The following is an incomplete list of technologies I have expertise in:

  • Web: Apache, Tomcat, PHP, Varnish,
  • Mail: Zimbra, Sendmail, Postfix, Dovecot, Spamassassin, Amavis
  • Database: MySQL, PostgreSQL, Apache Derby, Oracle
  • Development: SVN, Maven, Jira, Bamboo
  • Backup: Bacula, rsync, rsnapshot
  • Firewall: iptables, Shorewall
  • Virtual Private Networking: OpenVPN, PPTP
  • Intrusion detection: Snort
  • Virtualisation: VMware, Virtualbox, Xen
  • Package management systems: Debian package(.deb) development
  • Network/server monitoring: Nagios XI, Nagios Core, Munin, Cacti
  • Automation: Puppet, Ansible
  • Clustering/Load balancing: HAProxy, MySQL clustering/replication, Keepalived
  • Amazon: AWS, EC2, S3
  • Rackspace: Rackspace dedidated and cloud servers
  • Security: Payment Card Industry (PCI) scans and compliance
  • Embedded systems: DD-WRT, Android, Raspberry Pi
  • Linux: Red Hat Enterprise Linux (RHEL), Ubuntu, Debian, CentOS, Oracle Linux
  • UNIX: FreeBSD, Solaris, IBM AIX, HP UX, SCO Openserver
  • Mac OS X: Snow Leopard, Lion
  • Others: Liquid Galaxy

If you need help with setting up, configuring or troubleshooting any of the above, please get in touch with me.