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< h1 > Product and Updates Images< a class = "headerlink" href = "#product-and-updates-images" title = "Permalink to this headline" > ¶< / a > < / h1 >
< p > Lorax now supports creation of product.img and updates.img as part of the build
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process. This is implemented using the installimg template command which will
take the contents of a directory and create a compressed archive from it. The
directory must be created by one of the packages installed by
runtime-install.tmpl or by passing < tt class = "docutils literal" > < span class = "pre" > --installpkgs< / span > < span class = "pre" > < pkgname> < / span > < / tt > to lorax at
runtime. The x86, ppc, ppc64le and aarch64 templates all look for
/usr/share/lorax/product/ and /usr/share/lorax/updates/ directories in the
install chroot while creating the final install tree. If there are files in
those directories lorax will create images/product.img and/or
images/updates.img< / p >
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< p > These archives are just like an anaconda updates image – their contents are
copied over the top of the filesystem at boot time so that you can drop in
files to add to or replace anything on the filesystem.< / p >
< p > Anaconda has several places that it looks for updates, the one for product.img
is in /run/install/product. So for example, to add an installclass to Anaconda
you would put your custom class here:< / p >
< p > < tt class = "docutils literal" > < span class = "pre" > /usr/share/lorax/product/run/install/product/pyanaconda/installclasses/custom.py< / span > < / tt > < / p >
< p > If the packages containing the product/updates files are not included as part
of normal dependencies you can add specific packages with the < tt class = "docutils literal" > < span class = "pre" > --installpkgs< / span > < / tt >
command or the installpkgs paramater of < a class = "reference internal" href = "pylorax.html#pylorax.treebuilder.RuntimeBuilder" title = "pylorax.treebuilder.RuntimeBuilder" > < tt class = "xref py py-class docutils literal" > < span class = "pre" > pylorax.treebuilder.RuntimeBuilder< / span > < / tt > < / a > < / p >
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