Tmux handles pane splitting and window management well out of the box, but most people stop there. The real gains come from treating tmux as infrastructure. You script your session layouts so one command rebuilds your whole dev environment. You keep sessions alive across reboots so you never lose context. You add plugins for clipboard sync, fuzzy finding, and pattern matching. With tmux 3.6a and a few good plugins, your terminal becomes a persistent, scriptable IDE rather than a simple multiplexer.

A wildcard SSL cert for *.example.com from Let’s Encrypt covers every one-level subdomain. You get one through the DNS-01 challenge, or, since February 2026, through the new DNS-PERSIST-01 challenge that skips per-renewal DNS edits. One wildcard cert replaces the per-service certs you’d otherwise juggle behind your reverse proxy.

Why Wildcard Certificates and When You Need Them

If you run three subdomains, single certs work fine. Each one gets its own HTTP-01 challenge, Certbot handles renewal, and life is simple. Once you pass 10 or 15 subdomains, the chore list grows. Every new service needs its own cert request, its own renewal entry, and its own way to break. A wildcard cert folds all of that into one.

ZFS gives you stronger data integrity. Its RAIDZ layouts are battle-tested, it checksums data end to end, and it has a proven record on NAS systems. Btrfs is the better pick for single-disk desktops and laptops. It ties tightly into the Linux kernel, compresses data on the fly, and rolls back from snapshots. You get that protection without the RAM cost ZFS demands. The right answer depends on your hardware, your workload, and how many disks you have.

A fanless home server under $300 is real in 2026. Using an Intel N150 or N305 mini PC - the Beelink EQ12 Pro or GMK NucBox G3 - you get a passively cooled machine that draws 6-15W under load, makes zero noise, and handles a full stack of self-hosted services: Home Assistant, Jellyfin, Vaultwarden, Nextcloud, Immich, and a WireGuard VPN all running simultaneously without a single fan spinning.

For most Linux users in 2026, Podman is the better default choice. It has no daemon and runs rootless, so it drops the security risk of Docker’s root-level daemon. Its native systemd integration also means containers act like any other service on a modern Linux box. That said, Docker is the safer pick if your workflow leans on Docker Compose v2 plugins, Docker Desktop’s GUI and extensions, or tools that still assume the Docker socket API.

Sway is the most stable, battle-tested tiling compositor for developers who want an i3-like setup with zero surprises. Hyprland offers the flashiest animations and deepest customization. It also demands more tinkering. COSMIC from System76 is the best pick if you want a polished, full desktop with tiling built in, instead of stitching a compositor together by hand.

The right pick depends on how you actually work. How many monitors do you run? Do you want to set up everything by hand? How much patience do you have for the odd glitch? Those answers map straight to the splits across design, display handling, tiling models, plugins, and real-world stability.