Lynis is an auditing and hardening tool for Unix derivatives like Linux/BSD/Solaris. It scans systems to detect software and security issues. Besides security-related information, it will also scan for general system information, installed packages, and possible configuration mistakes. The software is aimed at assisting automated auditing, software patch management, and vulnerability and malware scanning of Unix-based systems.
Sysload SP Analyst offers powerful means to control and analyze server performance. It provides real-time, continuous, fine-grained resource monitoring across Windows, Solaris, AIX, HP/UX, Linux, I-series, Citrix, Netware, and virtual machines (VMware Vi, IBM LPARs, Solaris X, I5 OS LPARs). It also provides incident and failure risk prediction and immediate analysis of the root cause of problems, allowing you to pinpoint the application(s) or user(s) responsible for server load increases.