email Sendmail (or Mail) with subject on a single line Quick reference on how to use `sendmail` or `mail` from the command line to send to multiple recipients, with subject and body in a one-liner.
trivial MySQL server without root Can you install MySQL without admin/root access to your machine? Yes you can!
backup Storage Spaces with parity, very slow writes. Solved! You've set up Windows Storage Spaces with parity only to find that writing performance is ridiculous? It's all in the layers.
utilities HTCondor, install and configure as non-root HTCondor is an incredible job scheduler. It runs on Mac, Linux and Windows and can harness your CPU idle cycles.
hardware Ryzen cooldown, finally! Ryzen is a beast of a processor. This is a rundown of how I eventually fixed its thermal profile, keeping it both hot and cold.
life hack Infant Optics DXR-8 proper antenna! A Sunday spring breeze. Your toddler just fell asleep. You get ready for some peace and quiet only to find out that the baby-monitor broke. Fix it? Nah. Hack it!
crypto currencies The hitchhiker's guide to NFTs Grimes made 6M in 20 minutes selling NFT art. A couple of days latter Beeple steamrolled it with its 69M sale of "Everydays". NFTs have exploded, but what exactly are they?
benchmark Battle of the Browsers, a benchmark of Brave, Chrome Firefox and Edge If you think about it, the browser is probably the software you spend most time on.
utilities When numbers get too big! Tesla invested 1.5B in BTC. Amazon had 100B profits in 2020. Chuck Norris has an estimated 70 M net worth. When numbers get very large, they become abstract.
crypto currencies Is Bitcoin a store of value? There's been a lot of talk recently over switching to BTC from fiat money, as cryptocurrencies are now a store of value. Is this actually true? Depends.
crypto currencies Bitcoin, how does it work? The current trend is to dumb down the mechanics of Bitcoin behind multiple levels of abstraction. Here we explore how it actually works without generalizing too much.
hack LG Washer keeps dropping wifi connection, solved! * April 2021 edit (six months without issue) * August 2021 edit (finally crashed!) * November 2022 edit (minor flood) * March 2024 update (new sensors) After a dreadful experience with a Bosh dishwasher
utilities SystemRescueCD 6.1.x and SSHD Your hard-drive's dying as soon as it gets out of the factory. Bit by bit, sector by sector. Don't postpone backups, but when disaster strikes, SystemRescueCD may go a long way!
java Java and how to deal with the singular plural form Plurals look easy. One hand, two hands. And then you stumble on apophonic plurals, and one foot becomes two feet.
Google Picasa, if it ain't broke... For my personal taste Google hit the absolute sweet spot with Picasa: * light on resources * snappy * didn’t mess with original images * stored modifications in a sensible way * amazing face detection So much so that I never looked back. I must confess that every
Gigabyte AM4 - X570 AORUS Pro crashes on sleep I’ve recently upgraded my workstation: * Motherboard Gigabyte SktAM4 – X570 AORUS PRO * AMD Ryzen 5 3600 3.6Ghz HexaCore SktAM4 * RAM 2x 16GB (32GB) DDR4 Kingston CL16 3200Mhz HyperX FURY RGB Black * GPU Asus GeForce® RTX 2060 DUAL EVO ADVANCED 6GB * SSD Samsung 970
Cygwin Created File - Cannot Delete If you open permissions on a file or folder and get this message: Permissions Are Incorrectly Ordered And if you list files in Cygwin and the user:group looks like this: [waste@server /cygdrive/e/folder_with_bad_permissions]# ll total 172K drwxr-x---+ 1
java Maven, Ant and sbt, how to pull from a local SSL repo? Learn how to configure Java to work with your internal self-signed SSL certificate and configure Maven, Ant+Ivy and sbt to pull from the local SSL repository.
ssl Apache Archiva behind HAProxy with SSL termination Apache Archiva is free open-source build artifact repository.
ssl SSL for company internal services A quick guide on how to create valid SSL certificates for your internal servers and put them to use within Spring Boot or HAProxy.
