my Linux/Unix OS, som RedHat, CentOS, Fedora, Debian, Ubuntu.
SSH, SFTP, Samba, PXE installation,
DNS, DHCP, package management, kernel, bios, tcpdump, iptables, cisco routing, configuration, automatisation with crontab, smptp, bash scripting, ipsec,
LDAP, security, antivirus, firewall, apache, server monitoring, log monitoring,
NFS, NAS, virtual servers experience