How to turn off/disable torrents in Opera.

Type in opera:config into the address bar. This takes you to a opera config web page. Choose the menu BitTorrent. Uncheck the Enable checkbox and save.

Disable caps lock in Ubuntu

/usr/bin/xmodmap -e "clear lock"

Find application using a port

To find the pid:

# fuser -n tcp 8080
8080/tcp: 1708

# ps aux | grep 1708
tomcat 1708 1.7 10.6 667040 86280............


Or


# netstat -nlp