màj / update-all / whatever you want...

#!/bin/bash
shopt -s checkwinsize
export COLUMNS

if [ "$USER" != 'root' ]; then
  echo >&2 'this program requires root privileges.'
  exit 1
fi

Title() {
    local STRING
    STRING=' '"$*"' '
    while [ ${#STRING} -lt $COLUMNS ]; do
        STRING="$STRING"'          '
    done
    echo -e '\e[34;7;1m'"${STRING:0:$COLUMNS}"'\e[39;27;21m'
}

AptGet() {
    Title "$1"
    apt-get "$1" || exit $?
    echo
}

for WHAT in check update upgrade dist-upgrade autoremove autoclean clean
do
    AptGet $WHAT
done
echo 'All done.'