Blog - Tag: infrastructure-checklist

tcp_mtu_probing Checklist: When to Leave It Alone, Monitor, or Change It

tcp_mtu_probing Checklist: When to Leave It Alone, Monitor, or Change It

Jul 24, 2026    Mariusz Antonik    Networking    7 min read

Linux tcp_mtu_probing can help TCP recover when Path MTU Discovery is broken, but it is not a universal throughput tuning switch. For internet-facing file storage servers, the safer default is to leave it alone until linux server monitoring shows retransmits, black-holed ICMP, or path-specific stalls. This checklist explains what to verify before changing the sysctl and how to monitor the change if you decide it is justified.

#infrastructure-checklist #linux server monitoring #linux-networking #path-mtu-discovery #server-throughput #tcp-mtu-probing #tcp-tuning
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OCI MySQL HeatWave Setup Checklist for Small Teams

OCI MySQL HeatWave Setup Checklist for Small Teams

Jun 22, 2026    Mariusz Antonik    Database    6 min read

A clean OCI MySQL HeatWave setup starts before the database is created. This checklist helps small teams plan the network, access rules, backups, users, and operational checks that make the deployment easier to maintain. Use it before launch to avoid common mistakes like public database exposure, unclear ownership, or backups that have never been tested. The goal is a practical production-ready setup, not just a working demo.

#database-setup #infrastructure-checklist #mysql-heatwave #OCI #oracle-cloud
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All Posts Infrastructure Monitoring 26 Linux Server Monitoring 5 MySQL Heatwave 5 General 10 Oracle Cloud (OCI) 15 Database 21 Networking 7 Automation 34 Security 8 Server Health 31 Infrastructure Health Reporting 2 MySQL Performance 2 CPU Monitoring 2 Disk Monitoring 1
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