Linux news
Flatpak vs Snap for desktop apps in 2026
The “Snap is slow, Flatpak is fast” verdict on the front page of most search results was measured on spinning disks before snapd switched its default.
Inside ext4 Journaling and fsync: Why Databases Stall
Databases stall on ext4 fsync() because the call can turn into a wait graph: dirty file data, delayed allocation, an ext4/JBD2 journal commit, and a.
Inside systemd-resolved’s split DNS: how routing domains and search lists choose an upstream
By Anya Tanaka For every query that reaches systemd-resolved, an ordered procedure decides which interface — and therefore which upstream — handles it.
K3s vs MicroK8s on Raspberry Pi 5: Single-Node RAM Footprint and Cold-Boot Time
By Kofi Mensah On a single-node Raspberry Pi 5 8GB with both distros stripped to zero default add-ons, k3s holds idle RAM roughly 150–250 MB below.
CVE-2026-1974: sshd PID 1 Panic on Alpine 3.20 Containers
As of: March 28, 2026 — CVE-2026-1974 Minimal Alpine container images that run OpenSSH’s sshd directly as PID 1 can hit a process-reaping failure that.
resolvectl status Shows No ~. Default Routing Domain After wg-quick Table=off on Ubuntu 24.04.1
Run wg-quick up wg0 on Ubuntu 24.04.1 with Table = off in your config, then check resolvectl status wg0 . The block lists your DNS server, maybe an.
Btrfs Send/Receive Broke After Kernel 6.11: Here’s the Fix
If you upgraded from kernel 6.10 to 6.11 and your nightly btrfs send | btrfs receive pipeline started throwing ERROR: cannot find parent subvolume or.