About Me

My name is Ricardo Santos and I have been worked over 13 years (since 1999) in Brazilian ISPs and Hosting with Linux focus.

Expert level for Linux System Administration (RedHat/CentOS/Debian), Apache, MySQL, Zabbix (Certified Specialist) and RPM packaging.

Extensive experience in the configuration and maintenance of large environments (> 1000 servers) using CFEngine3 and knowledge of ITIL practices.

Good knowledge for performance tuning of MySQL schemas and administration.

Created dozens of tools (for monitoring and automation) using Bash, Python and Perl and some internal web systems using PHP and MySQL for several purposes like:

  • Systems Integration
  • Web Monitoring with Selenium
  • Sales Management
  • SMS Web Client
  • Customer Systems

Advanced knowledge of PHP with MySQL (since 2002), PHP 5 OOP, Shell Scripting, Perl (since 2000), Python (since 2011) and reading knowledge for C++.

Experience working with data exchange formats like XML, SOAP and JSON.

Web Design skills with HTML, CSS, JQuery and Javascript. Comfortable to create lightweight and standards compatible applications.

Other relevant skills: JQueryUI, ExtJS, ActionScript, GD, RRDtool, git, lighttpd, nginx, samba, nagios, NFS, squid and radius.