Monitoring

I’ve already written about Linux process accounting under Linux ( see how to keep a detailed audit trail of what’s being done on your Linux systems). You can easily setup process accounting under FreeBSD. This tutorial expalins how to enable and utilizing FreeBSD process accounting including many other useful options are explained to keep track of system resources used, and their allocation among users.

{ 1 comment }

The convenience and reliability that monitoring programs offer system administrators is astounding. Whether at home, commuting, or on vacation, admins can continuously monitor their networks, learning of issues long before they become catastrophes.

Nagios, the most popular open source solution for system and network monitoring, is extremely robust, but it’s also intensely complex.

{ 3 comments }

Nagios is free, open source host, service and network monitoring services. Nagios provides an extensible framework, that can monitor pretty much anything using plugins.

{ 8 comments }

A “top” like tool for Apache / lighttpd web servers and powerful log grepping / log analysis tool.

{ 2 comments }

Luciano Bello discovered that the random number generator in Debian’s openssl package is predictable. This is caused by an incorrect Debian-specific change to the openssl package (CVE-2008-0166). As a result, cryptographic key material may be guessable.

{ 2 comments }

How can I list the open ports on my system and the process that owns them?

{ 11 comments }

Under Linux you can use strace or valgrind tool for reporting and finding a bug. However, under *BSD / Mac OS X you need to use ktrace as replacement for strace tool. kreace runs on the following platforms: => FreeBSD => OpenBSD => Mac OS X => NetBSD The ktrace utility enables kernel trace logging […]

{ 2 comments }