Установка ABillS на Ubuntu

sudo aptitude install build-essential
The following NEW packages will be installed:
  build-essential g++{a} g++-9{a} libc-dev-bin{a} libc6-dev{ab} libcrypt-dev{a} libstdc++-9-dev{a} linux-libc-dev{a} 
0 packages upgraded, 8 newly installed, 0 to remove and 0 not upgraded.
Need to get 13,9 MB of archives. After unpacking 73,2 MB will be used.
The following packages have unmet dependencies:
 libc6-dev : Depends: libc6 (= 2.31-0ubuntu9) but 2.31-0ubuntu9.2 is installed
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     build-essential [Not Installed]                    
2)     g++ [Not Installed]                                
3)     g++-9 [Not Installed]                              
4)     libc6-dev [Not Installed]                          
5)     libstdc++-9-dev [Not Installed]                    




Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Downgrade the following packages:                           
1)     libc6 [2.31-0ubuntu9.2 (now) -> 2.31-0ubuntu9 (focal)]    
2)     libc6-dbg [2.31-0ubuntu9.2 (now) -> 2.31-0ubuntu9 (focal)]




Accept this solution? [Y/n/q/?] Y
The following packages will be DOWNGRADED:
  libc6 libc6-dbg 
The following NEW packages will be installed:
  build-essential g++{a} g++-9{a} libc-dev-bin{a} libc6-dev{a} libcrypt-dev{a} libstdc++-9-dev{a} linux-libc-dev{a} 
0 packages upgraded, 8 newly installed, 2 downgraded, 0 to remove and 0 not upgraded.
Need to get 22,3 MB of archives. After unpacking 42,0 MB will be used.
Do you want to continue? [Y/n/?] Y

#!/bin/sh
#
# radiusd  Start the radius daemon.
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
#    Copyright (C) 2001-2008 The FreeRADIUS Project http://www.freeradius.org
#   chkconfig: - 58 74
#   description: radiusd is service access provider Daemon.
### BEGIN INIT INFO
# Provides: radiusd
# Required-Start: $remote_fs $network $syslog
# Should-Start: mysql radiusd
# Required-Stop: $remote_fs $syslog
# Should-Stop: radiusd
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop radiusd
# Description: radiusd is access provider service Daemon.
### END INIT INFO

prefix=/usr/local/freeradius
exec_prefix=${prefix}
sbindir=${exec_prefix}/sbin
localstatedir=/var
logdir=${localstatedir}/log/radius
rundir=/usr/local/freeradius/var/run/radiusd/
sysconfdir=${prefix}/etc
#
#  If you have issues with OpenSSL, uncomment these next lines.
#
#  Something similar may work for MySQL, and you may also
#  have to LD_PRELOAD libz.so
#
#LD_LIBRARY_PATH=
#LD_RUN_PATH=:
#LD_PRELOAD=libcrypto.so
export LD_LIBRARY_PATH LD_RUN_PATH LD_PRELOAD

RADIUSD=$sbindir/radiusd
RADDBDIR=${sysconfdir}/raddb
RADIUS_USER='freerad'
DESC="FreeRADIUS"

#
#  See 'man radiusd' for details on command-line options.
#
ARGS=""

test -f $RADIUSD || exit 0
test -f $RADDBDIR/radiusd.conf || exit 0

if [ ! -d $rundir ] ; then
    mkdir $rundir
    chown ${RADIUS_USER}:${RADIUS_USER} $rundir
    chmod 775 $rundir
fi

if [ ! -d $logdir ] ; then
    mkdir $logdir
    chown ${RADIUS_USER}:${RADIUS_USER} $logdir
    chmod 770 $logdir
    chmod g+s $logdir
fi

if [ ! -f $logdir/radius.log ]; then
        touch $logdir/radius.log
fi

chown ${RADIUS_USER}:${RADIUS_USER} $logdir/radius.log
chown -R ${RADIUS_USER}:${RADIUS_USER} /usr/local/freeradius/etc/raddb
chown -R ${RADIUS_USER}:${RADIUS_USER} ${rundir}/..
chmod 660 $logdir/radius.log

case "$1" in
  start)
  echo -n "Starting $DESC:"
  $RADIUSD $ARGS
  echo "radiusd"
  ;;
  stop)
  [ -z "$2" ] && echo -n "Stopping $DESC: "
        [ -f $rundir/radiusd.pid ] && kill -TERM `cat $rundir/radiusd.pid`
  [ -z "$2" ] && echo "radiusd."
  ;;
  reload|force-reload)
  echo "Reloading $DESC configuration files."
  [ -f $rundir/radiusd.pid ] && kill -HUP `cat $rundir/radiusd.pid`
  ;;
  restart)
  sh $0 stop quiet
  sleep 3
  sh $0 start
  ;;
  check)
  $RADIUSD -CX $ARGS
  exit $?
  ;;
  *)
        echo "Usage: /etc/init.d/$RADIUS {start|stop|reload|restart|check}"
        exit 1
        stop
        ;;
  status)
        status \$prog
        ;;
  restart|force-reload)
        stop
        start
        ;;
  try-restart|condrestart)
        if status \$prog > /dev/null; then
            stop
            start
        fi
        ;;
  reload)
        exit 3
        ;;
  *)
        echo \$"Usage: \$0 {start|stop|status|restart|try-restart|force-reload}"
        exit 2
esac