apt-get install ssh tcpdump mc iptraf iperf nano links lynx zip unzip perl lsof nmap strace ltrace joe ntp-server dpkg-awk apt-file apt-utils cron-apt sntop atop iftop screen discover chkrootkit checksecurity whois ifenslave whois modconf netpipe-tcp ifenslave iftop patch sysutils smbfs smbc smbclient slay hwinfo ethstatus nfs-common procinfo irqbalance smartmontools hddtemp traceroute-nanog ubuntu-base tcptrack