. It is generally accepted that the expected lifespan of an SD card is around ten years of normal use. What’s “normal” use for an SD card? It is re-writable storage medium introduced […]

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]]> Affordable Linux Server https://www.igoroseledko.com/affordable-linux-server/ Fri, 16 Jan 2026 20:22:46 +0000 https://www.igoroseledko.com/?p=133663 Originally published January 18, 2020 @ 12:44 pmA friend asked me what server I would recommend to run Linux. Yes, a very broad query. After a few followup questions we’ve determined the server will be used to run VMs, or Apache, or a database, or maybe a mail server, or FTP. Right… This being a […]

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]]> Controlling Your Laptop’s Fan Noise https://www.igoroseledko.com/controlling-your-laptops-fan-noise/ Thu, 17 Apr 2025 18:39:43 +0000 https://www.igoroseledko.com/?p=134712 Originally published April 18, 2022 @ 12:43 pmDoes your laptop sound like a fully-loaded B-52 bomber going for a takeoff? I have a Dell XPS-15. These generally well-regarded machines are also known for making excessive cooling fan noise even when not under load. The issue is the “active” cooling scheme in Windows that kicks in […]

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]]> Dealing With Windows Power Plans https://www.igoroseledko.com/dealing-with-windows-power-plans/ Sun, 21 Apr 2024 07:18:15 +0000 https://www.igoroseledko.com/?p=135249 Windows OS is not my forte, so I’ll keep this brief. My new laptop has been annoying the hell out of me by suspending my external USB 3.1 disk every twenty seconds or so. This is the drive where I keep my PhotoShop cache, so you may imagine the inconvenience. Normally, you’d go to the […]

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]]> Clone Raspberry Pi SD to Larger Card https://www.igoroseledko.com/clone-raspberry-pi-sd-to-larger-card/ Wed, 31 Jan 2024 00:33:29 +0000 https://www.igoroseledko.com/?p=134368 Originally published January 30, 2021 @ 3:47 pmThis is more of a note to myself: every time I need to clone the RPi card, I end up googling things for an hour. The process is two-fold: clone the SD and resize the filesystem. Before you proceed, check out my earlier post about backup options for […]

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]]> Taking Linux Temperature https://www.igoroseledko.com/taking-linux-temperature/ Thu, 11 Jan 2024 15:24:12 +0000 http://www.igoroseledko.com/?p=132294 Originally published January 7, 2018 @ 10:41 pmJust some notes on setting up temperature monitoring and alerting on CentOS/RHEL running on HP ProLiant. The first step is to install lm_sensors: yum -y install lm_sensors sensors-detect sensors Now we need to install hddtemp package: yum -y install hddtemp for i in `fdisk -l 2>/dev/null | egrep […]

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