pexconfig allows you to use a PXE-enabled network card as the first boot device for a system. This software suite also includes PXE-menu tools, which are used to control the booting of networked computers directly from the computer's console at the BIOS level before any operating system has been loaded. The menus provided by these tools can be used for diagnostic purposes, for firmware upgrades, or for selecting an operating system installation method.
Panoptes is a scalable, extensible network and host monitoring tool. It includes a dynamic Web management interface based on the Dojo toolkit. It monitors SNMP, TCP port availability, ICMP, HTTP response and content, and SSL certificates internally. It supports monitoring anything else via shell scripts. It also includes a packet capture tool for discovery of hosts, port, and OS.
Vimv is a utility to help rename various files at once using a text editor. It opens the list of files in a directory inside a text editor (vi by default). Then, any changes made in the editor will be reflected in the filesystem (the files in the directory will be renamed to the names saved in the editor).
Yasma (Yet Another Sendmail Logfile Analyzer) is a reporting tool for sendmail log files. It provides a nice overview of your mail traffic like: messages transferred, some average values, top lists of messages sent, received, rejected, etc., and top lists of supposed spammers, status messages, relay hosts, and mailers. It analyzes one or more log files from the command line and writes an HTML report. For security, it can hide the user part of mail addresses listed in the report. A GeoIP database can be used to show country information.
Belier allows opening a shell or executing a command on a remote computer through an SSH session. The main feature of Belier is its ability to cross several intermediate computers before realizing the job. You can execute commands with any account available on the remote computer. It is possible to switch an account on intermediate computers before accessing the final computer, and Belier will generate one script for each final computer to reach.