~/jcoffey$

Writing

Tagged “linux”

45 articles

  1. ihasmail Goes Immutable: No Volume, No Database, Nothing Left Behind

    Most "stateless" software still hides a config directory somewhere. ihasmail's IMMUTABLE=1 mode runs read-only with no volume at all — here's the trade-off, and two commands to verify it yourself.

    AGPLCloudNativeContainersDevOps

  2. Announcing ihasmail: a JMAP Webmail Built for Stalwart

    Mail, calendar, contacts, files and a visual Sieve builder — one JMAP protocol, credentials never in the browser. GPLv3, runs in a container, ships with a mock server so you can try it without touching real mail..

    DockeremailserverFOSSGPL

  3. Google Borg

    Before Kubernetes, Google ran everything on Borg — quietly, for over a decade. Here's how Docker forced its hand, and how it reshaped AWS, Azure, and VMware.

    AWSAzureCloudNativeCNCF

  4. A New Look for LINUXexpert.org

    We just shipped a full redesign — a dark-first, terminal-inspired look built for how sysadmins actually read. Same content, same URLs, better filtering, and the password generator is back.

    DarkModeDevOpsLinuxOpenSource

  5. Thirty-Three Years of Debian

    Debian turns 33 this August. A look at why the free, stable, community-governed OS still anchors the Linux world — and how to give back on Debian Day.

    APTDebianDebianDayDebianTurns33

  6. A Debian Veteran Tries CachyOS

    After more than 20 years using Debian as a daily desktop, I tried CachyOS on a System76 Pangolin Pro. I expected Arch elitism. I found speed, polish, gaming performance, and a surprisingly practical Linux desktop.

    AMD LinuxArch LinuxBlizzardCachyOS

  7. Perl, the Strange Language That Built the Early Web

    A deep dive into Perl’s history, its role in building the early web, and how it influenced modern programming languages, package ecosystems, and developer culture.

    apacheCGICPANEarly Web

  8. Iron Maiden: Cathedral, Bazaar, and the Unintentional University of Metal

    Eddie x Tux: a heavy-metal tribute to open source, GNU/Linux, and remix culture—where riffs teach, ideas spread, and hackers share back.

    attributionBrave New Worldcathedral and bazaarColeridge

  9. A Turn-Key, Hardened WireGuard Stack for Debian 13

    Deploy a production-ready WireGuard VPN with wg-easy, Caddy, Let’s Encrypt, UFW, fail2ban, unattended-upgrades, backups, health checks, and a TUI installer — all on Debian 13.

    backup-and-restorebasic-authcaddydebian

  10. When the Cathedral Ate the Bazaar: How Corporate Power Consumed Open Source

    Open source once thrived in the bazaar, but corporate consolidation, license changes, and platform lock-in have turned it into a cathedral. See how companies like IBM, Microsoft, HashiCorp, and Redis reshaped the…

    cathedral and bazaarElasticGitHubLibreOffice

  11. From Bash to Python

    A seasoned Linux System Engineer shares their journey from heavy BASH scripting to adopting Python for automation, showing side-by-side examples and clear advantages in readability, safety, and long-term maintainability.

    automationbashconfiguration managementcross-platform

  12. Everything You Should Know About Being a Linux Sysadmin, But Probably Don’t

    A sarcastic deep dive into the habits, tools, and unspoken rituals of veteran Linux sysadmins — from outdated commands we refuse to abandon to the culture clash with modern DevOps newcomers. A brutally honest take on…

    bashcommand lineDevOpsGatekeeping in Tech