Leandro N.

I have good experience with the Linux operating system and web hosting. I am certified by the Linux Professional Institute (LPI) nís levels 1, 2, 3 and LPI 303 (Security) Following a bit of my experience: Experience in pen-testing and Linux systems security maintenance, applying security patches, configuration settings and tuning servers. Experience in environments with large numbers of users, programming Shell Scripting (Bash), Python and experience in management PHP application servers (Apache, Nginx). Experience in PostgreSQL and MySQL databases, backup, restore and tunning. Implementation of monitoring tools Nagios and Zabbix to work on prevention of problems and greater control of the environment. I have experience in administration of Postfix and Sendmail mail servers, and DNS servers using BIND. A presentation of my work can be seen in my corporate site: [login to view URL] , this website is presented my service solutions geared to Email and message delivery.