Celada questions

Celada answers

• Infinite recursion aliasing `cd`
• How to communicate between two embedded devices over ethernet?
• What do multicast MAC addresses mean?
• respawn option for bsd rc.d
• Binary file transfer over Socket using TCP
• recreating file from diff
• Get TLD DNS server ip address
• imap_fetchstructure: how to distinguish embedded images from attachments?
• Is this SSO implementation secure?
• read() on a NON-BLOCKING tun/tap file descriptor gets EAGAIN error