Networking

Apache mod_deflate compresses outgoing responses to reduce bandwidth and speed up page loads. This post covers the AddOutputFilterByType directives needed to enable compression for common content types.

A troubleshooting walkthrough for getting mod_remoteip working correctly under Apache 2.4 and cPanel, including the right LogFormat directives and RemoteIP configuration so that access logs, mod_security, and other modules all see the real client IP.

A quick workflow for triggering a DNS zone reload with rndc and confirming the result in the system log. Covers the two commands you need and what to look for in the output.

Learn how to configure BIND9 views to serve different DNS records to internal and external clients from a single server. This guide walks through zone files, ACLs, recursion control, and the $include directive to keep your setup clean and secure.

A quick walkthrough of using mtr in report mode to capture packet loss data across network hops. Learn how to run a 30-cycle test and read the output to isolate where loss is occurring.

A practical walkthrough of setting up Nginx round-robin load balancing, including upstream configuration, weighted distribution, IP hashing, and failover directives.