Latest Blog
Why Do Subtitles Trigger Transcoding When the Video Direct Plays?
Separates text and image subtitles, client support, audio interactions, burn-in behavior, and safer ways to preserve direct playback.
Why Do Container File Owners Change After Copying App Data?
An ownership diagnosis that separates displayed usernames from numeric IDs, copy behavior, container users, startup chown, namespaces, mounts, ACLs, and repair.
How Do You Stop Docker Logs From Filling a Host Boot Drive?
A log-growth recovery path for Docker JSON files, daemon defaults, service-level rotation, restart storms, debug output, journald, and app-native logs.
What Should You Check When a Self-Hosted App Opens Locally but Its API Cannot Be Reached?
An API-path diagnosis that separates a working page shell from wrong endpoints, proxy rewrites, missing auth, browser policy, TLS, and streaming failures.
Can You Change a Container’s Published Port Without Rebuilding Its Database?
A port-change workflow that separates host publishing from internal listeners, persistent database state, proxy routes, callbacks, and verification.
Why Does DNS Resolution Work on the Host but Fail Inside a Container?
A container DNS workflow that separates wrong resolver state from blocked port 53, internal loops, network isolation, reply NAT, and runtime regressions.
Why Does Hardware Transcoding Access Disappear After a Container Update?
A post-update test that separates missing GPU access from changed group IDs, runtime flags, driver mismatch, codec caches, and image regressions.
Can You Restore One Container Without Replacing the Whole App Stack?
A service-scoped restore path that preserves healthy containers while rebuilding one app from known configuration, consistent data, and verified dependencies.
