DevOps and enterprise system operations: articles and guides
Articles on DevOps, SRE and operating production systems, covering MA and SLA contracts, choosing between managed services and an in-house team, and measuring Linux, HAProxy and website performance before tuning. For IT teams and administrators who keep systems running.
Articles on this topic (7)
MA and SLA contracts: what to check before you sign
English edition
Check an MA and SLA before signing: scope vs change requests, severity, response vs resolution, the SLA clock, patching, backups, credits and exit.
SRE vs DevOps: different responsibilities, a shared goal
English edition
SRE (site reliability engineering) applies engineering to keeping services reliable. See how it differs from DevOps, with SLIs, SLOs and error budgets.
DevOps and the hidden cost of manual delivery
English edition
DevOps (development plus operations) is how build and run teams work together. See core CI/CD practices, common tools and the hidden cost of manual delivery.
Managed services or in-house IT: comparing responsibility and total cost
English edition
Compare internal staffing, managed operations and hybrid arrangements using the same coverage, scope and recovery requirements.
A slow website needs a performance investigation, not just a bigger server
English edition
Investigate application, database, operating-system, storage and network behavior before choosing a performance improvement.
Linux performance tools: choose the measurement before changing the system
English edition
A practical guide to CPU, memory, storage and network observations for Linux performance investigation.
HAProxy and database traffic: performance tuning with the database in mind
English edition
Review health checks, connection behavior, capacity and failover before using a proxy to distribute database traffic.