CentOS 7 EOL and CentOS Stream: What Actually Changed
CentOS 7 hit end of life in 2024 while CentOS Stream replaced the old model. Retrace what changed, then audit and migrate every box still running it.
Linux7 min read
NetBay journal
Guides for operators
Practical guides for Linux, containers, CI/CD, self-hosting, and running VPS infrastructure from Netbay Engineering.
499 articles · 24 topics
AllLinuxLinux AdministrationWindowsLinux SecurityLinux NetworkingContainersContainers & OrchestrationKubernetesCI/CDGitHubSelf-HostingBackups & DataDatabasesApp DeploymentDNS & TLSObservabilityEmailAI AgentsAI InfrastructureAPI & AutomationProxiesCloud ArchitectureHardware & PerformanceDevOps Practices
Transactional Outbox Without Kafka on Postgres
Commit domain rows and an outbox event in one Postgres transaction so Redis never sees a job the database did not persist at that commit time.
Cloud Architecture8 min read
MySQL and MariaDB Logical Backups with Point-in-Time Recovery
Combine mysqldump-based logical dumps with binary log playback to reach point-in-time recovery on MySQL and MariaDB, fully automated end to end.
Backups & Data8 min read
Choosing the Right Instance Size for Your Application Workload
A practical method for sizing a VPS by measuring memory, CPU, and concurrent connections under real traffic, instead of guessing from the dashboard.
Hardware & Performance8 min read
DNF and YUM: Package Management on RHEL-Family Servers Explained
DNF replaced YUM as the default package manager on RHEL-family systems, yet yum still runs. Master search, install, groups, history, and repo management.
Linux8 min read
journalctl Deep Dive: Querying Logs Like a Professional
Filter journal logs by unit, boot, time window, and priority, use field matches for deep queries, and stop grepping unbounded log files forever.
Linux Administration6 min read
Docker Volumes vs Bind Mounts: Choosing Storage
Learn when to persist data with named volumes and when a bind mount is the right call, including backups, permissions, and state migration.
Containers7 min read
Conditional Execution and Path Filtering in GitHub Actions
Use GitHub Actions if conditions and path filters to skip work that changes nothing, while keeping required checks honest, correct and your pipelines fast.
GitHub7 min read
RAID on a Single Server: Hardware vs Software Reality
What RAID really protects on a single node, why hardware RAID is mostly a platform-level rental, and when mdadm software RAID is worth it on a VPS.
Hardware & Performance6 min read
Caddy for Automatic HTTPS Reverse Proxying
Caddy gives you manual-free HTTPS plus reverse proxying: one Caddyfile directive per app, automatic certificate renewal, and sane defaults for your VPS.
Proxies6 min read
postgresql.conf: Memory, Connections, First Edits
Change shared_buffers, effective_cache_size, max_connections, and work_mem first so PostgreSQL 16 uses RAM instead of guessing at factory defaults.
Databases9 min read
SQLite File Placement: Permissions and Avoiding /tmp
Put SQLite on a dedicated data directory with tight permissions, never in /tmp or a git checkout, so reboots and deploys cannot wipe it by accident.
Databases8 min read