IT Infrastructure Monitoring: SCCM 2012 Firewalls: Windows firewall Mail servers: MS Exchange 2000-2016 Server OS: Windows Server 2003 - 2016, Debian, RHEL, CentOS, Ubuntu Server; Web servers : IIS, apache Database servers: MySQL, MS SQL Virtualization: MS Hyper-V, VMware Server, VirtualBox, Docker Directory service: Active Directory, OpenLDAP; File servers: IIS FTP, proftpd, FileZilla FTP Server, samba;