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Installing/using VB 6.0 on Fedora 29.

• Will Guest Additions be added automatically? (silverblue) How can you tell if they're installed?
• image formats (OVF versus OVA)
• “front end” vs “frontend” vs “front-end”?
• groups of groups of VMs?
• “scale mode” vs “scaled mode”?
• detaching a VM from a group is badly explained
• cloning variations?

• https://www.virtualbox.org/
  • https://www.virtualbox.org/wiki/End-user_documentation
  • https://www.virtualbox.org/wiki/Technical_documentation
  • https://www.virtualbox.org/wiki/Contributor_information
  • https://www.virtualbox.org/wiki/Community
  • https://www.virtualbox.org/wiki/Changelog-6.0
• https://www.if-not-true-then-false.com/2010/install-virtualbox-with-yum-on-fedora-centos-red-hat-rhel/
• https://www.cyberciti.biz/faq/how-to-install-virtualbox-on-fedora-linux/

# dnf update

# cd /etc/yum.repos.d
# wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo

Contents:

[virtualbox]
name=Fedora $releasever - $basearch - VirtualBox
baseurl=http://download.virtualbox.org/virtualbox/rpm/fedora/$releasever/$basearch
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://www.virtualbox.org/download/oracle_vbox.asc

# dnf install VirtualBox-6.0

• Creates vboxusers group
• Need to add user(s) to that group (usermod)

When necessary, update the kernel modules with:

/usr/lib/virtualbox/vboxdrv.sh setup

$ svn co https://www.virtualbox.org/svn/vbox/trunk vbox

preinstall scriptlet (using /bin/sh):
# defaults
[ -r /etc/default/virtualbox ] && . /etc/default/virtualbox

# check for old installation
if [ -r /etc/vbox/vbox.cfg ]; then
  . /etc/vbox/vbox.cfg
  if [ "x$INSTALL_DIR" != "x" -a -d "$INSTALL_DIR" ]; then
    echo "An old installation of VirtualBox was found. To install this package the"
    echo "old package has to be removed first. Have a look at /etc/vbox/vbox.cfg to"
    echo "determine the installation directory of the previous installation. After"
    echo "uninstalling the old package remove the file /etc/vbox/vbox.cfg."
    exit 1
  fi
fi

# check for active VMs of the installed (old) package
# Execute the installed packages pre-uninstaller if present.
/usr/lib/virtualbox/prerm-common.sh 2>/dev/null
# Stop services from older versions without pre-uninstaller.
/etc/init.d/vboxballoonctrl-service stop 2>/dev/null
/etc/init.d/vboxautostart-service stop 2>/dev/null
/etc/init.d/vboxweb-service stop 2>/dev/null
VBOXSVC_PID=`pidof VBoxSVC 2>/dev/null || true`
if [ -n "$VBOXSVC_PID" ]; then
  # ask the daemon to terminate immediately
  kill -USR1 $VBOXSVC_PID
  sleep 1
  if pidof VBoxSVC > /dev/null 2>&1; then
    echo "A copy of VirtualBox is currently running.  Please close it and try again."
    echo "Please note that it can take up to ten seconds for VirtualBox (in particular"
    echo "the VBoxSVC daemon) to finish running."
    exit 1
  fi
fi

postinstall scriptlet (using /bin/sh):
LOG="/var/log/vbox-install.log"

# defaults
[ -r /etc/default/virtualbox ] && . /etc/default/virtualbox

# remove old cruft
if [ -f /etc/init.d/vboxdrv.sh ]; then
  echo "Found old version of /etc/init.d/vboxdrv.sh, removing."
  rm /etc/init.d/vboxdrv.sh
fi
if [ -f /etc/vbox/vbox.cfg ]; then
  echo "Found old version of /etc/vbox/vbox.cfg, removing."
  rm /etc/vbox/vbox.cfg
fi
rm -f /etc/vbox/module_not_compiled

# create users groups (disable with INSTALL_NO_GROUP=1 in /etc/default/virtualbox)
if [ "$INSTALL_NO_GROUP" != "1" ]; then
  echo
  echo "Creating group 'vboxusers'. VM users must be member of that group!"
  echo
  groupadd -r -f vboxusers 2> /dev/null
fi

update-mime-database /usr/share/mime &> /dev/null || :
update-desktop-database -q > /dev/null 2>&1 || :
touch --no-create /usr/share/icons/hicolor
gtk-update-icon-cache -q /usr/share/icons/hicolor 2> /dev/null || :

# Disable module compilation with INSTALL_NO_VBOXDRV=1 in /etc/default/virtualbox
if test "${INSTALL_NO_VBOXDRV}" = 1; then
  POSTINST_START=--nostart
else
  POSTINST_START=
fi
# Install and start the new service scripts.
/usr/lib/virtualbox/prerm-common.sh || true
/usr/lib/virtualbox/postinst-common.sh ${POSTINST_START} > /dev/null || true

# Put bits of the pre-uninstallation here which should work the same for all of
# the Linux installers.  We do not use special helpers (e.g. dh_* on Debian),
# but that should not matter, as we know what those helpers actually do, and we
# have to work on those systems anyway when installed using the all
# distributions installer.
#
# We assume that all required files are in the same folder as this script
# (e.g. /opt/VirtualBox, /usr/lib/VirtualBox, the build output directory).
#
# Script exit status: 0 on success, 1 if VirtualBox is running and can not be
# stopped (installers may show an error themselves or just pass on standard
# error).


# The below is GNU-specific.  See VBox.sh for the longer Solaris/OS X version.
TARGET=`readlink -e -- "${0}"` || exit 1
MY_PATH="${TARGET%/[!/]*}"
cd "${MY_PATH}"
. "./routines.sh"

# Stop the ballon control service
stop_init_script vboxballoonctrl-service >/dev/null 2>&1
# Stop the autostart service
stop_init_script vboxautostart-service >/dev/null 2>&1
# Stop the web service
stop_init_script vboxweb-service >/dev/null 2>&1
# Do this check here after we terminated the web service: check whether VBoxSVC
# is running and exit if it can't be stopped.
check_running
# Terminate VBoxNetDHCP if running
terminate_proc VBoxNetDHCP
# Terminate VBoxNetNAT if running
terminate_proc VBoxNetNAT
delrunlevel vboxballoonctrl-service
remove_init_script vboxballoonctrl-service
delrunlevel vboxautostart-service
remove_init_script vboxautostart-service
delrunlevel vboxweb-service
remove_init_script vboxweb-service
# Stop kernel module and uninstall runlevel script
stop_init_script vboxdrv >/dev/null 2>&1
delrunlevel vboxdrv
remove_init_script vboxdrv
# And do final clean-up
"${MY_PATH}/vboxdrv.sh" cleanup >/dev/null  # Do not silence errors for now
# Stop host networking and uninstall runlevel script (obsolete)
stop_init_script vboxnet >/dev/null 2>&1
delrunlevel vboxnet >/dev/null 2>&1
remove_init_script vboxnet >/dev/null 2>&1
finish_init_script_install
rm -f /sbin/vboxconfig
exit 0

# Put bits of the post-installation here which should work the same for all of
# the Linux installers.  We do not use special helpers (e.g. dh_* on Debian),
# but that should not matter, as we know what those helpers actually do, and we
# have to work on those systems anyway when installed using the all
# distributions installer.
#
# We assume that all required files are in the same folder as this script
# (e.g. /opt/VirtualBox, /usr/lib/VirtualBox, the build output directory).

# The below is GNU-specific.  See VBox.sh for the longer Solaris/OS X version.
TARGET=`readlink -e -- "${0}"` || exit 1
MY_PATH="${TARGET%/[!/]*}"
cd "${MY_PATH}"
. "./routines.sh"

START=true
while test -n "${1}"; do
    case "${1}" in
        --nostart)
            START=
            ;;
        *)
            echo "Bad argument ${1}" >&2
            exit 1
            ;;
    esac
    shift
done

# Remove any traces of DKMS from previous installations.
for i in vboxhost vboxdrv vboxnetflt vboxnetadp; do
    rm -rf "/var/lib/dkms/${i}"*
done

# Install runlevel scripts and systemd unit files
install_init_script "${MY_PATH}/vboxdrv.sh" vboxdrv
install_init_script "${MY_PATH}/vboxballoonctrl-service.sh" vboxballoonctrl-service
install_init_script "${MY_PATH}/vboxautostart-service.sh" vboxautostart-service
install_init_script "${MY_PATH}/vboxweb-service.sh" vboxweb-service
finish_init_script_install

delrunlevel vboxdrv
addrunlevel vboxdrv
delrunlevel vboxballoonctrl-service
addrunlevel vboxballoonctrl-service
delrunlevel vboxautostart-service
addrunlevel vboxautostart-service
delrunlevel vboxweb-service
addrunlevel vboxweb-service

ln -sf "${MY_PATH}/postinst-common.sh" /sbin/vboxconfig

# Set SELinux permissions
# XXX SELinux: allow text relocation entries
if [ -x /usr/bin/chcon ]; then
    chcon -t texrel_shlib_t "${MY_PATH}"/*VBox* > /dev/null 2>&1
    chcon -t texrel_shlib_t "${MY_PATH}"/VBoxAuth.so \
        > /dev/null 2>&1
    chcon -t texrel_shlib_t "${MY_PATH}"/VirtualBox.so \
        > /dev/null 2>&1
    chcon -t texrel_shlib_t "${MY_PATH}"/components/VBox*.so \
        > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VirtualBox > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VBoxSDL > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VBoxHeadless \
        > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VBoxNetDHCP \
        > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VBoxNetNAT \
        > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/VBoxExtPackHelperApp \
        > /dev/null 2>&1
    chcon -t java_exec_t    "${MY_PATH}"/vboxwebsrv > /dev/null 2>&1
    chcon -t bin_t          "${MY_PATH}"/src/vboxhost/build_in_tmp \
         > /dev/null 2>&1
    chcon -t bin_t          /usr/share/virtualbox/src/vboxhost/build_in_tmp \
         > /dev/null 2>&1
fi

test -n "${START}" &&
{
    if ! "${MY_PATH}/vboxdrv.sh" setup; then
        "${MY_PATH}/check_module_dependencies.sh" >&2
        echo >&2
        echo "There were problems setting up VirtualBox.  To re-start the set-up process, run" >&2
        echo "  /sbin/vboxconfig" >&2
        echo "as root." >&2
    else
        start_init_script vboxdrv
        start_init_script vboxballoonctrl-service
        start_init_script vboxautostart-service
        start_init_script vboxweb-service
    fi
}

Building the main VirtualBox module.
Building the net filter module.
Building the net adaptor module.
Building the PCI pass-through module.

vboxautostart-service.service
vboxballoonctrl-service.service
vboxdrv.service
vboxweb-service.service

[Unit]
SourcePath=/usr/lib/virtualbox/vboxdrv.sh
Description=VirtualBox Linux kernel module
Before=runlevel2.target runlevel3.target runlevel4.target runlevel5.target shutdown.target
After=
Conflicts=shutdown.target

[Service]
Type=forking
Restart=no
TimeoutSec=5min
IgnoreSIGPIPE=no
KillMode=process
GuessMainPID=no
RemainAfterExit=yes
ExecStart=/usr/lib/virtualbox/vboxdrv.sh start
ExecStop=/usr/lib/virtualbox/vboxdrv.sh stop

[Install]
WantedBy=multi-user.target

• Oracle_VM_VirtualBox_Extension_Pack-6.0.2.vbox-extpack
• File → Preferences → Extensions

• General
  • Basic
    • Name
    • Type
    • Version
  • Advanced
    • Snapshot Folder
    • Shared Clipboard
    • Drag'n'Drop
  • Description
  • Disk Encryption
• System
  • Motherboard
  • Processor
  • Acceleration
• Display
  • Screen
• Storage
• Audio
• Network
• Serial Ports
• USB
• Shared Folders
• User Interface