IT SERVICES
System Administration, Network Administration, Software Development Operating Systems, Computer Networks, Software Applications

OPERATING SYSTEMS
Installation administration and support for operating systems Windows, Linux, Unix: Windows 2000/2016, CentOS, Rocky, Debian, FreeBSD

COMPUTER NETWORKS
Installation administration and support for computer networks Router, Switch, Firewall, LAN, WAN, VPN, DNS, TCP/IP

SOFTWARE APPLICATIONS
Windows and Linux software applications for administration business and more Websites, EMail, Marketing, Help Desk, Data Archives, Virtualization, Cloud Active Directory, FreeIPA, Nagios, Wordpress, Apache, Postfix, SqlServer, MySql, AWS

SOFTWARE DEVELOPMENT
Web Sites, Windows Applications, Data Archives C#, Asp.Net, Win Forms, Java Script, Html, Css, Sql, SqlServer, MySql

ROLES
System Administrator, Network Administrator, Software Developer

LAST WORK
Linux System Administrator, Virtual1 Ltd Administration of Linux servers and applications, centralised authentication and log management, DNS management, CIS security policies, website, monitoring, automation. CentOS, FreeIPA, Radius, Bind, Bash, Apache, Nagios, Nessus, Virtualization, Cloud

Twenty years experience in information technology. https://ivoprogram.github.io