Yes, you can use your linux box as a VPN server have a check here http://www.tldp.org/HOWTO/VPN-Masquerade-HOWTO.html
also have a check on the phorum http://seclists.org/lists/security-basics/2003/Nov/0526.html
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Network Interface Card (NIC) bonding, also known as link aggregation, NIC teaming and trunking, is an important concept to understand and implement in any environment where high availability is of concern. Using this feature, a server administrator …
Learn how to get help with Linux/Unix bash shell commands.
Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…
Learn how to find files with the shell using the find and locate commands.
Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.: