Proving Backup Recovery: An Operator's Guide
Navigating Identity Platform Modernization: An Operator's Guide
Proactive Backup Recovery Validation: An Operator's Guide
The Script That Dies Quietly: `set -e`, Shell Arithmetic, and the Contracts Your Automation Owes You
The off-by-one transfer: when your batch manifest says one thing and your files say another
Resolving MySQL Connection Exhaustion
A practical incident response pattern for database connection exhaustion: confirm the failure, isolate the leaking client, and restore stability without guessing.
Restoring OpenVPN Authentication
When VPN logins fail, the real fault is often in SSSD, Kerberos, DNS, or time sync rather than the VPN service itself.
Restoring a Failed OpenVPN Service
An OpenVPN server refused to start after a maintenance window. Systemd kept retrying — masking a stale process holding the management port. How to diagnose restart loops.
VyOS as an Alternative for Routing and VPN Termination
For organisations running Cisco or Juniper primarily for routing and VPN termination, VyOS is a mature open source alternative — with a Junos-style CLI, Git-backed config history, and no licensing costs.
Why Open Source Independence Matters More Than Ever
A practical argument for reducing vendor lock-in, controlling infrastructure costs, and building migration plans that do not disrupt the business.