Archives for Networking

Using Amazon EC2 for everything except Email

Amazon Elastic Cloud Compute is great if you want to get a server live very quickly. You can go live (including IP address) or shut everything down in only a few minutes. However for hosting email, I’d like something more permanent. Amazon could potentially be wide open to spammers (make a server, send spam, shutdown) [...]

Locking yourself out of Cisco IOS via Telnet

Telnet to Cisco device #copy run start #reload in x You mess up and cant use tcp/port23, telnet session dies.. Uptime reaches x and device reloads No awkward phone call! More Cisco IOS commands: #show reload #reload in x #reload cancel You get a warning 1 minute before the device reloads. Useful links: http://www.ciscopress.com/articles/article.asp?p=101658&seqNum=4 http://www.cisco.com/warp/cpropub/45/tutorial.htm [...]