Libguestfs is tools and a library for accessing and modifying guest disk images. For more information see the home page:
For discussion, development, patches, etc. please use the mailing list:
http://www.redhat.com/mailman/listinfo/libguestfs
To find out how to build libguestfs from source, read:
docs/guestfs-building.pod http://libguestfs.org/guestfs-building.1.html man docs/guestfs-building.1
Copyright (C) 2009-2020 Red Hat Inc.
The library is distributed under the LGPLv2+. The programs are distributed under the GPLv2+. Please see the files COPYING and COPYING.LIB for full license information. The examples are under a very liberal license.
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To build libguestfs from this repository
You may want to build the following packages if you are building on CentOS 8
sudo yum -y install glibc-devel gcc flex bison ncurses-devel libtirpc-devel pcre-devel
sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo yum install https://rpmfind.net/linux/centos/8.4.2105/BaseOS/x86_64/os/Packages/augeas-1.12.0-6.el8.x86_64.rpm
sudo yum install https://rpmfind.net/linux/centos/8.4.2105/PowerTools/x86_64/os/Packages/augeas-devel-1.12.0-6.el8.x86_64.rpm
sudo yum install http://mirror.centos.org/centos/8/PowerTools/x86_64/os/Packages/file-devel-5.33-16.el8_3.1.x86_64.rpm
sudo dnf install jansson-devel
sudo dnf install jansson
sudo dnf install fuse
sudo dnf install fuse-level
dnf --enablerepo=powertools install gperf
sudo yum install libcap-devel hivex hivex-devel supermin
sh <(curl -sL https://raw.githubusercontent.com/ocaml/opam/master/shell/install.sh)
sudo yum install patch make
sudo dnf --enablerepo=powertools install libconfig-devel
opam init
sudo dnf --enablerepo=powertools install ocaml
opam install ocamlfind
opam install ocamlbuild
sudo yum install http://mirror.centos.org/centos/8/PowerTools/x86_64/os/Packages/ocaml-hivex-1.3.18-20.module_el8.4.0+547+a85d02ba.x86_64.rpm
sudo yum install http://mirror.centos.org/centos/8/PowerTools/x86_64/os/Packages/ocaml-hivex-devel-1.3.18-20.module_el8.4.0+547+a85d02ba.x86_64.rpm
sudo yum install autoconf automake libtool gettext-devel
sudo yum install yum-utils
sudo dnf --enablerepo=powertools install ocaml-findlib-devel
sudo dnf --enablerepo=powertools install glibc-static lua-devel rpcgen ocaml-ocamldoc po4a perl-Test-Pod perl-Test-Pod-Coverage
sudo dnf --enablerepo=powertools install ocaml-camlp4
sudo yum install https://cbs.centos.org/kojifiles/packages/ocaml-fileutils/0.5.2/12.el8/x86_64/ocaml-fileutils-0.5.2-12.el8.x86_64.rpm
sudo yum install https://cbs.centos.org/kojifiles/packages/ocaml-gettext/0.3.7/7.el8/x86_64/ocaml-gettext-devel-0.3.7-7.el8.x86_64.rpm
sudo yum install https://cbs.centos.org/kojifiles/packages/ocaml-fileutils/0.5.2/12.el8/x86_64/ocaml-fileutils-devel-0.5.2-12.el8.x86_64.rpm
sudo yum install https://cbs.centos.org/kojifiles/packages/ocaml-fileutils/0.5.2/12.el8/x86_64/ocaml-fileutils-0.5.2-12.el8.x86_64.rpm
sudo yum-builddep libguestfs
sudo yum install syslinux
sudo dnf install ocaml-ounit-devel
sudo yum install syslinux-extlinux
$ https://github.com/MuralidharB/libguestfs-1.44.1.git
$ cd libguestfs-1.44.1
$ export GO111MODULE=auto # Need this as the golang working directory is not a module, hence this env should be set to 'auto' instead of 'on'.
$ sudo yum install automake
$ aclocal
$ ./autogen.sh # you may need to run it again if the first invocation fails
$ make
cd libguestfs-1.44.1.encr/buildingrpms
rpm -i libguestfs-1.44.1-1.fc33.src.rpm
cd ~/rpmbuild/SPECS
copy libguestfs-1.44.1.encr/buildingrpms/encr.patch into ~/rpmbuild/SOURCES
Modify ~/rpmbuild/SPECS/libguestfs.spec to add the following line after Source0
Patch0: encr.patch
rpmbuild -v -ba --nosignature ~/rpmbuild/SPECS/libguestfs.spec
Your rpms will be available at ~/rpmbuild/RPMS/x86_64/.
Choose the package that is appropriate for your Ubuntu releases.
$ cat /etc/debian_version buster/sid
All source packages can be found at: https://packages.debian.org/search?suite=default§ion=all&arch=any&searchon=names&keywords=libguestfs. Choose the package liguestfs0.
For example, for buster the right package is at: https://packages.debian.org/buster/libguestfs0
Download the source tar file from the right side of the page:
$ curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.40.2.orig.tar.gz
$ tar xzvf libguestfs_1.40.2.orig.tar.gz
$ cd libguestfs-1.40.2
Apply the patch file https://raw.githubusercontent.com/trilioData/libguestfs-1.44.1.encr/master/buildingrpms/encr.patch to the source.
Download debian build files at http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.40.2-2.debian.tar.xz
curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.40.2-2.debian.tar.xz
# you may need to install xz-utils for uncompressing *.xz files.
$ sudo apt install xz-utils devscripts debhelper dh-ocaml dh-python3 dh-python dh-ruby ruby1.9.1-full gem2deb dh-gir dh-make dh-sequence-gir dh-lua dh-php gperf genisoimage flex pcre-devel libpcre-devel libpcre3 libpcre3 libpcre3 libpcre3-devel libpcre3-dev libxml2-dev install libxml2-dev libfile-dev libmagic-dev jansson libjansson libjansson-dev hivex libcap-dev hivex-deve hivex-dev python-hivex libhivex-dev libhivex qemu-system ocaml-findlib-dev ocaml-findlib supermin ocaml-hivex ocaml-findlib libhivex-ocaml libhivex-ocaml-dev openjdk-8-jdk-headless
$ tar xvf libguestfs_1.40.2-2.debian.tar.xz
curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.44.0.orig.tar.gz
curl -O curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.40.2-2.debian.tar.xz
curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.40.2-2.debian.tar.xz
curl -O http://deb.debian.org/debian/pool/main/libg/libguestfs/libguestfs_1.44.0-2.debian.tar.xz
curl -O http://ftp.us.debian.org/debian/pool/main/a/augeas/libaugeas0_1.12.0-2_amd64.deb
curl -O http://ftp.us.debian.org/debian/pool/main/a/augeas/augeas-lenses_1.12.0-2_all.deb
curl -O https://packages.debian.org/bullseye/amd64/libaugeas-dev/download
curl -O http://http.us.debian.org/debian/pool/main/a/augeas/libaugeas-dev_1.12.0-2_amd64.deb
sudo dpkg -i libaugeas0_1.12.0-2_amd64.deb
sudo dpkg -i augeas-lenses_1.12.0-2_all.deb
sudo dpkg -i libaugeas0_1.12.0-2_amd64.deb
sudo dpkg -i libaugeas-dev_1.12.0-2_amd64.deb
sudo dpkg -i libaugeas-dev_1.12.0-2_amd64.deb
Run the following command to build debian packages
$ debuild -i -d -us -uc -b 2>&1 | tee /tmp/log
After succesful build, the parent directory will contain debian packages
Modify the code, build the appliance and test the changes. Create patch file that includes the differences between the original sources and new sources as follows diff -urN libguestfs-1.44.1.orig/ libguestfs-1.44.1.mod/ > encr.patch Now use the new patch file to create new rpms.
To verify that the build is successful and the new binary supports encrypted qcow2 images, follow these steps: $ dd if=/dev/urandom of=/tmp/base bs=1M count=1024 $ qemu-img convert -p --object secret,id=sec0,data=backing --object secret,id=sec2,data=backing --image-opts driver=raw,file.filename=/tmp/base -O qcow2 -o encrypt.format=luks,encrypt.key-secret=sec2 /tmp/base.qcow2 $ qemu-img create -f qcow2 --object secret,id=sec0,data=backing -b 'json:{ "encrypt.key-secret": "sec0", "driver": "qcow2", "file": { "driver": "file", "filename": "/tmp/base.qcow2" }}' -o encrypt.format=luks,encrypt.key-secret=sec0 /tmp/overlay.qcow2 1G
$ ./run guestfish add driver=qcow2,file.filename=/tmp/overlay.qcow2,encrypt.key-secret=sec0 secobject:secret,id=sec0,data=backing run
The appliance should successfully boot and provide with a prompt.
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