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rdiff-backup backs up one directory to another, possibly over a network. The target directory ends up a copy of the source directory, but extra reverse diffs are stored in a special subdirectory of that target directory, so you can still recover files lost some time ago. The idea is to combine the best features of a mirror and an incremental backup. rdiff-backup also preserves subdirectories, hard links, dev files, permissions, uid/gid ownership (if it is running as root), and modification times. Finally, rdiff-backup can operate in a bandwidth efficient manner over a pipe, like rsync. Thus you can use rdiff-backup and ssh to securely back a hard drive up to a remote location, and only the differences will be transmitted.

realsync daemon with rsync and python: - config support /usr/local/etc/realsync.cfg - e-mail stats support - threads support - threads wait support

Rinse is a simple tool which is designed to carry out the installation of a new RPM-based distribution. Using rinse you can easily setup simple chroot() systems running different RPM-based distributions, such as Centos, Scientific Linux or openSUSE. The purpose and usage are analogous to the 'debootstrap' utility familiar to users of Debian GNU/Linux. It was primarily designed to work with the xen-tools software, which creates new guest images for running inder the Xen hypervisor.

Dir::Purge implements functions to reduce the number of files in a directory according to a strategy. It currently provides one strategy: removal of files by age.

Ruby-quota is a ruby library to manipulate filesystem quotas.

SCSI / firewire harddrive spindown daemon This is a small program for handling automated spinning down of SCSI harddrives. With SCSI devices it is not as common to spindown for power management purposes as for ATA however it might be required to spin down a disk contained in a firewire enclosure for instance.

stress is a tool which imposes a configurable amount of CPU, memory, I/O, or disk stress on a POSIX-compliant operating system. It is written in portable ANSI C, and uses the GNU Autotools to compile on a great number of UNIX-like operating systems. stress is not a benchmark. It is a tool used by system administrators to evaluate how well their systems will scale, by kernel programmers to evaluate perceived performance characteristics, and by systems programmers to expose the classes of bugs which only or more frequently manifest themselves when the system is under heavy load.

Hiera is a pluggable (YAML, JSON, Puppet) hierarchical database for storing infrastructure representation data.

Hiera is a pluggable (YAML, JSON, Puppet) hierarchical database for storing infrastructure representation data.

Terminal mixer can start processes inside a pseudo-terminal, which can be accessed through a Unix socket, TCP or even raw ethernet (not yet ported to FreeBSD). The programs can be linked to the current terminal, or they can be unlinked like in nohup. But even in this latter case you can connect to them using the mentioned protocols. tm can also start programs as if they communicate through pipes instead of terminals, and this can be quite useful for remote-controlling applications. More than one client can connect to the served pseudo-terminal, either using tm as a client or telnet for TCP. You can choose if they are only allowed to read, or they can also contribute on input.