# canastra (blogs) — RSS Amplifier Recent posts from the 1 feeds in the RSS Amplifier directory that cover canastra. Page: Feed: --- ## [Delta Chat: encrypted chat with boring technology](https://www.kassner.com.br/en/2025/05/08/delta-chat-encrypted-chat-with-boring-technology/) _2025-05-08 · Rafael Kassner_ Hi, A couple of days ago I’ve heard about Delta Chat , and for once I got thrilled with some piece of technology again. At the surface it’s just a chat app to the likes of Telegram, Signal and WhatsApp. The exciting part, however, is that is uses plenty of open standards technology under the hood. It’s a chat app built on top the regular e-mail protocols, SMTP and IMAP, with a… ## [Resizing a LUKS-backed BTRFS RAID1 filesystem](https://www.kassner.com.br/en/2025/04/12/luks-btrfs-raid1-resize/) _2025-04-12 · Rafael Kassner_ Hi. After a series of hardware upgrades, I finally have 2x 2TB SDD for data on my NAS ! However, they are still configured with ~900GiB data partitions, and today it is time to expand it! Initial state The current disk layout is: # fdisk -l /dev/sda Disk /dev/sda: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: PNY CS900 2TB SS Sector size (logical/physical): 512 bytes / 512 bytes… ## [Home A-CI-stant](https://www.kassner.com.br/en/2025/03/23/home-a-ci-stant/) _2025-03-23 · Rafael Kassner_ Hi! For years I lurked in the Home Assistant channel of a community Discord, but never had much interest in it. Earlier this month I had some discount coupons in hand and decided that it was time to give it a go. I got Home Assistant, the ZBT-1 and one IKEA Inspelning and managed to make it control my balcony lights. In my opinion, the sun “device” in Home Assistant might be the most… ## [Internet via IPv6](https://www.kassner.com.br/en/2024/10/12/internet-via-ipv6/) _2024-10-12 · Rafael Kassner_ Hi! I know I’m late to the party, but with the IPv4 exhaustion now being expressed in monetary costs by VPS/Cloud providers, it is time to seek IPv6. My main use-case is to be able to reach servers exclusively over IPv6, so I don’t need to pay for IPv4 assignments if those servers will not serve direct public traffic (i.e.: database, storage and job servers). My home provider did have…