Description: jera, jeferson santos, link layer, linux, windows, windows 7, windows 2008, shell script, proxy, dns, postfix, servidor de thin-client, robocopy, iptables, firewall, fw, programação, ubuntu, debian, mint, apt-get, yum install, openvpn, tcpdump, linklayer, rede, ti, suporte técnico, suporte linux, analista de sistemas, gerente de ti, robocopy, robust file copy