Guy Van Sanden. Open-Future - Kortenberg

Guy Van Sanden

Personal Information

Date of birth: 27 april 1977 Place of birth: Turnhout

Marital status: Married (3 children)

Nationality: Belgian

Education

2010 Puppet master

Open-Future and Puppet labs

2008 RedHat Certified Engineer (#805008881932366)

Global Learning

1989-1995 Economics and Information sciences Stedelijk hoger handelsinstituut - Turnhout

1995-1999 Bachelor Computer Science

Hoger instituut der Kempen - Geel January 2000 Rational ClearCase administration

Rational Software – The Netherlands

March 2000 Perl fundamentals

FDDI Institute

Skills (for details, see skillsheet)

Operating Systems Linux, Solaris, HP-UX, AIX, FreeBSD, MS Windows Security Firewalls, IDS, CERT, basics of forensics

Virtualization RHEV, KVM, Xen, VMWare (VSphere), VirtualBox

Networking Architecture, troubleshooting, protocols (HTTP, FTP, SMB, ...), monitoring (Zabbix, Nagios)

Internet Webdesign (HTML, CSS, PHP, JavaScript, AJAX) , CGI, Drupal Configuration

Management Bazaar, Subversion, Git, ClearCase Programming PHP, Perl, Unix shell scripting System Management Puppet, CFEngine

Groupware Zarafa, Zimbra

Experience (for details, see Experience overview)

April 2011 - now Owner/Senior Linux Consultant Taurix - Geel

Okt 2009 – June 2011 Senior Open Source consultant Open-Future - Kortenberg Jan. 2008 – sept 2009 Senior Linux Consultant

X-Tend - Grimbergen

Aug. 2004 – jan 2008 Beowulf cluster administration. Linux system administration SCK-CEN - Mol

Feb. 2003 – Jul 2003 Remote pro-active system management on Solaris Rhodix Unix Professionals – Eindhoven – NL

Fixed-length contract

Jan. 2000 – Oct 2002 Configuration management and Unix/Linux Support Siemens Atea – Herentals

Hobbies and intrests

Computers Linux, Free Software projects (eLAS), Webdesign Reading Intrest in Asimov, Tolkien, Douglas Adams, ...

General Co-founder and Chairman of Orions2 VZW (www.orions2.org) Coordinator LETS Geel (Local Exchange and Trading System) http://www.letsgeel.org

Guy Van Sanden - Skillsheet

2430 Laakdal

 0489 930 548

 [email protected]

Operating Systems Linux (Ubuntu, RHEL, Debian, SuSE, Fedora, ...) Expert

FreeBSD / OpenBSD Good

Solaris Good

HP-UX Basics

AIX Basics

Windows NT/2000/XP Good

Security Firewalls (Linux Iptables, Ipcop, Smoothwall, ...) Expert

PKI/OpenPGP Expert

Password security/cracking Expert

LDAP/Kerberos Expert

Virtualization RHEV (Red Hat virtualization) Good

KVM Expert

Xen Expert

VMWare Good

Networking Apache (1&2) Webserver Expert

Apache Tomcat Good

Mailserver: Postfix, Exim, Sendmail Expert

DNS server: BIND and djbdns Expert

SMB – Samba (www.samba.org) Expert

POP3 & IMAP (Dovecot, Cyrus and UW-IMAP) Expert

MySQL / Postgress Good

Monitoring: Zabbix, Nagios, ZenOSS Expert

Writing Zabbix & Nagios plugins Expert

Internet HTML Expert

CSS Good

CMS (Drupal, Joomla) Expert

PHP Good

Groupware Zarafa Expert

Zimbra Expert

Citadel Expert

Configuration Management

Rational ClearCase Good

Subversion, Bazaar & Git Expert

System Management Puppet Expert

CFEngine Good

Bug Tracking Bugzilla Expert

Redmine Expert

Backup Bacula Good

Amanda Basics

Programming Unix Shell scripting Good

Perl Good

SQL Good

PHP Good

Databases MySQL Good

Postgres Good

Others RODOS (Realtime Online Decision Support System) Good

Guy Van Sanden - Experience

2430 Laakdal

 0489 930 548

 [email protected]

July 2009 – now: Freelance writer for Linux Identity magazine

Linux Identity is a printed magazine that is distributed worldwide. It covers a wide range of topics and distributions and is geared towards both end-users as Linux administrators. http://www.linuxidentity.com/us/

May 2008 – now: eLAS Free Software project

eLAS is a webapplications to manage LETS (Local Exchange and Trading System) groups. It was written in PHP with a MySQL backend and has a rich AJAX based interface. ELAS installations can be coupled through a SOAP interface.

More information can be found on the eLAS website: http://elas.vsbnet.be Technology:

Ubuntu Linux, Apache2, MySQL, PHP, SOAP, AJAX, Mailman, Bind, Postfix, ...

Oktober 2009 – June 2011: Open-Future – Kortenberg

Open-Future is a company founded in 2009 that is dedicated to Open Source solutions. It has strategic partnerships with names like Red Hat, Zarafa, Puppet and Bacula

Function:

Senior Open Source Consultant, project manager Technology:

Ubuntu Linux, RHEL5&6, CentOS, LVM, Clustering, Zarafa groupware, Zimbra, Puppet, Zabbix, Bacula, Xen, KVM, RHEV, VMWare ..

January 2008 – September 2009: X-Tend – Grimbergen

X-Tend is part of the Cronos IT group and focuses on Linux and Open Source solutions for customers.

Function:

Senior Linux Consultant Technology:

Ubuntu Linux, RedHat, CentOS, LVM, Clustering, Zarafa groupware, Zimbra, ...

August 2004 – January 2008: Studiecentrum voor Kernenergie

(SCKCEN) – MOL

The SCKCEN is the Belgian Nuclear Research Center (government funded and controlled). It does research in the nuclear area, but also into Decision Strategy and related information systems.

SCK-CEN has a Linux Beowulf computing cluster with over 100 nodes. This cluster is used to simulate long-term nuclear reactions that help scientists in many ways, allowing them to

It was my job to keep the cluster running, to plan and implement cluster expansions and to support all programs that ran on it (mostly nuclear codes coming from high profile

institutes like Los Alamos).

In addition, I managed several smaller Linux and Unix systems ranging from Apache web-servers to Decision Support Systems.

Some projects include:

• Development of an automated system to exchange DSS data in case of emergencies

• Set up of the RODOS DSS system

• Migration of RODOS from HP-Unix to Linux

• Set up of a secondary Linux cluster to migrate to new software versions without downtime

• Set up of several websites under European collaboration projects Function:

Beowulf cluster system administrator, Linux system administrator Technology:

Debian, SuSE Linux, Apache2, Postfix, Torque PBS, MPI, Nagios

February 2003 – August 2003: Rhodix Unix Professionals – Eindhoven

– NL

Rhodix Unix Professionals is a firm that sells and supports Sun Unix products and provides several specialized services for this platform. From the offices in Eindhoven, the client systems are proactively monitorred and managed over a secure connection.

Rhodix customers include many of the Dutch utility companies like Obragas and Nutsmaas. Function:

Remote system administration of several Solaris systems Technology:

Sun hardware, Sun Solaris, Veritas Netbackup, Big Brother network monitor

January 2000 – November 2002: Siemens Atea – Herentals

Siemens Atea is a part of Siemens ICN (Internet and Communication Networks). It is a research and development facility that develops telephone exchanges, GSM systems, DECT phones and communication software.

Function:

ClearCase administration, support for bugtracking systems including ClearQuest an MR-Tool, Unix/Linux general support, security, database administration of Ingress and Sybase SQL-Anywhere, development of PERL scripts.

Technology:

Sun Solaris, Linux (SuSE, Red Hat, Mandrake, Debian), ClearCase, ClearQuest, VMWare, CVS, Ingress

Consulting assignments

Start: 18-07-2011 End: - Truvo (Gouden gids)

Truvo is the company behind the 'Gouden Gids' in Belgium, The 'Golden Pages' in Ireland and the Paginasamarelas in Portugal. It's a company growing from a traditional publishing model to an online company with a wide range of online offerings with the golden pages as flagship product. As part of the online operations team and as the Linux systems architect, I was responsible for designing, implementing and maintaining the infrastructure behind those sites.

Technologies: RHEL, VMWare Vsphere, KVM, Nagios, Puppet, Bamboo, JIRA, Subversion, GlusterFS, OpenBSD, Load balancing, Tomcat, Java

Job: Senior mission critical Linux System Engineer

Start: 11-04-2011 End: 20-06-2011 Eurocontrol

Eurocontrol regulates the air traffic of European flights.

As part of the CFMU support team, I managed mission critical systems linked to air traffic control. Technologies: RHEL, VMWare Vsphere, Nagios, Groundwork, ITIL, Red Hat Satellite

Job: Presales and project management

Start: 01-10-2009 End: - in-house

Since the start of Open-Future, I've been involved in the pre-sales proces with customers and the project management of the advanced solutions we are implementing.

Projects include migrations from MS-Exchange to Zarafa groupware as well as high availability virtualized setups, scientific projects, provisioning en configuration management.

Technologies: RHEL, Ubuntu, Xen, KVM, Puppet, Zabbix, Nagios, Drupal, Apache, PHP, Zarafa, Zimbra, SOGO, MySQL, MariaDB, PostgreSQL

Job: Project management for community website development

Start: 01-01-2011 End: 30-04-2011 Company: Vormingplus

Vormingplus Antwerpen is developing a website to build an online community where people can register and trade goods and services with people in the same neighbourhood .

Open-Future is building this project completely on top of a Drupal 6 stack.

As the project leader, I analysed the requirements of the site together with the customer to build a complete set of initial requirements. With the requirements, I developed an implementation plan and I oversaw the development of the site that is due to go live in the spring of 2011.

Technologies: Drupal, PHP

Job: Screening of current system-management and -deployment infrastructure

Start: 11-01-2010 End: 27-01-2010 Company: Colruyt

Colruyt developed in-house scripts to manage their servers. With the expansion of their server park, these in-house scripts are no longer sufficient to manage their ever growing complex

the current functionality and what the options are to move away from custom development to using standardized tools like Puppet to enable the company to efficiently manage their server park, even if it would grow exponentially.

Technologies: RHEL, Puppet, Bcfg2, chef, kickstart, Red Hat Satellite, foreman, cobbler, RPM Job: Project leader Zarafa implementation

Start: 07-02-2011 End: 28-02-2011 Company: Gemeente Nazareth

After being involved in the pre-sales phase at the gemeente Nazareth, Open-Future did the implementation of the Zarafa Collaboration platform.

I did the project management of the installation of the new server on virtual infrastructure (VMWare) and the migration of existing data in the Exchange database to the new groupware server.

Technologies: RHEL5, VMWare, Zarafa, Postfix, ADS Job: Project leader Zarafa implementation

Start: 13-10-2009 End: 31-08-2010 Company: SVK

SVK is a company in the construction industry. As with many companies, they were running MS-Exchange as their groupware platform.

I was involved very early in the pre-sales phase of this project and guided the customer to their eventual choice of the Zarafa Collaboration Platform.

Following the decision for this new system, I did the project management of the installation of the new server on virtual infrastructure (Xen on Linux) and the migration of existing data in the Exchange database to the new groupware server.

Technologies: RHEL5, KVM, Xen, Zarafa, Postfix, ADS Job: Project leader redundant virtualization setup

Start: 01-03-2010 End: 30-03-2010 Company: ACEA

ACEA implemented more and more services on top of Red Hat Linux. To make optimal use of the available hardware, we recommended to implementation of a Linux based virtualization platform. I was the architect and project manager of the virtualization setup based on Red Hat Enterprise Linux and KVM with front-end nodes and redundant storage nodes (using DRDB) .

Technologies: RHEL, KVM, DRDB, Zabbix, amanda, Samba Job: PHP Development

Start: 01-04-2010 End: 30-04-2010 Company: LETS Vlaanderen

LETS Vlaanderen commissioned funded extensions to my own Open Source project, eLAS.

I developed version 2.0 of this online community building system which is completely revamped from version 1.4.

From the changelog:

* Multisite support, run multiple seperated eLAS instances on one installation * Hosting functions for billing and locking individual sites

* Interlets functions including remote logins and automatic transactions * Moved most of the configuration to the database

* Completely renewed V/A display screen

* Introduced Human Interface Guidelines based on Gnome

* Major code refactoring to reuse and verify as much functions as possible * Error handling for critical operations at the very least

* Cache saldo with userinfo for speed

* Allow users to submit news items and queue them for admin approval * Moved to SHA1 algorithm for new password hashes

* RSS feed for messages

Technologies: PHP, MySQL, Drupal

Job: System administration on SuSE Linux

Start: 13-10-2008 End: 31-08-2009 Company: Johnson & Johnson J & J has teams around the world to support their critical Linux infrastructure, mostly deployed on VMWare clusters in datacenters in nearly each country where J & J has offices. Most of the mission critical software at J & J runs on top of SuSE, Red Hat Linux or HP-UX

I was part of the Belgian administration team, located in Beerse. Though this was a local team, we deployed and provided support for systems all over the world.

Technologies: SLES, RHEL, VMWare, LDAP, Centrify, OCFS, Sudo, HP-UX, ITIL

Job: Zarafa implementation

Start: 19-05-2008 End: 20-08-2008 Company: Borgerstein VZW

I implemented a full groupware solution and Anti-spam gateway for Borgerstein VZW including the RHEL servers that power the groupware environment.

The Antispam gateway is based on Spamtitan, a commercial product running on a FreeBSD operating system and totally manageable from our helpdesk.

My main tasks where to implement the Zarafa Groupware solution (Exchange alternative running on Linux but using Outlook and MAPI protocol), installing and tuning the Spamtitan mail gateway. Technologies: Zarafa, Postfix, RHEL, SELinux, Spamtitan

Job: Linux/Apache infrastucture setup

Start: 07-03-2008 End: 14-05-2008 Company: Calibrate

Calibrate creates webapplications for Digital television. These run on RedHat machines with Apache webservers set up behind Citrix loadbalancers.

My technical skills where needed to optimize the loadbalancers, to verify the different stats and to fine-tune the installation.

Technologies: RHEL 5, Apache, Loadbalancing

Job: Linux/Apache infrastucture setup

Start: 01-02-2008 End: 01-03-2008 Company: Siemens Services

Siemens designed a high availability setup for FedICT to run government websites on. I helped implement and deploy the Virtual Linux servers that power this setup and the OCFS2 connection that allows load balancing while using the same backend storage.