Useful Commands

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Please be free to add the commands you think are useful.

  • Show all Internet Sockets listening 
netstat -an --inet
  • Show the PID and name of the program to which each listening socket belongs 
netstat –pln
  • Show all packages installed in debian type distributions (Debian, Ubuntu, Knoppix, etc...) 
dpkg –-list
  • Search packages in debian type distributions 
apt-cache search <pkg>
  • Show description of packages in debian type distributions. 
apt-cache show <pkg>
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