LINUX TRICKS
https://linuxize.com/post/how-to-remove-files-and-directories-using-linux-command-line/
CentOS / RHEL 7 : Shutting Down, Suspending, or Rebooting Commands (systemctl)
https://www.thegeekdiary.com/centos-rhel-7-shutting-down-suspending-or-rebooting-commands-systemctl/
How do I find Apache http server log files?
https://blog.codeasite.com/how-do-i-find-apache-http-server-log-files/
Error
502 Bad Gateway
The server returned an invalid or incomplete response.- Resolving a 502 bad gateway error message - https://www.allconnect.com/blog/502-bad-gateway-error-explained
- What Is 502 Bad Gateway Error and How to Fix It in WordPress? - https://www.cloudways.com/blog/wordpress-502-bad-gateway-error/
- NGINX 502 Bad Gateway: PHP-FPM - https://www.datadoghq.com/blog/nginx-502-bad-gateway-errors-php-fpm/
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*Suggestion
Linux chattr Command Tutorial for Beginners - https://www.howtoforge.com/linux-chattr-command/#q-how-to-use-chattr-command
Ulasan