Linux, Nginx, ZFS, PHP-FPM and systems howtos
Updated August 2026: Passing the real client IP through HAProxy → Tomcat/Jira/Confluence is unchanged in principle: set X-Forwarded-For (or PROXY protocol) and trust only your proxy IPs in the servlet valve / connector. Double-check you...
Updated August 2026: “Unknown directive” after an Nginx upgrade usually still means a module/package mismatch or a directive that moved. On current Nginx builds, confirm the package set (nginx-full vs lean builds), run nginx -T,...
Updated August 2026: Running php-fpm pools under dedicated users/umask is still best practice. The same idea applies to PHP 8.x pools (including 8.3–8.5): one pool per site, correct listen.owner/listen.group, and a real umask in the...
Computer name changing constantly Yosemite If you have ever wondered why Computer name changing constantly Yosemite i give you some short explantation to prevent MacOS X doing this. The behavior is controlled by new discoveryd...
Fix yosemite rtc alarm wakeup issue After installing new Apple Mac OS X 10.10 Yosemite i ran into an issue were my Macbook Pro wokeup every few hours with lid closed which was very irritating...
