fping is a ping-like program which uses the Internet Control Message Protocol (ICMP) echo request to determine if a target host is responding. fping differs from ping in that you can specify any number of targets on the command line, or specify a file containing the lists of targets to ping. Instead of sending pings to one target until it times out or replies, fping will send out a ping packet and move on to the next target in a round-robin fashion.
Many project are mirrored worldwide. Mirmon helps in monitoring these mirrors. In a concise graphic format, mirmon shows each site's history of the last two weeks, making it easy to spot stale or dead mirrors. Mirmon quietly probes a subset of the sites in a given list, writes the results in the "state" file, and generates a Web page with the results. The package includes a Perl module called Mirmon.pm; this makes it easy to write applications related to mirmon.
The NET-SNMP (formerly UCD-SNMP) package contains various tools relating to the Simple Network Management Protocol including an extensible agent, an SNMP library, tools to request or set information from SNMP agents, tools to generate and handle SNMP traps, a version of the unix 'netstat' command using SNMP and a Tk/perl mib browser. It was originally based on the Carnegie Mellon University SNMP implementation (version 18.104.22.168), but has been greatly enhanced, ported and fixed and barely resembles the original package anymore.
GeoToad is a geocaching query tool to help speed up the boring part of geocaching: choosing the cache and collecting the data. It allows you to generate any kind of complex query you want, and the program will go and poll the Geocaching query, grab the data, and output it to any format you want. The Geocache info can be synced straight to your GPS, iPod, PDA, or cell phone in over 20 different formats.
The Boehm-Demers-Weiser conservative garbage collector can be used as a garbage collecting replacement for C malloc or C++ new. It is also used by a number of programming language implementations that use C as intermediate code. Alternatively, it may be used as a leak detector for C or C++ programs. A slightly older version of the garbage collector is also included as part of the GNU compiler (gcc) distribution.
sql2data fetches DNS information from an SQL database and dumps then in tinydns-data format into the file 'data'. Additional static DNS data from the text file static_data are copied into 'data'. sql2data optionally executes 'make' upon successful export/dump. Backups can be made to the files old_data and good_data.cdb. Optionally, DNS NOTIFY packets may be sent to the different nameservers referenced for the different zones.
This is a PHP class that attempts to validate a given e-mail address at three levels: matching the address against a RFC compliant regular expression, verifing the existence of the destination SMTP server by verifying the respective DNS MX record, and connecting to that server to see if the given address is accepted as a valid recipient. The class also features a debugging output option that lets you see the remote SMTP server connection and data exchange dialog to see the real cause why an apparently valid address may not be accepting messages.