Conventions used in this document

The following conventions are used in this document when it comes to commands, files and other specific information.

• Code excerpts and command-outputs are printed like this, with all output in fixed width font and user-written commands in bold typeface:

  [blueflux@work1 neigh]$ ls
  default  eth0  lo
  [blueflux@work1 neigh]$
       

• All commands and program names in the tutorial are shown in bold typeface.

• All system items such as hardware, and also kernel internals or abstract system items such as the loopback interface are all shown in an italic typeface.

• computer output is formatted in this way in the text.

• filenames and paths in the file-system are shown like /usr/local/bin/iptables.