#servers
Articles tagged #servers
Servers & CloudOct 12, 2026 · 7 min read
What a load balancer actually does (and when you don't need one)
Load balancers get bolted onto every architecture diagram by default. Here's what they actually do — health checks, routing, sessions — and when a single server is simpler and faster.
Servers & CloudOct 9, 2026 · 5 min read
How to read server metrics: rising trends vs one-time jumps
A CPU or disk reading on its own tells you nothing — learn the techniques for telling a one-time spike from a genuine rising trend before it pages you.
AutomationOct 7, 2026 · 6 min read
Why cron jobs break when daylight saving time changes (and how to fix it)
Daylight saving transitions make scheduled jobs run twice or not at all, shift maintenance windows and on-call alerts, and send log timestamps backwards. Here's the fix.
Monitoring & StatusOct 2, 2026 · 5 min read
Setting up alerts for pending server reboots and security updates
Learn how Linux servers track pending reboots and stalled security updates, and how to get alerted before a quiet server turns into an outage.
Servers & CloudSep 30, 2026 · 5 min read
Find and clean up unused reserved IP addresses
A reserved IP address keeps getting billed long after its server is gone. Here's how to find orphaned addresses across providers and clean them up safely.
Servers & CloudSep 18, 2026 · 6 min read
Cloud firewall rules explained: default-deny, inbound/outbound and common mistakes
A practical breakdown of how cloud firewall rules actually work, why default-deny matters, and the ports people leave open without realising it.
Servers & CloudSep 7, 2026 · 6 min read
IPv4 vs IPv6 explained: differences, dual-stack, and why it matters
A practical comparison of IPv4 and IPv6 addressing, headers, and NAT — plus what dual-stack means for the servers you run today.
Servers & CloudAug 17, 2026 · 5 min read
How to secure your infrastructure in 2026: a practical checklist
A practitioner's checklist for securing DNS, TLS, servers and monitoring in 2026 — covering zero trust, DNSSEC, certificate automation and supply chain hygiene.
Servers & CloudAug 12, 2026 · 5 min read
When should you use cloud firewalls?
Cloud firewalls filter traffic before it reaches your server; host firewalls filter it after. Here's when to use each, and the sane defaults to start with.
Servers & CloudJul 22, 2026 · 10 min read
Hetzner vs DigitalOcean vs AWS: price, performance and features compared
An even-handed comparison of Hetzner, DigitalOcean and AWS on pricing, instance types, bandwidth, SLAs and Kubernetes — so you can pick the right one for the job.
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