Useful tools on Ubuntu (V)

ubuntu_logo_81x81This post covers the utilities those start with V. Part of the series.

  1. vagalume (Multimedia) : Last.fm client designed for the GNOME desktop environment. It’s small and provides the basic Last.fm features, such as scrobbling, tags, recommendations, etc. Vagalume also supports other Last.fm-compatible services such as Libre.fm.
  2. vagrant (System Administration) : Provides the tools to create and configure lightweight, reproducible, and portable virtual environments. Vagrant uses VirtualBox to create its virtual machines and then uses Chef or Puppet to provision them.
  3. valgrind, valkyrie (Development) : System for debugging and profiling Linux programs. With its tool suite you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting and making your programs more stable.
  4. varnish (World Wide Web) : State of the art, high-performance web accelerator. Varnish Cache stores web pages in memory so web servers don’t have to create the same web page over and over again. Varnish serves pages much faster than any application server; giving the website a significant speed up.
  5. vbackup (System Administration) : Constists of a set of scripts that handle the various aspects of a backup. It can be easily extended to support other backup methods too. It can be used for full or incremental backups. It also includes a wizard for basic (quick) configuration.
  6. vbindiff (Utilities) : Displays files in hexadecimal and ASCII (or EBCDIC). It can also display two files at once, and highlight the differences between them. Unlike diff, it works well with large files (up to 4 GB).
  7. vbrfix (Multimedia) : Corrects MP3 files that have incorrect VBR information.
  8. vcheck (Utilities) : A tool for checking for latest versions of programs at HTTP and FTP locations given a list of URLs and (Perl-style) regular expressions to match, and to optionally download them automatically.
  9. vdesk (Miscellaneous – Graphical) : Manages virtual desktops for minimal window managers.
  10. vdr (Miscellaneous – Text Based) : Video Disk Recorder (VDR) is a digital sat-receiver program using Linux and DVB technologies. It allows one to record MPEG2 streams, as well as output the stream to TV. It is also possible to watch DVDs (hardware accelerated) with some comfort and use an IR remote control.
  11. vera (Word Processing) : Virtual Entity of Relevant Acronyms is a comprehensive dictionary of computer related acronyms with more than 11800 entries. This package contains the dictionary formatted as a single info file.
  12. vfu, vifm (Utilities) : Filemanagers using the ncurses library.
  13. vgabbj (Graphics) : A program that will grab an image from a v4l compatible device (usually a webcam of some sort) and save it in a jpg or png file.
  14. videocut (Miscellaneous – Graphical) : Desktop application specialized for creating compositions of screenshots from video files. Additional you can also export your whole composition in one image file with additional audio and video header information.
  15. videoporama (Miscellaneous – Graphical) : Make image slideshow and export to video file.
  16. viking (Utilities) : Aims to be easy to use, yet powerful in accomplishing a wide variety of GPS related tasks. It uses a hierarchical layering system to organize GPS data, maps, and other layer types with spatial data, such as coordinate lines.
  17. vilistextum (Word Processing) : Small and fast HTML to text / ascii converter specifically programmed to get the best out of incorrect html. It is quite fault-tolerant and deals well with badly-formed or otherwise quirky HTML. It is able to optimize for ebook reading, collapse multiple blank lines, and create footnotes out of links.
  18. vino (GNOME Desktop Environment) : VNC server for GNOME.
  19. visitors (World Wide Web) : A very fast web server log analyzer designed to be run from the command line, with support for text or html output and real-time statistics generation.
  20. visual-regexp (Development) : This Tcl script shows the result of running a regular expression, making debugging relatively easy. It also assists in the construction of regular expressions.
  21. vlock (Utilities) : Locks the current terminal (which may be any kind of terminal, local or remote), or locks the entire virtual console system, completely disabling all console access. vlock gives up these locks when either the password of the user who started vlock or the root password is typed.
  22. vmdk-stream-converter (Miscellaneous – Text Based) : Converts raw disk images to stream-optimized VMDK files for VMWare ESX/vSphere environment, and known to work on ESXi 4.1.
  23. vmware-manager (System Administration) : Utility to manage VMware virtual machines.
  24. vncsnapshot (Miscellaneous – Graphical) : A utility that takes JPEG snapshots from VNC servers.
  25. vnstat(i) (Networking) : Network traffic monitor for Linux. It keeps a log of daily network traffic for the selected interface(s).
  26. vokoscreen (Video software) : Record educational videos, live recordings of browser, installation, videoconferences etc. You can capture an alone video or video and sound (via ALSA or PulseAudio).
  27. volatility (Utilities) : The Volatility Framework is a completely open collection of tools for the extraction of digital artifacts from volatile memory (RAM) samples. It is useful in forensics analysis. The extraction techniques are performed completely independent of the system being investigated but offer unprecedented visibility into the runtime state of the system.
  28. volti, volumeicon-alsa (Multimedia) : Lightweight GTK+ application for controlling audio volume from system tray/notification area. Depends only on ALSA.
  29. vramsteg (Utilities) : A CLI progress bar that can be used from any script language. It supports color, labels, percentage completion, elapsed time and estimates.
  30. vrfy (Email) : A tool to verify e-mail addresses and mailing lists. In its simplest form it takes an address “user@domain”, figures out the MX hosts for “domain”, and issues the SMTP command VRFY at the primary MX host.
  31. vtgrab (System Administration) : A utility for monitoring the screen of another machine. It only works for text consoles.
  32. vtun (Networking) : Create virtual tunnels over TCP/IP networks with traffic shaping and compression. It supports IP, PPP, SLIP, Ethernet and other tunnel types.
  33. vusb-analyzer (Utilities) : A tool for visualizing logs of USB packets, from hardware or software USB sniffer tools.

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