I create applications. I design, architect, develop, package, install and configure, to provide a complete solution that works the way you want, every time and everywhere. I have 30 years of experience covering a broad range of platforms and technologies: Roles: Development | Sysadmin/devops/operations | System Architecture | Network Security & more Programming Languages: Ruby | Javascript | HTML/CSS | C | C++ | Pascal/Delphi | Perl | shell | assembly (x86,AVR,PIC) | Java & more Operating Systems: Windows | Linux (Debian,Ubuntu,Redhat,RHEL,CentOS,OpenWRT) & more Databases: PostgreSQL | MySQL/MariaDB | SQLite Frameworks/Libraries: Rails | prototype | jquery | OpenGL/WebGL | GTK & more Applications/Protocols: virtualisation (KVM,XEN,UML,vmware,virtualbox) | packaging (dpkg,rpm) | mail (qmail,postfix,dovecot) | DNS (bind) | HTTP (apache,nginx) | SSL | ssh | git | NFS | dhcp | SMB | radius & more