nmapfe bg nmap localhost fuser -vn tcp 80 sudo su exit ---- from root's .bash_history ---- vi /etc/sudoers cd /var/log ls vi messages cd ls cat file tail valami tail file tail /var/log/messages tail -f /var/log/messages cd /var/log/ ls cd /etc vi crontab vi /etc/services vi /etc/services vi /etc/services cd /etc/init.d/ ls ps aux | grep apache2 ps aux | less nmap localhost apt-get install nmapfe nmapfe exit vi /etc/security/limits.conf exit fuser -vn tcp 80 cd netstat netstat > 1 wget http://www.sze.hu netstat > 2 diff 2 1 ---- from root's .bash_history at whale.hit.bme.hu ---- vi /etc/inetd.conf