Network Debug Utilities

Networking:

tcpdump
ping
traceroute

netstat

Displaying Connections

Netstat - Wikipedia, the free encyclopedia

RFC's:
SMTP
HTTP
FTP

wireshark
wireshark bibliography, articles


SysAdmin:
Linux Newbie Admin Guide
Linux Network Admin Guide
Linux Sys Admin Guide 

Push your blog to google for indexing

Manually suggest your blog to google for indexing/crawling:
http://blogsearch.google.com/ping

Refer this site for further info on getting your blog indexed:
http://www.google.com/support/blogsearch/?hl=en#getlisted