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## 9. Appendix B: Installing the CTAN teTeX distribution.

The generic, teTeX distribution isn't any harder to install than the Linux packages. See section Generic CTAN distribution, below.

You should consider installing the generic teTeX distribution from the CTAN archives if:

- Your system isn't based on one of the standard Linux distributions.
- You don't have root privileges on your system.
- You want or need to have the very latest version of teTeX, or LaTeX.
- You don't have enough disk space available for a full installation.
- You want to install teTeX somewhere instead of the `/usr` file system.
- You would like to share your teTeX installation with other UNIX variants or platforms on a network. In this case, you should strongly consider installing from the source distribution. See section Installing the source distribution, below.
- You want the latest versions of teTeX's public domain Type 1 fonts, which are significantly better than the fonts included in earlier releases.

A complete installation of the binary distribution requires 40-50 Mb of disk space, and building the distribution from the source code takes about 75 Mb, so you should make sure that the disk space is available before you start. You don't need to have the GCC compiler or the X Windows System installed (although X certainly helps because it is much easier to preview documents on-screen). All you need is an editor that is capable of producing plain ASCII, text (see section 2). What could be simpler?

You can retrieve the files from one of the CTAN archives listed in section Appendix A. In the examples below, the files were retrieved from the CTAN archive at ftp.tex.ac.uk.

## 9.1 Installing the binary distribution.

### Minimal installation.

First, FTP to ftp.tex.ac.uk and `cd` to the directory

    ctan/tex-archive/systems/unix/teTeX/distrib/

Retrieve the files

    INSTALL.bin
    install.sh

and place them in the top-level directory where you want to install teTeX, for example, `/var/teTeX` if you plan to install teTeX in the `/var` file system.

Print out the `INSTALL.bin` file. Keep this file handy, because it describes how to install a minimal teTeX installation. The minimal installation requires only 10-15 MB of disk space, but it is recommended that you install the complete teTeX package if at all possible. For a minimum installation, you'll need the files

    ctan/tex-archive/systems/unix/teTeX/distrib/base/latex-base.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/base/tetex-base.tar.gz

You'll also need one of two archives which contain the executable teTeX programs. Retrieve the archive file

    ctan/tex-archive/systems/unix/teTeX/distrib/binaries/i386-linux.tar.gz

if your system uses the Linux ELF shared libraries, `ld.so` of at least version 1.73, and clibs of at least version 5.09. If it doesn't, retrieve the archive

    ctan/tex-archive/systems/unix/teTeX/distrib/binaries/i386-linuxaout.tar.gz

which is compiled for systems that use the older, a.out-format static libraries.

Then, following the instructions in the file `INSTALL.bin`, execute the command

    sh ./install.sh

while in the top-level teTeX installation directory. (Make sure that the teTeX archives are located there, too.) After a few moments, the installation program will warn you that you are missing some of the teTeX packages. However, if you're planning only a minimal teTeX installation, you should ignore the warnings and proceed. To configure the basic teTeX system, see section Base system configuration, below.

To install the remaining packages, see the next section.

### Complete installation.

To perform a complete teTeX installation, retrieve the archive files listed in the previous section, as well as the following files:

    ctan/tex-archive/systems/unix/teTeX/distrib/doc/ams-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/bibtex-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/eplain-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/fonts-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/general-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/generic-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/latex-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/makeindex-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/metapost-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/doc/programs-doc.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/ams-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/dc-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/ec-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/misc-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/postscript-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/fonts/sauter-fonts.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/amstex.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/bibtex.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/eplain.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/latex-extra.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/metapost.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/pictex.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/pstricks.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/texdraw.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/goodies/xypic.tar.gz

All of these files should be placed in the top-level directory where you want teTeX to reside. As with the minimal installation, execute the command

    sh ./install.sh

## 9.2 Base system configuration.

The `install.sh` script, after determining which teTeX archive series are present, will present you with a menu of options. The only setting you need to make at this point is to set the top-level directory where you want teTeX installed, by selecting the ``D'' option. You must, of course, choose a directory in whose parent directory you have write permissions. For example, if you are installing teTeX in your home directory, you would specify the teTeX installation directory as

    /home/john.q.public/teTeX

and, after returning to the main menu, select ``I'' to proceed with the installation. Note that the directory must not exist already: the `install.sh` script must be able to create it.

An option which you should consider enabling, is setting an alternative directory for generated fonts. Even if you plan to use only Postscript-format, Type 1 scalable fonts, occasionally you'll process a file that requires the Computer Modern fonts. Enabling this option requires that you enter the directory to use. You must have write permissions for the parent directory. Following the example above, you could specify

    /home/john.q.public/texfonts

or, if you want the generated fonts to be accessible by all users on the system, specify a directory like

    /var/texfonts

I would recommend that you not, however, use the default `/var/tmp/texfonts` directory for this option, because the generated fonts could be deleted after the next reboot, and the fonts will need to be generated again the next time they're needed.

After you've selected the option ``I'', and `install.sh` has installed the archives, set various permissions, and generated its links and format files, the program will exit with a message telling you to add the teTeX binary directory to your `$PATH` environment variable, and the directories where the man pages and info files reside to your `$MANPATH` and `$INFOPATH` environment variables. For example, add the statements

    export PATH=$PATH:"/home/john.q.public/teTeX/bin"
    export MANPATH=$MANPATH":/home/john.q.public/teTeX/man"
    export INFOPATH$=INFOPATH":/home/john.q.public/teTeX/info"

to your `~/.bash_profile` if you use `bash` as your shell, or to your `~/.profile` if you use another shell for logins.

Log out, and then log in again, so the environment variables are registered. Then, run the command

    texconfig confall

to insure that the installation is correct.

Next, you can configure teTeX for you specific hardware. See section Post-installation configuration details, below.

## 9.3 Installing the CTAN source distribution.

To install teTeX V. 0.4 from the source code, `ftp` to a CTAN site like ftp://ftp.tex.ac.uk and retrieve the files

    ctan/tex-archive/systems/unix/teTeX/distrib/INSTALL.src
    ctan/tex-archive/systems/unix/teTeX/distrib/sources/README.texmf-src
    ctan/tex-archive/systems/unix/teTeX/distrib/sources/teTeX-lib-0.4pl8.tar.gz
    ctan/tex-archive/systems/unix/teTeX/distrib/sources/teTeX-src-0.4pl7.tar.gz

Read over the instructions in `INSTALL.src`, then `su` to root and unpack the files in a directory for which you have read-write-execute permissions.

Remember to use the `p` argument to `tar`, and also remember to unset the `noclobber` option of `bash`. You can do this with the counterintuitive command

    set +o noclobber

Note that the argument `+o` to `set` unsets a variable, just exactly backwards from what you might expect.

The file `teTeX-lib-0.4pl8.tar.gz` will create the directory `./teTeX`. The file `teTeX-src-0.4pl7.tar.gz` will create the directory `teTeX-src-0.4` Print out the file `INSTALL.src` and keep it nearby for the following steps. `cd` to the `./teTeX-src-0.4` directory, and, per the instructions in the `INSTALL.src` file, edit `./Makefile`. You need to set the `TETEXDIR` variable to the absolute path of the parent teTeX directory. This will be the subdirectory `teTeX` of the directory where you unpacked the source and library archives. For example, if you unpacked the archives in your home directory, you would set `TETEXDIR` to

    /home/john.q.public/teTeX

The rest of the `Makefile` options are pretty generic. With GCC version 2.7.2 and later, you should not need to make any further adjustments unless you have a non-standard compiler and library setup, or want the compiler to perform some further optimizations, or for some other reason. Check that the `USE_DIALOG`, `USE_NCURSES`, and `HAVE_NCURSES` variables are set correctly for your system, because the `dialog` program needs the ncurses library to be installed. A `ncurses` library is included in the source distribution, so the default values in the `Makefile` should work fine. If you can't get `ncurses` to compile or link, `texconfig` can also be run from the command line.

If you've done everything correctly up to this point, you should be able to type `make world` in the top-level source directory, and relax until the teTeX executables are built. This can take a few hours.

After the build has completed, set the environment variables `$PATH, $MANPATH`, and `$INFOPATH` to include the teTeX directories. The statements which would be added to the file `~/.bash_profile`, in the example, above, would be

    export PATH=$PATH":/home/john.q.public/teTeX/bin/i386-linux"
    export MANPATH=$MANPATH":/home/john.q.public/teTeX/man"
    export INFOPATH=$INFOPATH":/home/john.q.public/teTeX/info"

The `$PATH` variable is different in the source distribution than in the binary distribution. Note that here the path to the binaries is `teTeX/bin/i386-linux` instead of simply `teTeX/bin` as in the binary distribution.

At this point you can run `texconfig confall` to ensure that the paths have been set correctly, and then proceed to configure teTeX as in the binary distribution. See the section Post-installation configuration details, below.

## 9.4 Post-installation configuration details.

The first thing you want to do is look at Thomas Esser's `README` file. It contains a lot of hints on how to configure teTeX for your output device (i.e., printer). The `README` file is located in the directory

    /usr/lib/teTeX/texmf/doc/tetex

Read the file over with the command (the path in the following examples is that of the Slackware distribution):

    less /usr/lib/teTeX/texmf/doc/tetex/README

or, print it out with the command

    cat /usr/lib/teTeX/texmf/doc/tetex/README >/dev/lp0

assuming that your printer is connected to `/dev/lp0`. Substitute the device driver file that your printer is connected to, as appropriate.

Or, better still, print it using the `lpr` command:

    lpr /usr/lib/teTeX/texmf/doc/tetex/README

You should have installed the printer daemon that is included with your distribution of Linux. If not, do that now, per the instructions that come with the package.

Print out the `teTeX-FAQ.` Keep the FAQ handy because it contains useful hints for configuring teTeX's output drivers for your printer. We'll get to that in a moment. In more recent releases of teTeX, the `teTeX-FAQ` is viewable via the `texconfig` utility.

Next, you want to define a directory to store your own TeX format files. teTeX searches the directories listed by the `$TEXINPUTS` environment variable for local TeX input files:

    export TEXINPUTS=".:~/texinputs:"

to the system-wide `/etc/profile` file. Individual users can set their own local `$TEXINPUTS` directory, by adding the line in their `~/.profile` or `~/.bash_profile` if `bash` is the default shell. The `$TEXINPUTS` environment variable tells teTeX to look for users' individual TeX style files in the `~/texinputs` directories under each user's home directory. It is critical that a colon appear before and after this directory. teTeX is going to append its own directory searches to your own. You want to have teTeX search the local format files first, so it uses the local versions of any of the standard files you have edited.

Add the `/usr/lib/teTeX/bin` directory to the system-wide path if you're installing teTeX as root. Again, if you're installing a personal copy of teTeX, add the directory where the teTeX binaries are located to the front your `$PATH` with the following line in your `~/.profile` or `~/.bash_profile`:

    export PATH="~/tetex/bin:"$PATH

Now, log in as `root` and run `texconfig` per the instructions in the `teTeX-FAQ` and choose the printer that is attached to your system. Make sure that you configure teTeX for both the correct printer and printer resolution.

Finally, run the `texhash` program. This ensures that teTeX's internal database is up to date. The database is actually a `ls-lR` file. You must run `texhash` every time you change the system configuration, or teTeX will not be able to locate your changes.

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