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@subsection Goals
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This section exists to organize files related to @file{centos-art.sh}
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script @samp{verify} functionality. The @samp{verify}
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functionality of @file{centos-art.sh} script helps you to verify the
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workstation configuration you are planning to use as host for your
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working copy of CentOS Artwork Repository.
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@subsection Description
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The first time you download CentOS Artwork Repository you need to
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configure your workstation in order to use @file{centos-art.sh}
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script. These preliminar configurations are based mainly on auxiliar
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RPM packages installation, symbolic links creations, and environment
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variables definitions. The @samp{verify} functionality of
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@file{centos-art.sh} script guides you through this preliminar
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configuration process.
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If this is the first time you run @file{centos-art.sh} script, the
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appropriate way to use its @samp{verify} functionality is not using
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the @file{centos-art.sh} script directly, but the absolute path to
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@command{centos-art.sh} script instead (i.e.,
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@file{~/artwork/trunk/Scripts/Bash/centos-art.sh}). This is necessary
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because @file{centos-art} symbolic link, under @file{~/bin/}
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directory, has not been created yet.
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@subsubsection Packages
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Installation of auxiliar RPM packages provides the software required
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to manipulate files inside the repository (e.g., image files,
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documentation files, translation files, script files, etc.). Most of
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RPM packages @command{centos-art.sh} script uses are shipped with
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CentOS distribution, and can be installed from CentOS base repository.
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The only exception is @samp{inkscape}, the package we use to
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manipulate SVG files. The @samp{inkscape} package is not inside
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CentOS distribution so it needs to be installed from third party
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repositories.
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@quotation
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@strong{Note} Configuration of third party repositories inside CentOS
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distribution is described in CentOS wiki, specifically in the
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following URL:
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@url{http://wiki.centos.org/AdditionalResources/Repositories}
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@end quotation
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Before installing packages, the @file{centos-art.sh} script uses
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@command{sudo} to request root privileges to execute @command{yum}
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installation functionality. If your user isn't defined as a
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privileged user---at least to run @command{yum} commands--- inside
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@file{/etc/sudoers} configuration file, you will not be able to
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perform package installation tasks as set in @file{centos-art.sh}
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script @samp{verify} functionality.
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Setting sudo privileges to users is an administrative task you have to
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do by yourself. If you don't have experience with @command{sudo}
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command, please read its man page running the command: @command{man
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sudo}. This reading will be very useful, and with some practice, you
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will be able to configure your users to have @command{sudo}
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privileges.
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@subsubsection Links
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Creation of symbolic links helps us to alternate between different
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implementations of @file{centos-art.sh} script-line (e.g.,
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@file{centos-art.sh}, for Bash implementation; @file{centos-art.py},
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for Python implementation; @file{centos-art.pl}, for Perl
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implementation; and so on for other implementations). The
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@file{centos-art.sh} script-line definition takes place inside your
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personal binary (@file{~/bin/}) directory in order to make the script
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implementation ---the one that @file{centos-art} links to--- available
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to @var{PATH} environment variable.
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Creation of symbolic links helps us to reuse components from repository
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working copy. For example, color information files maintained inside
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your working copy must never be duplicated inside program-specific
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configuration directories that uses them in your workstation (e.g.,
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Gimp, Inkscape, etc.). Instead, a symbolic link must be created for
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each one of them, from program-specific configuration directories to
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files in the working copy. In this configuration, when someone
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commits changes to color information files up to central repository,
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they---the changes committed--- will be immediatly available to your
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programs the next time you update your working copy ---the place
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inside your workstation those color information files are stored---.
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Creation of symbolic links helps us to make @file{centos-art.sh}
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script functionalities available outside @file{trunk/} repository
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directory structure, but at its same level in repository tree. This is
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useful if you need to use the ``render'' functionality of
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9c6e0d |
@command{centos-art.sh} under @file{branches/} repository directory
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structure as you usually do inside @file{trunk/} repository directory
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structure. As consequence of this configuration, automation scripts
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cannot be branched under @file{branches/Scripts} directory structure.
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9c6e0d |
@subsubsection Environment variables
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Definition of environemnt variables helps us to set default values to
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our user session life. The user session environment variable defintion
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takes place in the user's @file{~/.bash_profile} file. The
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9c6e0d |
@samp{verify} functionality of @file{centos-art.sh} script doesn't
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modify your @file{~/.bash_profile} file.
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The @samp{verify} functionality of @file{centos-art.sh} script
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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evaluates the following environment variables:
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@table @env
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@item EDITOR
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Default text editor.
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9c6e0d |
The @file{centos-art.sh} script uses default text @env{EDITOR} to edit
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pre-commit subversion messages, translation files, configuration
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files, script files, and similar text-based files.
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If @env{EDITOR} environment variable is not set, @file{centos-art.sh}
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script uses @file{/usr/bin/vim} as default text editor. Otherwise, the
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following values are recognized by @file{centos-art.sh} script:
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@itemize
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@item @file{/usr/bin/vim}
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@item @file{/usr/bin/emacs}
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@item @file{/usr/bin/nano}
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@end itemize
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If no one of these values is set in @env{EDITOR} environment variable,
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9c6e0d |
@file{centos-art.sh} uses @file{/usr/bin/vim} text editor by default.
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9c6e0d |
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@item TEXTDOMAIN
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Default domain used to retrieve translated messages. This variable is
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9c6e0d |
set in @file{initFunctions.sh} and shouldn't be changed.
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9c6e0d |
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9c6e0d |
@item TEXTDOMAINDIR
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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9c6e0d |
Default directory used to retrieve translated messages. This variable
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is set in @file{initFunctions.sh} and shouldn't be changed.
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@item LANG
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Default locale information.
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9c6e0d |
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This variable is initially set in the configuration process of CentOS
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
distribution installer (i.e., Anaconda), specifically in the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@samp{Language} step; or once installed using the
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9c6e0d |
@command{system-config-language} tool.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
The @file{centos-art.sh} script uses the @var{LANG} environment
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9c6e0d |
variable to know in which language the script messages are printed
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
out.
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9c6e0d |
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9c6e0d |
@item TZ
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
Default time zone representation.
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9c6e0d |
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9c6e0d |
This variable is initially set in the configuration process of CentOS
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
distribution installer (i.e., Anaconda), specifically in the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@samp{Date and time} step; or once installed using the
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9c6e0d |
@command{system-config-date} tool.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
The @file{centos-art.sh} script doesn't use the @var{TZ} environment
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9c6e0d |
variable information at all. Instead, this variable is used by the
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9c6e0d |
system shell to show the time information according to your phisical
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
location on planet Earth.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
Inside your computer, the time information is firstly set in the BIOS
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
clock (which may need correction), and later in the configuration
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9c6e0d |
process of CentOS distribution installer (or later, by any of the
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9c6e0d |
related configuration tools inside CentOS distribution). Generally,
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9c6e0d |
setting time information is a straight-forward task and configuration
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
tools available do cover most relevant location. However, if you need
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9c6e0d |
a time precision not provided by the configuration tools available
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9c6e0d |
inside CentOS distribution then, using @var{TZ} variable may be
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
necessary.
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9c6e0d |
@quotation
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@strong{Convenction} In order to keep changes syncronized between
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
central repository and its working copies: configure both repository
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
server and workstations (i.e., the place where each working copy is
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
set on) to use Coordinated Universal Time (UTC) as base time
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
representation. Later, correct the time information for your specific
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9c6e0d |
location using time zone correction.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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@end quotation
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9c6e0d |
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9c6e0d |
The format of @var{TZ} environment variable is described in
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@file{tzset(3)} manual page.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
@end table
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9c6e0d |
@subsection Usage
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9c6e0d |
@table @command
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@item centos-art verify --packages
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
Verify required packages your workstation needs in order to run the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@file{centos-art.sh} script correctly. If there are missing packages,
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
the @file{centos-art.sh} script asks you to confirm their
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
installation. When installing packages, the @file{centos-art.sh}
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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script uses the @command{yum} application in order to achieve the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
task.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
In case all packages required by @file{centos-art.sh} script are
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
already installed in your workstation, the message @samp{The required
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
packages are already installed.} is output for you to know.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@item centos-art verify --links
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
Verify required links your workstation needs in order to run the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
centos-art command correctly. If any required link is missing, the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@command{centos-art.sh} script asks you to confirm their installation.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
To install required links, the @command{centos-art.sh} script uses the
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@command{ln} command.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
In case all links required by @file{centos-art.sh} script are already
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
created in your workstation, the message @samp{The required links are
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
already installed.} is output for you to know.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
In case a regular file exists with the same name of a required link,
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
the @file{centos-art.sh} script outputs the @samp{Already exists as
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
regular file.} message when listing required links that will be
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
installed. Of course, as there is already a regular file where must be
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
a link, no link is created. In such cases the @file{centos-art.sh}
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
script will fall into a continue installation request for that missing
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
link. To end this continue request you can answer @samp{No}, or
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
remove the existent regular file to let @file{centos-art.sh} script
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
install the link on its place.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@item centos-art verify --environment
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@itemx centos-art verify --environment --filter='regex'
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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9c6e0d |
Output a brief description of environment variables used by
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@file{centos-art.sh} script.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
If @samp{--filter} option is provided, output is reduced as defined in
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
the @samp{regex} regular expression value. If @samp{--filter} option
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
is specified but @samp{regex} value is not, the @file{centos-art.sh}
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
script outputs information as if @samp{--filter} option had not been
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
provided at all.
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@end table
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@subsection See also
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@menu
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
be55d4 |
* Directories trunk Scripts Bash::
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
be55d4 |
@comment --- Removed(* Directories trunk Scripts Bash Functions::) ---
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![](https://seccdn.libravatar.org/avatar/6547be6a776b3f31e43b7f4b6dd82ebcede0f2d11be196e3a70e28760a760a3c?s=16&d=retro) |
9c6e0d |
@end menu
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