BlogNotes on monitoring, reliability, and building Larm.How to monitor a Hetzner serverHetzner gives you great hardware at a great price. It doesn't give you monitoring. Here's how to set up uptime monitoring for apps running on Hetzner Cloud or dedicated servers.Larm·May 13, 2026monitoringhetznerplatform-guidesHow to monitor SSL certificate expiryAn expired SSL certificate takes your site offline instantly. No warning page, no graceful degradation. Browsers just refuse to connect. Here's how to make sure that doesn't happen to you.Larm·May 9, 2026monitoringsslhow-it-worksHow to monitor a Railway deploymentRailway makes deploying apps easy, but it doesn't tell you when your app goes down. Here's how to set up uptime monitoring for your Railway services, with health checks, SSL monitoring, and alerts.Larm·May 5, 2026monitoringrailwayplatform-guidesHow to monitor a Dokploy deploymentDokploy makes self-hosting easy. But a running container isn't the same as a working app. Here's how to set up uptime monitoring for your Dokploy apps.Larm·May 1, 2026monitoringdokployplatform-guidesHow to monitor cron jobs and background workersCron jobs fail silently. The job stops running, nothing alerts you, and you find out days later when a customer asks why their report is empty. Heartbeat monitoring fixes this.Larm·April 26, 2026monitoringcronhow-it-worksWhat is TTFB and why it mattersTime to First Byte is the single most useful number for understanding why your site feels slow. Here's what it actually measures, what good values look like, and how to figure out what's slowing you down.Larm·April 23, 2026performancehow-it-worksHow multi-probe voting eliminates false alertsMost uptime alerts are false positives. A single probe in a single location gets a timeout, and suddenly your on-call engineer is checking their phone at 3 AM for nothing. Here's how multi-location verification fixes that.Larm·April 18, 2026monitoringreliabilityhow-it-worksStart monitoring in minutes.Free plan. 15 monitors. Multi-probe voting. No credit card.Sign Up Free