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PHP CLI: Complete Guide to Running Scripts from Command Line


by Danila Vershinin, December 30, 2018

Learn how to run PHP scripts from the command line, schedule them with cron or systemd timers, configure memory limits, enable OPcache, and debug effectively on Rocky Linux, AlmaLinux, and RHEL.

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NGINX SELinux: Fix Permission Denied, 502, and Port Errors


by Danila Vershinin, August 7, 2017

Fix every common NGINX SELinux error: 502 bad gateway from proxy_pass, 403 forbidden on static files, port binding failures, and more. Complete boolean reference table, file context guide, and 11 real-world scenarios with verified one-liner fixes for RHEL, Rocky Linux, and AlmaLinux.

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Clear Disk Space on CentOS, RHEL, Rocky Linux & Fedora


by Danila Vershinin, September 22, 2016

Quick commands to clear disk space on CentOS, RHEL 7/8/9, Rocky Linux, AlmaLinux, and Fedora. Covers log trimming, systemd journal cleanup, YUM/DNF cache, old kernels, Docker, and more.

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