East4serv Support
Oct 21, 2026A Laravel application can return a successful HTTP response while its invoices, email, imports, or webhooks remain stuck in a queue. Production operations therefore need to watch the wo...
Oct 21, 2026Adobe Commerce / Magento 2 performance depends on the whole request path: CDN, Varnish, application/PHP workers, Redis or Valkey, database, search, and background consumers. Adding a ca...
Oct 21, 2026Monitoring a Linux server means combining current resource measurements with a history of checks and the service's actual customer experience. A single green status is not enough: the a...
Oct 21, 2026Linux firewalling controls which network packets may reach a host. UFW is a convenient Ubuntu frontend, nftables is the modern kernel packet-filtering framework, and Fail2ban reacts to...
Oct 21, 2026“VPS,” “cloud server,” and “dedicated server” describe different resource and operating models, but provider marketing labels are not standardized. A useful comparison focuses on isolat...
Oct 21, 2026A service that runs when an engineer starts it but disappears after a reboot is usually an ordering, enablement, environment, or application-startup problem. Repeatedly restarting...
Oct 21, 2026SSH key rotation is a controlled change to the set of public keys that can authenticate to a server. It is not completed when a new key is generated: the new path must work, old ke...
Oct 21, 2026A short Bash script can make a routine server check repeatable, but automation also makes an incorrect assumption repeatable. A reliable maintenance script names its inputs, valida...
Oct 21, 2026Scheduled work often survives its first release but fails after a reboot, timezone change, or missed maintenance window. Both cron and systemd timers can run a command periodically...
Oct 21, 2026An application killed by the Linux out-of-memory mechanism is an outcome, not a diagnosis. The cause may be a genuine rise in workload demand, a memory leak, an overly small contai...
Oct 21, 2026Diagnose Linux network problems with ss, dig and traceroute
Oct 21, 2026Control Linux journal growth without losing incident evidence
