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Phạm Trung Dũng

My name is Dũng, you can call me Danie. I am a systems engineer, especially Linux systems. I am working as a system administrator. I love Linux and use it full time, including at home.

If you find me fit for your job, let me know. I can also do freelance for you.

Work Experience

Technical Department - Da Nang Software Park

03/2013 - 10/2013

Position: member of the research team, DSP Cloud deployment.
Work: OpenStack technology research, test, deploy Private Cloud, document technology.

Secure Vietnam Company

07/2014 - 11/2015

Position: technical staff.
Work: Construction, installation network for customers. Support the technical requirements of customers.

Sun Group

04/2016 - Now

Position: Linux system administrator.
Work: Manage DC infrastructure, manage Linux server system, manage CSF cloud system. Install and configure services on servers.


My professional knowledge, what I can do for you.

  1. VIRTUALIZATION TECHNOLOGY: Understand technologies such as OpenStack, Hyper-V, VMware, Docker and more. Directly operate the Cloud system using OpenStack technology and the VMware ESXi server cluster.
  2. SECURITY: Understand and be able to implement the pentest OSWAP vulnerabilities. Proficiency in security software such as OSSEC, WAZUH, SNORT, IPtables, WAF ModSecurity, WAF Naxsi, HoneyNet.
  3. MONITORING: Understand, install and operate monitoring systems such as Zabbix, Munin, Grafana (highly customizable), LibreNMS, Icinga. Can write the service to collect data on Linux to build a customized monitoring system under specific requirements.
  4. AUTOMATIC TOOL: Knowledgeable and able to use Ansiable, Python script, Bash script - able to code complex requests with bash.
  5. LOG CENTRAL: Understand, build and directly operate the log system such as Splunk, Graylog2, ELK stack.
  6. DATABASE: Working directly with some databases such as MySQL / MariaDB, Oracle, SQL Server & InfluxDB. Ability to install the MySQL / MariaDB Cluster system.
  7. PROGRAMMING: Read, understand and write the following programming languages: PHP, Bash Shell, Python. In particular, can write very complex scripts using Bash.
  8. CMS FRAMEWORK: Have worked with Joomla source code. Currently working with Wordpress and Drupal source code (a bit). Good HTML and CSS writing skills.
  9. WEB SERVER: Installation and operating directly almost all types of web servers: Apache, Nginx (hard configuration), IIS, Tomcat, Nodejs, OpenLiteSpeed.
  10. OPERATING SYSTEM: Proficient use of all Linux base Debian & RedHat operating system. Regularly working with CentOS 6/7, Debian 8 & Ubuntu 16. Good use of Windows Server 2008 & 2012 operating system.
  11. SERVICES: Installation and operation of some services such as Zimbra, Owncloud (full HA), OpenLDAP, BindDNS, OpenVPN, GitLab CE. Some hosting panels like Webmin, VestaCP.


What I have learned while still in college.

2010 - 2014Studied at Duy Tan University, specialized in "computer network engineering".
02/2012 - 07/2012College-level research, topic on "Network Attacks & Detection System - HoneyNet".
07/2012 - 09/2012A member of the "information security" team of Duy Tan University.
08/2012 - 09/2012Participating in "information security" class at VNCert Center - Da Nang city.
09/2012 - 12/2012Join the young scientific research club of Duy Tan University.
03/2013 - 10/2013Internships and participation in research OpenStack at Technical Deparment - Da Nang Software Park.
04/2013 - 07/2013College-level research, topic on "OpenStack application research".
06/2013 - 09/2013Participated in the "creative summer" competition organized by Vfossa.
06/2013 - 09/2013Complete the CCNA course at the Potential Viet Center - Da Nang city.


Martial Arts

Martial Arts

Karate black belt, Suzucho Karatedo Club - Da Nang University.

Gym Workout

Gym Workout

I workout gym every day.
And sometimes I train for a few friends.                       



Some of my blogs:
Tutorial on bash scripts.
Installation instructions on Linux.
Personal sharing on technology.

Listen To Music

Listen To Music                          

I like to listen to music, it makes me feel comfortable.

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