Tag: linux

Access services on the host machine from inside a Docker container using host-gateway or host.docker.internal — no hardcoded IPs.

WebGL disabled or hardware acceleration broken? Force-enable it in Chrome and Firefox with the right flags and about:config tweaks.

Shell globbing breaks inside docker exec because of how args are parsed — here's how to pass wildcards and asterisks correctly.

Move Docker images between hosts without a registry using docker save and docker load — air-gapped deployments made simple.

The official, no-nonsense way to install Docker Engine on Ubuntu and Debian — repository setup, key import, and one command to verify it works.

Generate code documentation with Doxygen without installing it — run it from a Docker container and get HTML docs from any codebase.

io_uring slashes syscall overhead vs epoll and AIO. Covers the submission/completion queue model, liburing examples, security caveats, and when to skip it.

Bash tricks that save keystrokes — history expansion, brace expansion, process substitution, and the shortcuts your fingers will thank you for.

Find your Linux distro version, kernel version, and architecture with uname, lsb_release, /etc/os-release, and hostnamectl.

Disaster recovery for your Linux home lab — tiered backups, a restic script that actually runs, restore drills, and the gotchas that bite at 2 AM.

Fix 'Argument list too long' in bash when cp or rsync chokes on thousands of files — glob loops, find + xargs, and the ARG_MAX reason behind it.

Monitor Linux servers with htop, iostat, netstat, vmstat, and Prometheus — pick the right tool for CPU, memory, disk, and network issues.