fsbackup is an incremental backup creation utility. It supports backup compression and encryption. Backups can be stored on the local file system, and a remote host (via SSH, or FTP). Some additional scripts allow backup SQL tables from PostgreSQL and MySQL, save system configuration files, and a list of installed packages. Backed-up files can be recovered, and system packages can be reinstalled.
skill sends signals to processes given any combination of user names, ttys, commands, and pids. snice changes the priority of processes (given the same). They are similar to kill(1) and renice(8), but the commandline is order-independent. There are also verbose, search, and interactive modes of operation.
Vexira Antivirus is virus defense system. It can identify which files may contain malicious code requiring further investigation, which greatly increases virus scanning speed. It features the ability to scan files automatically as they are accessed, configurable path protection, email notification, blocking of access to infected files, options to repair, rename, or delete infected files, automated Internet updating, virus scan archives (.zip, .rar, gz, .tar, etc.), a commandline scanner, scalable concurrent scanning, heuristic detection of new macro viruses, and low system resource requirements.
rsyncbackup is a handy tool for scheduled backups using rsync. rsyncbackup lets you easily setup multiple source folders and destinations, both locally, on your iPod or external firewire disk, or at a remote destination using ssh. rsyncbackup has no GUI, but is based on editing configuration files. The script is meant to be run in a crontab, so user interaction is not neccesary. Basic terminal skills are required to use the program.