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< title > Lorax — Lorax 26.2 documentation< / title >
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26.2
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< li class = "toctree-l1" > < a class = "reference internal" href = "intro.html" > Introduction to Lorax< / a > < / li >
< li class = "toctree-l1" > < a class = "reference internal" href = "intro.html#before-lorax" > Before Lorax< / a > < / li >
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< li class = "toctree-l2" > < a class = "reference internal" href = "#lorax-cmdline-arguments" > lorax cmdline arguments< / a > < / li >
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< li class = "toctree-l2" > < a class = "reference internal" href = "#quickstart" > Quickstart< / a > < / li >
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< li class = "toctree-l3" > < a class = "reference internal" href = "#the-squashfs-filesystem" > The squashfs filesystem< / a > < / li >
< li class = "toctree-l3" > < a class = "reference internal" href = "#iso-creation" > iso creation< / a > < / li >
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< h1 > Lorax< a class = "headerlink" href = "#lorax" title = "Permalink to this headline" > ¶< / a > < / h1 >
< table class = "docutils field-list" frame = "void" rules = "none" >
< col class = "field-name" / >
< col class = "field-body" / >
< tbody valign = "top" >
< tr class = "field-odd field" > < th class = "field-name" > Authors:< / th > < td class = "field-body" > Brian C. Lane < < a class = "reference external" href = "mailto:bcl%40redhat.com" > bcl< span > @ < / span > redhat< span > . < / span > com< / a > > < / td >
< / tr >
< / tbody >
< / table >
< p > “ I am the Lorax. I speak for the trees [and images].” < / p >
< p > The < a class = "reference external" href = "https://github.com/rhinstaller/lorax" > lorax< / a > tool is used to create the
< a class = "reference external" href = "https://github.com/rhinstaller/anaconda" > Anaconda< / a > installer boot.iso as
well as the basic release tree, and .treeinfo metadata file. Its dependencies
are fairly light-weight because it needs to be able to run in a mock chroot
environment. It is best to run lorax from the same release as is being targeted
because the templates may have release specific logic in them. eg. Use the
rawhide version to build the boot.iso for rawhide, along with the rawhide
repositories.< / p >
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< div class = "section" id = "lorax-cmdline-arguments" >
< h2 > lorax cmdline arguments< a class = "headerlink" href = "#lorax-cmdline-arguments" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Create the Anaconda boot.iso< / p >
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< div class = "highlight-default" > < div class = "highlight" > < pre > < span > < / span > < span class = "n" > usage< / span > < span class = "p" > :< / span > < span class = "n" > lorax< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > h< / span > < span class = "p" > ]< / span > < span class = "o" > -< / span > < span class = "n" > p< / span > < span class = "n" > PRODUCT< / span > < span class = "o" > -< / span > < span class = "n" > v< / span > < span class = "n" > VERSION< / span > < span class = "o" > -< / span > < span class = "n" > r< / span > < span class = "n" > RELEASE< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > s< / span > < span class = "n" > REPOSITORY< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > repo< / span > < span class = "n" > REPOSITORY< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > m< / span > < span class = "n" > REPOSITORY< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > t< / span > < span class = "n" > VARIANT< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > b< / span > < span class = "n" > URL< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > isfinal< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > c< / span > < span class = "n" > CONFIGFILE< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > proxy< / span > < span class = "n" > HOST< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > i< / span > < span class = "n" > PACKAGE< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > e< / span > < span class = "n" > PACKAGE< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > buildarch< / span > < span class = "n" > ARCH< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > volid< / span > < span class = "n" > VOLID< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > macboot< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > nomacboot< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > noupgrade< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > logfile< / span > < span class = "n" > LOGFILE< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > tmp< / span > < span class = "n" > TMP< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > cachedir< / span > < span class = "n" > CACHEDIR< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > workdir< / span > < span class = "n" > WORKDIR< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > force< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > add< / span > < span class = "o" > -< / span > < span class = "n" > template< / span > < span class = "n" > ADD_TEMPLATES< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > add< / span > < span class = "o" > -< / span > < span class = "n" > template< / span > < span class = "o" > -< / span > < span class = "n" > var< / span > < span class = "n" > ADD_TEMPLATE_VARS< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > add< / span > < span class = "o" > -< / span > < span class = "n" > arch< / span > < span class = "o" > -< / span > < span class = "n" > template< / span > < span class = "n" > ADD_ARCH_TEMPLATES< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > add< / span > < span class = "o" > -< / span > < span class = "n" > arch< / span > < span class = "o" > -< / span > < span class = "n" > template< / span > < span class = "o" > -< / span > < span class = "n" > var< / span > < span class = "n" > ADD_ARCH_TEMPLATE_VARS< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > noverify< / span > < span class = "p" > ]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > sharedir< / span > < span class = "n" > SHAREDIR< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > enablerepo< / span > < span class = "p" > [< / span > < span class = "n" > repo< / span > < span class = "p" > ]]< / span >
< span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > disablerepo< / span > < span class = "p" > [< / span > < span class = "n" > repo< / span > < span class = "p" > ]]< / span > < span class = "p" > [< / span > < span class = "o" > --< / span > < span class = "n" > rootfs< / span > < span class = "o" > -< / span > < span class = "n" > size< / span > < span class = "n" > ROOTFS_SIZE< / span > < span class = "p" > ]< / span > < span class = "p" > [< / span > < span class = "o" > -< / span > < span class = "n" > V< / span > < span class = "p" > ]< / span >
< span class = "n" > OUTPUTDIR< / span >
< / pre > < / div >
< / div >
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< dl class = "docutils" >
< dt > Positional arguments:< / dt >
< dd > < table class = "first last docutils option-list" frame = "void" rules = "none" >
< col class = "option" / >
< col class = "description" / >
< tbody valign = "top" >
< tr > < td class = "option-group" >
< kbd > outputdir< / kbd > < / td >
< td > Output directory< / td > < / tr >
< / tbody >
< / table >
< / dd >
< dt > Options:< / dt >
< dd > < table class = "first last docutils option-list" frame = "void" rules = "none" >
< col class = "option" / >
< col class = "description" / >
< tbody valign = "top" >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > -p< / span > , < span class = "option" > --product< / span > < / kbd > < / td >
< td > product name< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > -v< / span > , < span class = "option" > --version< / span > < / kbd > < / td >
< td > version identifier< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > -r< / span > , < span class = "option" > --release< / span > < / kbd > < / td >
< td > release information< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -s=[]< / span > , < span class = "option" > --source=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > source repository (may be listed multiple times)< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --repo=[]< / span > < / kbd > < / td >
< td > source dnf repository file< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -m=[]< / span > , < span class = "option" > --mirrorlist=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > mirrorlist repository (may be listed multiple times)< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > -t< / span > , < span class = "option" > --variant< / span > < / kbd > < / td >
< td > variant name< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -b=your distribution provided bug reporting tool< / span > , < span class = "option" > --bugurl=your distribution provided bug reporting tool< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > bug reporting URL for the product< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --isfinal=False< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Undocumented< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -c=/etc/lorax/lorax.conf< / span > , < span class = "option" > --config=/etc/lorax/lorax.conf< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > config file< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --proxy< / span > < / kbd > < / td >
< td > repo proxy url:port< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -i=[]< / span > , < span class = "option" > --installpkgs=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > package glob to install before runtime-install.tmpl runs. (may be listed multiple times)< / td > < / tr >
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< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > -e=[]< / span > , < span class = "option" > --excludepkgs=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > package glob to remove before runtime-install.tmpl runs. (may be listed multiple times)< / td > < / tr >
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< tr > < td class = "option-group" >
< kbd > < span class = "option" > --buildarch< / span > < / kbd > < / td >
< td > build architecture< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --volid< / span > < / kbd > < / td >
< td > volume id< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --macboot=True< / span > < / kbd > < / td >
< td > Undocumented< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --nomacboot=True< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Undocumented< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --noupgrade=True< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Undocumented< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --logfile=./lorax.log< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Path to logfile< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --tmp=/var/tmp< / span > < / kbd > < / td >
< td > Top level temporary directory< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --cachedir< / span > < / kbd > < / td >
< td > DNF cache directory. Default is a temporary dir.< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --workdir< / span > < / kbd > < / td >
< td > Work directory, overrides – tmp. Default is a temporary dir under /var/tmp< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --force=False< / span > < / kbd > < / td >
< td > Run even when the destination directory exists< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --add-template=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Additional template for runtime image< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --add-template-var=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Set variable for runtime image template< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --add-arch-template=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Additional template for architecture-specific image< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --add-arch-template-var=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Set variable for architecture-specific image< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --noverify=True< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Do not verify the install root< / td > < / tr >
< tr > < td class = "option-group" >
< kbd > < span class = "option" > --sharedir< / span > < / kbd > < / td >
< td > Directory containing all the templates. Overrides config file sharedir< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --enablerepo=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Names of repos to enable< / td > < / tr >
< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --disablerepo=[]< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Names of repos to disable< / td > < / tr >
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< tr > < td class = "option-group" colspan = "2" >
< kbd > < span class = "option" > --rootfs-size=2< / span > < / kbd > < / td >
< / tr >
< tr > < td > < / td > < td > Size of root filesystem in GiB. Defaults to 2.< / td > < / tr >
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< tr > < td class = "option-group" >
< kbd > < span class = "option" > -V< / span > < / kbd > < / td >
< td > show program’ s version number and exit< / td > < / tr >
< / tbody >
< / table >
< / dd >
< / dl >
< / div >
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< div class = "section" id = "quickstart" >
< h2 > Quickstart< a class = "headerlink" href = "#quickstart" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< p > Run this as root to create a boot.iso in < code class = "docutils literal" > < span class = "pre" > ./results/< / span > < / code > :< / p >
< div class = "highlight-default" > < div class = "highlight" > < pre > < span > < / span > < span class = "n" > dnf< / span > < span class = "n" > install< / span > < span class = "n" > lorax< / span >
< span class = "n" > setenforce< / span > < span class = "mi" > 0< / span >
< span class = "n" > lorax< / span > < span class = "o" > -< / span > < span class = "n" > p< / span > < span class = "n" > Fedora< / span > < span class = "o" > -< / span > < span class = "n" > v< / span > < span class = "mi" > 23< / span > < span class = "o" > -< / span > < span class = "n" > r< / span > < span class = "mi" > 23< / span > \
< span class = "o" > -< / span > < span class = "n" > s< / span > < span class = "n" > http< / span > < span class = "p" > :< / span > < span class = "o" > //< / span > < span class = "n" > dl< / span > < span class = "o" > .< / span > < span class = "n" > fedoraproject< / span > < span class = "o" > .< / span > < span class = "n" > org< / span > < span class = "o" > /< / span > < span class = "n" > pub< / span > < span class = "o" > /< / span > < span class = "n" > fedora< / span > < span class = "o" > /< / span > < span class = "n" > linux< / span > < span class = "o" > /< / span > < span class = "n" > releases< / span > < span class = "o" > /< / span > < span class = "mi" > 23< / span > < span class = "o" > /< / span > < span class = "n" > Everything< / span > < span class = "o" > /< / span > < span class = "n" > x86_64< / span > < span class = "o" > /< / span > < span class = "n" > os< / span > < span class = "o" > /< / span > \
< span class = "o" > -< / span > < span class = "n" > s< / span > < span class = "n" > http< / span > < span class = "p" > :< / span > < span class = "o" > //< / span > < span class = "n" > dl< / span > < span class = "o" > .< / span > < span class = "n" > fedoraproject< / span > < span class = "o" > .< / span > < span class = "n" > org< / span > < span class = "o" > /< / span > < span class = "n" > pub< / span > < span class = "o" > /< / span > < span class = "n" > fedora< / span > < span class = "o" > /< / span > < span class = "n" > linux< / span > < span class = "o" > /< / span > < span class = "n" > updates< / span > < span class = "o" > /< / span > < span class = "mi" > 23< / span > < span class = "o" > /< / span > < span class = "n" > x86_64< / span > < span class = "o" > /< / span > \
< span class = "o" > ./< / span > < span class = "n" > results< / span > < span class = "o" > /< / span >
< span class = "n" > setenforce< / span > < span class = "mi" > 1< / span >
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< / pre > < / div >
< / div >
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< p > You can add your own repos with < code class = "docutils literal" > < span class = "pre" > -s< / span > < / code > and packages with higher NVRs will
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override the ones in the distribution repositories.< / p >
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< p > Under < code class = "docutils literal" > < span class = "pre" > ./results/< / span > < / code > will be the release tree files: .discinfo, .treeinfo, everything that
goes onto the boot.iso, the pxeboot directory, and the boot.iso under < code class = "docutils literal" > < span class = "pre" > ./images/< / span > < / code > .< / p >
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< / div >
< div class = "section" id = "how-it-works" >
< h2 > How it works< a class = "headerlink" href = "#how-it-works" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > Lorax uses < a class = "reference external" href = "https://github.com/rpm-software-management/dnf" > dnf< / a > to install
packages into a temporary directory, sets up configuration files, it then
removes unneeded files to save space, and creates a squashfs filesystem of the
files. The iso is then built using a generic initramfs and the kernel from the
selected repositories.< / p >
< p > To drive these processes Lorax uses a custom template system, based on < a class = "reference external" href = "http://www.makotemplates.org/" > Mako
templates< / a > with the addition of custom
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commands (documented in < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner" title = "pylorax.ltmpl.LoraxTemplateRunner" > < code class = "xref py py-class docutils literal" > < span class = "pre" > pylorax.ltmpl.LoraxTemplateRunner< / span > < / code > < / a > ). Mako
supports < code class = "docutils literal" > < span class = "pre" > %if/%endif< / span > < / code > blocks as well as free-form python code inside < code class = "docutils literal" > < span class = "pre" > < %< / span >
< span class = "pre" > %> < / span > < / code > tags and variable substitution with < code class = "docutils literal" > < span class = "pre" > ${}< / span > < / code > . The default templates are
shipped with lorax in < code class = "docutils literal" > < span class = "pre" > /usr/share/lorax/templates.d/99-generic/< / span > < / code > and use the
< code class = "docutils literal" > < span class = "pre" > .tmpl< / span > < / code > extension.< / p >
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< div class = "section" id = "runtime-install-tmpl" >
< h3 > runtime-install.tmpl< a class = "headerlink" href = "#runtime-install-tmpl" title = "Permalink to this headline" > ¶< / a > < / h3 >
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< p > The < code class = "docutils literal" > < span class = "pre" > runtime-install.tmpl< / span > < / code > template lists packages to be installed using the
< code class = "docutils literal" > < span class = "pre" > installpkg< / span > < / code > command. This template is fairly simple, installing common packages and
architecture specific packages. It must end with the < code class = "docutils literal" > < span class = "pre" > run_pkg_transaction< / span > < / code >
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command which tells dnf to download and install the packages.< / p >
< / div >
< div class = "section" id = "runtime-postinstall-tmpl" >
< h3 > runtime-postinstall.tmpl< a class = "headerlink" href = "#runtime-postinstall-tmpl" title = "Permalink to this headline" > ¶< / a > < / h3 >
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< p > The < code class = "docutils literal" > < span class = "pre" > runtime-postinstall.tmpl< / span > < / code > template is where the system configuration
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happens. The installer environment is similar to a normal running system, but
needs some special handling. Configuration files are setup, systemd is told to
start the anaconda.target instead of a default system target, and a number of
unneeded services are disabled, some of which can interfere with the
installation. A number of template commands are used here:< / p >
< ul class = "simple" >
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< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.append" title = "pylorax.ltmpl.LoraxTemplateRunner.append" > < code class = "xref py py-func docutils literal" > < span class = "pre" > append< / span > < / code > < / a > to add text to a file.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.chmod" title = "pylorax.ltmpl.LoraxTemplateRunner.chmod" > < code class = "xref py py-func docutils literal" > < span class = "pre" > chmod< / span > < / code > < / a > changes the file’ s mode.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.gconfset" title = "pylorax.ltmpl.LoraxTemplateRunner.gconfset" > < code class = "xref py py-func docutils literal" > < span class = "pre" > gconfset< / span > < / code > < / a > runs gconfset.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.install" title = "pylorax.ltmpl.LoraxTemplateRunner.install" > < code class = "xref py py-func docutils literal" > < span class = "pre" > install< / span > < / code > < / a > to install a file into the installroot.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.mkdir" title = "pylorax.ltmpl.LoraxTemplateRunner.mkdir" > < code class = "xref py py-func docutils literal" > < span class = "pre" > mkdir< / span > < / code > < / a > makes a new directory.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.move" title = "pylorax.ltmpl.LoraxTemplateRunner.move" > < code class = "xref py py-func docutils literal" > < span class = "pre" > move< / span > < / code > < / a > to move a file into the installroot< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.replace" title = "pylorax.ltmpl.LoraxTemplateRunner.replace" > < code class = "xref py py-func docutils literal" > < span class = "pre" > replace< / span > < / code > < / a > does text substitution in a file< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.remove" title = "pylorax.ltmpl.LoraxTemplateRunner.remove" > < code class = "xref py py-func docutils literal" > < span class = "pre" > remove< / span > < / code > < / a > deletes a file< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.runcmd" title = "pylorax.ltmpl.LoraxTemplateRunner.runcmd" > < code class = "xref py py-func docutils literal" > < span class = "pre" > runcmd< / span > < / code > < / a > run arbitrary commands.< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.symlink" title = "pylorax.ltmpl.LoraxTemplateRunner.symlink" > < code class = "xref py py-func docutils literal" > < span class = "pre" > symlink< / span > < / code > < / a > creates a symlink< / li >
< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.systemctl" title = "pylorax.ltmpl.LoraxTemplateRunner.systemctl" > < code class = "xref py py-func docutils literal" > < span class = "pre" > systemctl< / span > < / code > < / a > runs systemctl in the installroot< / li >
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< / ul >
< / div >
< div class = "section" id = "runtime-cleanup-tmpl" >
< h3 > runtime-cleanup.tmpl< a class = "headerlink" href = "#runtime-cleanup-tmpl" title = "Permalink to this headline" > ¶< / a > < / h3 >
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< p > The < code class = "docutils literal" > < span class = "pre" > runtime-cleanup.tmpl< / span > < / code > template is used to remove files that aren’ t strictly needed
by the installation environment. In addition to the < code class = "docutils literal" > < span class = "pre" > remove< / span > < / code > template command it uses:< / p >
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< ul class = "simple" >
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< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.removepkg" title = "pylorax.ltmpl.LoraxTemplateRunner.removepkg" > < code class = "xref py py-func docutils literal" > < span class = "pre" > removepkg< / span > < / code > < / a >
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remove all of a specific package’ s contents. A package may be pulled in as a dependency, but
not really used. eg. sound support.< / li >
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< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.removefrom" title = "pylorax.ltmpl.LoraxTemplateRunner.removefrom" > < code class = "xref py py-func docutils literal" > < span class = "pre" > removefrom< / span > < / code > < / a >
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Removes some files from a package. A file glob can be used, or the – allbut option to
remove everything except a select few.< / li >
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< li > < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.removekmod" title = "pylorax.ltmpl.LoraxTemplateRunner.removekmod" > < code class = "xref py py-func docutils literal" > < span class = "pre" > removekmod< / span > < / code > < / a >
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Removes kernel modules< / li >
< / ul >
< / div >
< div class = "section" id = "the-squashfs-filesystem" >
< h3 > The squashfs filesystem< a class = "headerlink" href = "#the-squashfs-filesystem" title = "Permalink to this headline" > ¶< / a > < / h3 >
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< p > After < code class = "docutils literal" > < span class = "pre" > runtime-*.tmpl< / span > < / code > templates have finished their work lorax creates an
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empty ext4 filesystem, copies the remaining files to it, and makes a squashfs
filesystem of it. This file is the / of the boot.iso’ s installer environment
and is what is in the LiveOS/squashfs.img file on the iso.< / p >
< / div >
< div class = "section" id = "iso-creation" >
< h3 > iso creation< a class = "headerlink" href = "#iso-creation" title = "Permalink to this headline" > ¶< / a > < / h3 >
< p > The iso creation is handled by another set of templates. The one used depends
on the architecture that the iso is being created for. They are also stored in
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< code class = "docutils literal" > < span class = "pre" > /usr/share/lorax/templates.d/99-generic< / span > < / code > and are named after the arch, like
< code class = "docutils literal" > < span class = "pre" > x86.tmpl< / span > < / code > and < code class = "docutils literal" > < span class = "pre" > aarch64.tmpl< / span > < / code > . They handle creation of the tree, copying
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configuration template files, configuration variable substitution, treeinfo
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metadata (via the < a class = "reference internal" href = "pylorax.html#pylorax.ltmpl.LoraxTemplateRunner.treeinfo" title = "pylorax.ltmpl.LoraxTemplateRunner.treeinfo" > < code class = "xref py py-func docutils literal" > < span class = "pre" > treeinfo< / span > < / code > < / a >
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template command). Kernel and initrd are copied from the installroot to their
final locations and then mkisofs is run to create the boot.iso< / p >
< / div >
< / div >
< div class = "section" id = "custom-templates" >
< h2 > Custom Templates< a class = "headerlink" href = "#custom-templates" title = "Permalink to this headline" > ¶< / a > < / h2 >
< p > The default set of templates and configuration files from the lorax-generic-templates package
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are shipped in the < code class = "docutils literal" > < span class = "pre" > /usr/share/lorax/templates.d/99-generic/< / span > < / code > directory. You can
make a copy of them and place them into another directory under < code class = "docutils literal" > < span class = "pre" > templates.d< / span > < / code >
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and they will be used instead if their sort order is below all other directories. This
allows multiple packages to ship lorax templates without conflict. You can (and probably
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should) select the specific template directory by passing < code class = "docutils literal" > < span class = "pre" > --sharedir< / span > < / code > to lorax.< / p >
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< / div >
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< / div >
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< / div >
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< / div >
< footer >
< div class = "rst-footer-buttons" role = "navigation" aria-label = "footer navigation" >
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< a href = "livemedia-creator.html" class = "btn btn-neutral float-right" title = "livemedia-creator" accesskey = "n" > Next < span class = "fa fa-arrow-circle-right" > < / span > < / a >
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< a href = "intro.html" class = "btn btn-neutral" title = "Introduction to Lorax" accesskey = "p" > < span class = "fa fa-arrow-circle-left" > < / span > Previous< / a >
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< hr / >
< div role = "contentinfo" >
< p >
© Copyright 2015, Red Hat, Inc..
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Built with < a href = "http://sphinx-doc.org/" > Sphinx< / a > using a < a href = "https://github.com/snide/sphinx_rtd_theme" > theme< / a > provided by < a href = "https://readthedocs.org" > Read the Docs< / a > .
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