Gracefully Restart Nginx Web Server After Changes Made In a Config File

Posted on in Categories , , last updated December 6, 2012

I know how to gracefully restart Apache web server under Unix like operating system. I made changes to nginx.conf. How do I gracefully restart Nginx web server? How do I make changes in a Nginx server config file to take effect without restarting the Nginx server itself without interrupting users’ current session?

MySQL/MariaDB Server: Bind To Multiple IP Address

Posted on in Categories , , , , , , last updated March 10, 2017

I have MySQL database system running on FreeBSD. The server has multiple ip address. The mysqld used by many websites hosted on two other CentOS based servers. I would like to bind MySQL sever running on Unix / Linux server to more than one IP address such as,, and How can I bind mysqld to multiple ips?

PHP: Disable APC Module At Command Line CLI Scripts / Cron Scripts

Posted on in Categories , last updated November 6, 2012

I have a PHP application developed and running on LAMP. I have APC installed on the server. APC is a free, open, and robust framework for caching and optimizing PHP intermediate code. The APC based caching is good for my web site, but my cron jobs and php cli scripts fail to
fetch correct data due to caching. How do I disable APC module at the command line (php-cli) under Linux or Unix like operating systems for all my cron jobs?