swpartc is a simple but reliable utility for copying the data contents of one file or partition into another one and vice versa without losing a bit. The partitions must have the same size. It uses a crash recovery technique (a small back-up file), which means that even if the process is killed or the computer crashes, the user can safely resume the swapping operation later.
A simple and trivial to use utility for keeping various 3rd party application packages installed on multiple machines. It leaves flexibility for making packages local to a host or remotely served from a central server. It is not the same sort of tool as RPM; rather it serves a related but different purpose. In particular, unlike most package systems, it can run independently of your main system (RPM, pkgadd, etc) and lets you install multiple versions of an appplication at the same time.
syncpasswd is an Expect script that synchronizes passwords via SSH on multiple platforms (Linux/BSD, OS X, and Solaris). It takes hostnames as a list of arguments and changes the specified user passwords on those hosts. It outputs results to stdout and logs to /var/log/syncpasswd.log (by default).
synctool is a cluster administration tool that keeps configuration files synchronized across all nodes in a cluster. Nodes may be part of a logical group or class, in which case they need a particular subset of configuration files. synctool can restart daemons when needed, if their relevant configuration files have been changed. synctool can also be used to do patch management or other system administrative tasks.
sysXs is a control panel solution for enterprise use. It automates administration, accounting, and billing of Internet services using a Web-based interface suitable for any browser. It can be used on a wide variety of platforms. By implementing a flexible user management that includes customer self care functionality, it's not restricted to the classic vendor/reseller/customer scheme.
Sysinit is a system-initialization scheme for use with Linux and a daemon-management scheme for use with runit or daemontools. It provides a common interface to all functionality, and uses envdirs instead of sourced shell scripts or custom configuration files. It does error handling, handles dependencies gracefully and simply, and handles runlevels.
The sysstat package contains the sar, sadf, iostat, nfsiostat, cifsiostat, mpstat, and pidstat commands for Linux. The sar command collects and reports system activity information. The statistics reported by sar concern I/O transfer rates, paging activity, process-related activites, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities, and TTY statistics, among others. The sadf command may be used to display data collected by sar in various formats. The iostat command reports CPU statistics and I/O statistics for tty devices and disks. The pidstat command reports statistics for Linux processes. The mpstat command reports global and per-processor statistics. The nfsiostat command reports I/O statistics for network filesystems. The cifsiostat command reports I/O statistics for CIFS filesystems.