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Original arch source control management CLI written in C
Arch is a really nifty revision control system. It's "whole-tree changeset
based" which means, roughly, that it can handle (with atomic commits) file
and directory adds, deletes, and renames cleanly, and that it does branching
simply and easily. Arch is also "distributed" which means, for example that
you can make arch branches of your own from remote projects, even if you do
not have write access to the revision control archives for those projects.
Graph and set datatypes for Python (C extension)
From the documentation:
The kjbuckets module defines three data types for Python: kjSet,
kjGraph, and kjDict. These types come with a number of associated
methods, including common set theoretical operations such as union,
intersection, difference, composition, transposition, reachability
sets, and transitive closure.
For suitably large compute intensive uses these types should provide
up to an order of magnitude speedup versus an implementation that uses
analogous operations implemented directly in Python.
List processes as a tree
This is pstree. It is a small program that shows the ps
listing as a tree (as the name implies...). It has several options
to make selection criteria and to change the output style.
For that it uses the output of /bin/ps.
Use ViM as a pager
Use ViM as a more(1)/less(1) pager replacement.
To set as your default pager, export PAGER=vimpager in your shell's
rcfile.
See the manpage for various options. Of note, some options in your
.vimrc can cause strange behaviour. Creating ~/.vimpagerrc will give
you a clean ViM environment.
Remove accents from a string
Text::Unaccent is a module that remove accents from a string. unac_string
converts the input string from the specified charset to UTF-16 and call
unac_string_utf16 to return the unaccented equivalent. The conversion from
and to UTF-16 is done with iconv(1).
Twm with a virtual desktop
tvtwm is a version of twm which incorporates virtual desktops, similar
to vtwm and swm. It is nearly identical to twm until you specify a
virtual desktop size in your .[tv]twmrc file, which is when you start
getting the benefits of this window manager.
Accrete is a physical simulation of solar system planet formation
Accrete is a physical simulation of solar system planet formation,
originally published to Usenet-- probably comp.sources.unix-- in 1991
by Joe Nowakowski. This software is in the public domain.
This simulation works by modelling a dust cloud around a Sun-like
star, injecting a series of masses which collect dust, and form
planets. The simulation then determines what the planetary
environments will be like in terms of temperature, atmospheric
composition, and other factors. The system description is saved to a
file named "New.System".
Designed to write a Makefile for an extension module
This utility is designed to write a Makefile for an extension module from a
Makefile.PL. It is based on the Makefile.SH model provided by Andy Dougherty
and the perl5-porters.
It splits the task of generating the Makefile into several subroutines that
can be individually overridden. Each subroutine returns the text it wishes to
have written to the Makefile.
MakeMaker is object oriented. Each directory below the current directory that
contains a Makefile.PL is treated as a separate object. This makes it possible
to write an unlimited number of Makefiles with a single invocation of
WriteMakefile().
Super-sed - a heavily enhanced version of sed
This is a version of sed based on GNU sed. It is not a version of
GNU sed, though.
There are several new features (including in-place editing of files,
extended regular expression syntax and a few new commands) and some
bug fixes; see the NEWS file for a brief summary and the ChangeLog
for more detailed descriptions of changes.
The biggest note, i think is the *huge* speed difference, where
regular sed might take a few mins, super-sed can take only seconds
this is not true in all cases, and sometimes you have modify your
regexp syntax, however for the speed increase, it might be worth
it.
Security scanner: looks for vulnerabilities in a given network
Nessus is a security scanner that crawls across a network, looking
for well-known vulnerabilities and common misconfiguration.
It has a unique set of features, including automatic SSL discovery,
services recognition (so it will catch, for instance, a FTP server
running on a port different than 21) and its own scripting language.
The Nessus Security Scanner is released under the GNU General Public
Licence and aims to be easy to use while extremely powerful.
PS: To install the lot in one operation, do nessus-plugins first.