VPN server on Arch Linux

create 'virtual file' from bash command output? How do I disable tomcat caching? I'm having weird static file problems puppet: force service restart after configuration file was modified How can I retrieve the absolute filename in a shell script on Mac OS X? Enable SQL Server to backup on remote machines/drives what's a secure way to send passwords over the internet? Why do I get "Permission denied (publickey)" when trying to SSH from local Ubuntu to a Amazon EC2 server? Best way to compare (diff) a full directory structure? How to keep the full path with rsync? How to change owner of mount point Does Windows have a built-in ZIP command for the command line? What is the correct syntax to run cron every 4 hours?