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Administração

• Sudo
  Sudo (superuser do) allows a system administrator to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while logging the commands and arguments. By Todd C. Miller.
  Mirror sites: WS.
• Lsof [FTP]
  Lsof is a UNIX-specific tool, freeware, by Vic Abell. Its name stands for LiSt Open Files, and it does just that. It lists information about files that are open by the processes running on a UNIX system. Lsoft FAQ.
  Alguns mirrors: CERIAS, tux.org (FTP).
• DaemonTools
  Uma coleção de utilitários para gerenciamento de processos daemon como serviços em Unix, uma alternativa mais poderosa aos mecanismos inittab, init.d e rc.local. Open Source, por D. J. Bernstein.
  daemontools Frequently asked questions (FAQ).
• syslog-ng
  syslog-ng© is the world's most flexible and scalable audit trail processing tool for organizations of any size. It provides a centralised, securely stored log of all devices on your network, whatever platform they run on. And syslog-ng also incorporates a host of powerful features, including filtering based on message content, as well as customisable data mining and analysis capabilities. syslog-ng comes as part of the Zorp product line, or can be downloaded standalone, as a drop-in replacement for stock UNIX system logging software.
  Freeware by BalaBit Security.

Sincronização, Distribuição e Execução Remotas

Sincronização & Distribuição de Arquivos

• rsync
  By Andrew Tridgell and Paul Mackerras.
  rsync is an open source utility that provides fast and efficient incremental file transfer across a network, available under the Gnu Public License (GPL). rsync is a replacement for rcp with many more features. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync. It does this by sending just the differences in the files across the link, without requiring that both sets of files are present at one of the ends of the link beforehand.
• RDist by MagniComp
  RDist is a program to maintain identical copies of files over multiple hosts. It preserves the owner, group, mode, and mtime of files if possible and can update programs that are executing.
  Software gratuito, de distribuição livre. Quase todas as versões de UNIX incluem RDist, mas a maioria usa uma versão muito antiga, algumas vezes designada como "rdist 4.2BSD", "rdist clássico", ou "rdist versão 3".

Processamento Distribuído & Execuções Remotas

• GNU Queue
  Queue load-balancing/distributed batch processing and local rsh replacement system. Queue is a load-balancing system that lets users control their remote jobs in an intuitive, transparent and nearly seamless way. This is done with local shell job control and signaling and with Queue's innovative proxy deamon mechanism. Queue can be used as a local replacement for rsh to hosts within a homogeneous cluster under single administrative control. Queue also supports the more traditional email-based load-balancing and distributed batch-processing facilities using a number of criteria to decide where to send jobs.
  Projeto SourceForge: GNU Queue. SourceForge Queue Home-Page.
• shmux
  shmux is program for executing the same command on many hosts in parallel. For each target, a child process is spawned by shmux, and a shell on the target obtained one of the supported methods: rsh, ssh, or sh. The output produced by the children is received by shmux and either (optionally) output in turn to the user using an easy to read format, or written to files for later processing making it well suited for use in scripts.
• dsh - the distributed shell (2.0)
  dsh (the distributed shell) is a program which executes a single command on multiple remote machines. It can execute this command in parallel (i.e. on any number of machines at a time) or in serial (by specifying parallel execution of the command on 1 node at a time). It was originally designed to work with rsh, but has full support for ssh and with a little tweaking of the top part of the dsh executable, should work with any program that allows remote execution of a command without an interactive login. dsh requires Perl, version 5.005_03 or later. dsh License: GNU General Public License (GPL).
• DSH - distributed shell
  dsh is an implementation of a wrapper for executing multiple remote shell (rsh/remsh/ssh) commands, i.e., executing a shell and its commands on remote machines. Currently the DSH compilation is verified on AIX, Solaris, Cygwin, MacOSX, HP-UX 11.22, Linux.
• mussh - MUltihost SSH Wrapper
  Mussh is a shell script that allows you to execute a command or script over ssh on multiple hosts with one command. When possible mussh will use ssh-agent and RSA/DSA keys to minimize the need to enter your password more than once. Programming Language: Unix Shell. License: GNU General Public License (GPL).
• fping
  fping - a program to ping hosts in parallel. Maintained by Thomas Dzubin. fping is a ping-like program which uses the Internet Control Message Protocol (ICMP) echo request to determine if a host is up. fping is different from ping in that you can specify any number of hosts on the command line, or specify a file containing the lists of hosts to ping. Instead of trying one host until it timeouts or replies, fping will send out a ping packet and move on to the next host in a round-robin fashion. If a host replies, it is noted and removed from the list of hosts to check. If a host does not respond within a certain time limit and/or retry limit it will be considered unreachable. Unlike ping, fping is meant to be used in scripts and its output is easy to parse.

Servidores FTP & Trivial FTP (TFTP)

• ProFTPd
  ProFTPD: Highly configurable GPL-licensed FTP server software. Projetado desde o início para ser um servidor FTP para Unix seguro e configurável. ProFTPD inclui amplos recursos de configuração, que os servidores em ambiente Win32 vêm oferecendo e que faltam no popular wu-ftp.
• WU-FTPD Development Group
  Wuarchive-ftpd, mais conhecido como WU-FTPD, é um substituto do ftp daemon para sistemas Unix, desenvolvido originalmente na Washington University (*.wustl.edu) por Bryan D. O'Connor (que não trabalha mais neste software nem provê suporte a ele). WU-FTPD é o mais popular ftp daemon na Internet, usado em muitos sites FTP anônimo em todo o mundo.
  Wikipedia: WU-FTPD.
• utftpd: a TFTP server
  utftpd is a TFTP server with fine-grained access control, support for blksize (RFC 2348) and timeout options, and support for revision control. You can assign three different kinds of rights to every client: read, write, and create. utftpd is free software and released under the GNU General Public Licence. The package uses GNU autoconf and is aimed to be portable. Hosted by Uwe Ohse.
• publicfile
  publicfile securely supplies files to the public through HTTP and FTP. By D. J. Bernstein.

Clientes FTP

• NcFTP Client
  By NcFTP Software. NcFTP Cliente (ou apenas NcFTP) é um conjunto gratuito de programas aplicativos implementando o Protocolo de Transferência de Arquivos (FTP), incluindo um navegador FTP, utilitários de linha-de-comando (NcFTPGet, NcFTPPut, NcFTPLs) e um programa de FTP em lote (NcFTPBatch). NcFTP está em uso em sistemas UNIX desde 1991 e é uma popular alternativa ao programa de FTP padrão, oferecendo muitos melhoramentos de desempenho e facilidade sobre este. NcFTP roda em plataformas UNIX, Microsoft Windows e Apple Mac OS X.
• LFTP - reliable ftp client
  LFTP is sophisticated ftp/http client, file transfer program. Like BASH, it has job control and uses GNU readline library for input. It has bookmarks, built-in mirror, can transfer several files in parallel. It was designed with reliability in mind. LFTP is open source and free, by Alexander V. Lukyanov.
• ftpcopy: FTP client collections
  ftpcopy is a simple FTP client written to copy files or directories (recursively) from a FTP server. It was written to mirror FTP sites which support the EPLF directory listing format, but it also supports the traditional listing format (/bin/ls) And may also be used to simply copy files.
  ftpls is a FTP client which generates directory listings, either in plain text or HTML. The tools only support passive mode FTP. Hosted by Uwe Ohse.

Mirror/Site Download

• cURL & libcurl
  Curl is a command line tool for transferring files with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, GOPHER, TELNET, DICT, FILE and LDAP. Curl supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading, kerberos, HTTP form based upload, proxies, cookies, user+password authentication, file transfer resume, http proxy tunneling and a busload of other useful tricks.
• GNU Wget
  FSF Directory: Wget.
  Heiko Herold's windows wget spot.
• Getleft
  Getleft é um utilitário para download de sites Web completos. Você fornece um URL, e a busca inicia, facilmente trazendo cada URL com link naquele site. Getleft somente entende HTML puro, não suporta JavaScript. Gratuito, distribuído sob licença GPL, escrito em Tcl/Tk, por Andrés García. Disponível para Linux/Unix e Windows.

Administração - Outros

• ReiserFS
  ReiserFS: fast journaling file system.