All the articles with the tag "performance".
Linux ships with conservative kernel defaults meant for general use. These sysctl settings tune your server for networking, memory, and file I/O — with explanations, not just values to paste.
An AWS engineer found Linux 7.0 halved their PostgreSQL performance. The fix was kernel tuning. Here's what settings matter and why, so you're not the last to know.
Out of RAM and no time to reimage? Add swap via a file on any partition using mkswap, swapon, and fstab — done in under 5 minutes.
Learn multi-stage Docker builds to slash image sizes by 90%. Practical before/after examples for Node.js, Python, and Go with real size comparisons.
Learn systemd socket activation to start services on-demand, save RAM, and cut boot time. Includes .socket unit files, real examples, and testing with systemd-socket-activate.
Your CI job waits 4 minutes for npm install every run. One caching strategy cuts it to 15 seconds. Here's how.
zstd is as fast as gzip with near-xz compression ratios. Here's why you should drop bzip2 forever and how to use zstd in 2026.
Learn which sysctl parameters actually improve Linux server performance. Network tuning, memory management, and a ready-to-use sysctl.conf for Docker hosts.
Tmpfs vs ramfs explained: mount RAM-backed filesystems on Linux for blazing fast temp storage. Covers fstab, Docker tmpfs mounts, CI/CD use cases, and the key differences.
Nextcloud advanced configuration: Redis caching, federation setup, automated backups, occ command deep dive, LDAP, external storage, and PHP-FPM tuning.
Control runaway processes with ulimit and cgroups v2: per-process limits, systemd resource controls, Docker cgroup integration, and practical examples to prevent one service from killing your server.
CUDA vs ROCm for AI on Linux: NVIDIA's easy path, AMD's emotional journey, and why CPU inference isn't dead yet. Real Docker setups included.
