312 lines
9.6 KiB
Groff
312 lines
9.6 KiB
Groff
.\" Man page generated from reStructuredText.
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.TH "LORAX" "1" "Nov 29, 2016" "26.2" "Lorax"
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.SH NAME
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lorax \- Lorax Documentation
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.INDENT 0.0
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.TP
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.B Authors
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Brian C. Lane <\fI\%bcl@redhat.com\fP>
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.UNINDENT
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.sp
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"I am the Lorax. I speak for the trees [and images]."
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.sp
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The \fI\%lorax\fP tool is used to create the
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\fI\%Anaconda\fP installer boot.iso as
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well as the basic release tree, and .treeinfo metadata file. Its dependencies
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are fairly light\-weight because it needs to be able to run in a mock chroot
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environment. It is best to run lorax from the same release as is being targeted
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because the templates may have release specific logic in them. eg. Use the
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rawhide version to build the boot.iso for rawhide, along with the rawhide
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repositories.
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.SH LORAX CMDLINE ARGUMENTS
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.sp
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Create the Anaconda boot.iso
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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usage: lorax [\-h] \-p PRODUCT \-v VERSION \-r RELEASE [\-s REPOSITORY]
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[\-\-repo REPOSITORY] [\-m REPOSITORY] [\-t VARIANT] [\-b URL]
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[\-\-isfinal] [\-c CONFIGFILE] [\-\-proxy HOST] [\-i PACKAGE]
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[\-e PACKAGE] [\-\-buildarch ARCH] [\-\-volid VOLID] [\-\-macboot]
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[\-\-nomacboot] [\-\-noupgrade] [\-\-logfile LOGFILE] [\-\-tmp TMP]
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[\-\-cachedir CACHEDIR] [\-\-workdir WORKDIR] [\-\-force]
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[\-\-add\-template ADD_TEMPLATES]
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[\-\-add\-template\-var ADD_TEMPLATE_VARS]
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[\-\-add\-arch\-template ADD_ARCH_TEMPLATES]
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[\-\-add\-arch\-template\-var ADD_ARCH_TEMPLATE_VARS] [\-\-noverify]
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[\-\-sharedir SHAREDIR] [\-\-enablerepo [repo]]
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[\-\-disablerepo [repo]] [\-\-rootfs\-size ROOTFS_SIZE] [\-V]
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OUTPUTDIR
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B Positional arguments:
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.INDENT 7.0
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.TP
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.Boutputdir
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Output directory
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.UNINDENT
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.TP
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.B Options:
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.INDENT 7.0
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.TP
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.B \-p\fP,\fB \-\-product
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product name
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.TP
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.B \-v\fP,\fB \-\-version
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version identifier
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.TP
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.B \-r\fP,\fB \-\-release
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release information
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.TP
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.B \-s=[]\fP,\fB \-\-source=[]
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source repository (may be listed multiple times)
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.TP
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.B \-\-repo=[]
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source dnf repository file
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.TP
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.B \-m=[]\fP,\fB \-\-mirrorlist=[]
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mirrorlist repository (may be listed multiple times)
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.TP
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.B \-t\fP,\fB \-\-variant
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variant name
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.TP
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.B \-b=your distribution provided bug reporting tool\fP,\fB \-\-bugurl=your distribution provided bug reporting tool
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bug reporting URL for the product
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.TP
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.B \-\-isfinal=False
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Undocumented
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.TP
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.B \-c=/etc/lorax/lorax.conf\fP,\fB \-\-config=/etc/lorax/lorax.conf
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config file
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.TP
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.B \-\-proxy
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repo proxy url:port
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.TP
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.B \-i=[]\fP,\fB \-\-installpkgs=[]
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package glob to install before runtime\-install.tmpl runs. (may be listed multiple times)
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.TP
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.B \-e=[]\fP,\fB \-\-excludepkgs=[]
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package glob to remove before runtime\-install.tmpl runs. (may be listed multiple times)
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.TP
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.B \-\-buildarch
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build architecture
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.TP
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.B \-\-volid
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volume id
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.TP
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.B \-\-macboot=True
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Undocumented
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.TP
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.B \-\-nomacboot=True
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Undocumented
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.TP
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.B \-\-noupgrade=True
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Undocumented
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.TP
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.B \-\-logfile=./lorax.log
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Path to logfile
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.TP
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.B \-\-tmp=/var/tmp
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Top level temporary directory
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.TP
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.B \-\-cachedir
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DNF cache directory. Default is a temporary dir.
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.TP
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.B \-\-workdir
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Work directory, overrides \-\-tmp. Default is a temporary dir under /var/tmp
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.TP
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.B \-\-force=False
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Run even when the destination directory exists
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.TP
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.B \-\-add\-template=[]
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Additional template for runtime image
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.TP
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.B \-\-add\-template\-var=[]
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Set variable for runtime image template
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.TP
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.B \-\-add\-arch\-template=[]
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Additional template for architecture\-specific image
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.TP
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.B \-\-add\-arch\-template\-var=[]
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Set variable for architecture\-specific image
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.TP
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.B \-\-noverify=True
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Do not verify the install root
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.TP
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.B \-\-sharedir
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Directory containing all the templates. Overrides config file sharedir
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.TP
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.B \-\-enablerepo=[]
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Names of repos to enable
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.TP
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.B \-\-disablerepo=[]
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Names of repos to disable
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.TP
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.B \-\-rootfs\-size=2
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Size of root filesystem in GiB. Defaults to 2.
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.TP
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.B \-V
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show program\(aqs version number and exit
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.UNINDENT
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.UNINDENT
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.SH QUICKSTART
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.sp
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Run this as root to create a boot.iso in \fB\&./results/\fP:
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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dnf install lorax
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setenforce 0
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lorax \-p Fedora \-v 23 \-r 23 \e
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\-s http://dl.fedoraproject.org/pub/fedora/linux/releases/23/Everything/x86_64/os/ \e
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\-s http://dl.fedoraproject.org/pub/fedora/linux/updates/23/x86_64/ \e
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\&./results/
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setenforce 1
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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You can add your own repos with \fB\-s\fP and packages with higher NVRs will
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override the ones in the distribution repositories.
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.sp
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Under \fB\&./results/\fP will be the release tree files: .discinfo, .treeinfo, everything that
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goes onto the boot.iso, the pxeboot directory, and the boot.iso under \fB\&./images/\fP\&.
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.SH HOW IT WORKS
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.sp
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Lorax uses \fI\%dnf\fP to install
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packages into a temporary directory, sets up configuration files, it then
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removes unneeded files to save space, and creates a squashfs filesystem of the
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files. The iso is then built using a generic initramfs and the kernel from the
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selected repositories.
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.sp
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To drive these processes Lorax uses a custom template system, based on \fI\%Mako
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templates\fP with the addition of custom
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commands (documented in \fBpylorax.ltmpl.LoraxTemplateRunner\fP). Mako
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supports \fB%if/%endif\fP blocks as well as free\-form python code inside \fB<%
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%>\fP tags and variable substitution with \fB${}\fP\&. The default templates are
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shipped with lorax in \fB/usr/share/lorax/templates.d/99\-generic/\fP and use the
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\fB\&.tmpl\fP extension.
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.SS runtime\-install.tmpl
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.sp
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The \fBruntime\-install.tmpl\fP template lists packages to be installed using the
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\fBinstallpkg\fP command. This template is fairly simple, installing common packages and
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architecture specific packages. It must end with the \fBrun_pkg_transaction\fP
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command which tells dnf to download and install the packages.
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.SS runtime\-postinstall.tmpl
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.sp
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The \fBruntime\-postinstall.tmpl\fP template is where the system configuration
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happens. The installer environment is similar to a normal running system, but
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needs some special handling. Configuration files are setup, systemd is told to
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start the anaconda.target instead of a default system target, and a number of
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unneeded services are disabled, some of which can interfere with the
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installation. A number of template commands are used here:
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.INDENT 0.0
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.IP \(bu 2
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\fBappend\fP to add text to a file.
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.IP \(bu 2
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\fBchmod\fP changes the file\(aqs mode.
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.IP \(bu 2
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\fBgconfset\fP runs gconfset.
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.IP \(bu 2
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\fBinstall\fP to install a file into the installroot.
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.IP \(bu 2
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\fBmkdir\fP makes a new directory.
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.IP \(bu 2
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\fBmove\fP to move a file into the installroot
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.IP \(bu 2
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\fBreplace\fP does text substitution in a file
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.IP \(bu 2
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\fBremove\fP deletes a file
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.IP \(bu 2
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\fBruncmd\fP run arbitrary commands.
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.IP \(bu 2
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\fBsymlink\fP creates a symlink
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.IP \(bu 2
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\fBsystemctl\fP runs systemctl in the installroot
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.UNINDENT
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.SS runtime\-cleanup.tmpl
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.sp
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The \fBruntime\-cleanup.tmpl\fP template is used to remove files that aren\(aqt strictly needed
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by the installation environment. In addition to the \fBremove\fP template command it uses:
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.INDENT 0.0
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.IP \(bu 2
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\fBremovepkg\fP
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remove all of a specific package\(aqs contents. A package may be pulled in as a dependency, but
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not really used. eg. sound support.
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.IP \(bu 2
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\fBremovefrom\fP
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Removes some files from a package. A file glob can be used, or the \-\-allbut option to
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remove everything except a select few.
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.IP \(bu 2
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\fBremovekmod\fP
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Removes kernel modules
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.UNINDENT
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.SS The squashfs filesystem
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.sp
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After \fBruntime\-*.tmpl\fP 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
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filesystem of it. This file is the / of the boot.iso\(aqs installer environment
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and is what is in the LiveOS/squashfs.img file on the iso.
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.SS iso creation
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.sp
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The iso creation is handled by another set of templates. The one used depends
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on the architecture that the iso is being created for. They are also stored in
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\fB/usr/share/lorax/templates.d/99\-generic\fP and are named after the arch, like
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\fBx86.tmpl\fP and \fBaarch64.tmpl\fP\&. 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 \fBtreeinfo\fP
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template command). Kernel and initrd are copied from the installroot to their
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final locations and then mkisofs is run to create the boot.iso
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.SH CUSTOM TEMPLATES
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.sp
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The default set of templates and configuration files from the lorax\-generic\-templates package
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are shipped in the \fB/usr/share/lorax/templates.d/99\-generic/\fP directory. You can
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make a copy of them and place them into another directory under \fBtemplates.d\fP
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and they will be used instead if their sort order is below all other directories. This
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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 \fB\-\-sharedir\fP to lorax.
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.SH AUTHOR
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Anaconda Team
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.SH COPYRIGHT
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2015, Red Hat, Inc.
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.\" Generated by docutils manpage writer.
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.
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