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Sysadmin

Deploying HTTP/3 and QUIC on NGINX with OpenSSL 3.3 in High-Traffic Production

September 23, 2026September 19, 2026 by Ranjan
Deploying HTTP/3 and QUIC on NGINX with OpenSSL 3.3 in High-Traffic Production - NGINX HTTP3 QUIC OpenSSL production

Deploy HTTP/3 & QUIC on NGINX with OpenSSL 3.3. Eliminate TCP head-of-line blocking, optimize UDP buffers, and achieve sub-millisecond connection handshakes.

Categories Web Hosting News Tags AlmaLinux, Databases & Performance, DevOps, Free Web Hosting, Sysadmin Leave a comment

Tuning PHP-FPM Process Manager with Dynamic vs Ondemand on 64-Core Linux Servers

September 23, 2026September 19, 2026 by Ranjan
Tuning PHP-FPM Process Manager with Dynamic vs Ondemand on 64-Core Linux Servers - PHP-FPM dynamic vs ondemand tuning

Master PHP-FPM process manager tuning on 64-core enterprise servers. Compare dynamic vs ondemand modes with production configs and latency benchmarks.

Categories Web Hosting News Tags AlmaLinux, Databases & Performance, DevOps, Sysadmin, WordPress Optimization Leave a comment

LiteSpeed Web Server vs OpenLiteSpeed: Architectural Comparison and Performance Tuning

September 23, 2026September 19, 2026 by Ranjan
LiteSpeed Web Server vs OpenLiteSpeed: Architectural Comparison and Performance Tuning - LiteSpeed vs OpenLiteSpeed benchmark

Analyze the architectural differences between LiteSpeed Enterprise and OpenLiteSpeed. Learn kernel tuning, LSAPI optimization, and high-concurrency benchmarks.

Categories Web Hosting News Tags AlmaLinux, Databases & Performance, DevOps, Free Web Hosting, Sysadmin Leave a comment

Linux Network Namespaces and Virtual Ethernet (veth) Pairs: Deep-Dive Packet Tracing

September 23, 2026September 19, 2026 by Ranjan
Linux Network Namespaces and Virtual Ethernet (veth) Pairs: Deep-Dive Packet Tracing - Linux network namespaces veth packet tracing

Master Linux network namespaces and virtual Ethernet (veth) pairs. Trace kernel packet paths, eliminate latency bottlenecks, and debug container networking.

Categories Linux Architecture Tags AlmaLinux, Databases & Performance, DevOps, Linux Architecture, Sysadmin Leave a comment

Linux Transparent Huge Pages (THP) vs Explicit HugePages: Real-World Database Latency Impact

September 23, 2026September 19, 2026 by Ranjan
Linux Transparent Huge Pages (THP) vs Explicit HugePages: Real-World Database Latency Impact - Transparent Huge Pages vs Explicit HugePages

Discover why Transparent Huge Pages trigger severe database latency spikes and how Explicit HugePages provide deterministic P99 performance under load.

Categories Performance Tuning Tags AlmaLinux, Databases & Performance, DevOps, Performance Tuning, Sysadmin Leave a comment

Deploying IPv6-Only Linux Cloud VPS Clusters with NAT64 and DNS64 Fallback

September 23, 2026September 19, 2026 by Ranjan
Deploying IPv6-Only Linux Cloud VPS Clusters with NAT64 and DNS64 Fallback - IPv6 only Linux VPS NAT64

Deploy resilient IPv6-only Linux VPS clusters with automated NAT64 and DNS64 fallback to bypass IPv4 exhaustion while maintaining full legacy connectivity.

Categories Web Hosting News Tags AlmaLinux, Databases & Performance, DevOps, Networking & DevOps, Sysadmin Leave a comment

Linux SR-IOV Virtual Function Networking Configuration on KVM Hypervisors

September 23, 2026September 19, 2026 by Ranjan
Linux SR-IOV Virtual Function Networking Configuration on KVM Hypervisors - Linux SR-IOV KVM network configuration

Eliminate hypervisor network overhead and achieve near-bare-metal line rates. Master Linux SR-IOV Virtual Function configuration for KVM enterprise deployments.

Categories Cloud Architecture Tags AlmaLinux, Cloud Architecture, Databases & Performance, DevOps, Sysadmin Leave a comment

Linux Kernel Memory Reclamation Tuning: vm.swappiness, vfs_cache_pressure, and Watermarks

September 23, 2026September 19, 2026 by Ranjan
Linux Kernel Memory Reclamation Tuning: vm.swappiness, vfs_cache_pressure, and Watermarks - Linux memory reclamation tuning

Master Linux memory reclamation tuning. Optimize vm.swappiness, vfs_cache_pressure, and watermarks to eliminate latency spikes and OOM stalls.

Categories Linux Architecture Tags AlmaLinux, Databases & Performance, DevOps, Linux Architecture, Sysadmin Leave a comment

Configuring Linux Multipath I/O (DM-Multipath) for Enterprise Fiber Channel and iSCSI SAN

September 23, 2026September 19, 2026 by Ranjan
Configuring Linux Multipath I/O (DM-Multipath) for Enterprise Fiber Channel and iSCSI SAN - Linux DM-Multipath SAN configuration

Configure Linux DM-Multipath for enterprise Fibre Channel and iSCSI SAN. Master redundant path failover, I/O balancing, and production multipath.conf tuning.

Categories Storage & Hardware Tags AlmaLinux, Databases & Performance, DevOps, Storage & Hardware, Sysadmin Leave a comment

Linux TCP Window Auto-Tuning and Buffer Sizing for 100 Gbps WAN Connectivity

September 23, 2026September 19, 2026 by Ranjan
Linux TCP Window Auto-Tuning and Buffer Sizing for 100 Gbps WAN Connectivity - Linux TCP window auto-tuning 100Gbps

Master Linux TCP window auto-tuning and buffer sizing for 100 Gbps WAN connections. Optimize BDP, sysctl allocations, and qdisc for line-rate throughput.

Categories Web Hosting News Tags AlmaLinux, Databases & Performance, DevOps, Networking & DevOps, Sysadmin Leave a comment
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