Software that simplifies PPP setup for Linux.
Sysmon is a network monitoring tool designed to provide high performance and accurate network monitoring. Currently supported protocols include SMTP, IMAP, HTTP, TCP, UDP, Radius, NNTP, and PING tests
A gnome applet that displays lights (RX, TX and COL) from a network device.
Goal: build a new environment for distributed OS administration, to let networks of heterogeneous machines administer themselves.
Some www and network projects for Linux.
An active network monitor designed to run under Linux. NetSaint includes plugins to monitor several types of services (ftp, http, tcp port, and disk space). Contacts can be notified by email or pager when a problem occurs and is resolved.
Cheops is an Open Source Network User Interface. It is designed to be the network equivalent of a swiss-army knife, unifying your network utilities. Cheops does for the network what a file manager does for your filesystem.
Secure shell is a way of logging into another machine, using an encrypted connection, so that no-one can snoop on the connection as it passes over the network.
NOCOL is system and network monitoring software.
Linux performance tuning resource site.