Re: Simple little basic config questions

[Wilko Fokken <wfok@arcor.de>]

On Sat, Oct 25, 2003 at 08:57:41PM -0400, Haines Brown wrote:
>
> ...
>
> 3. My usual practice is to avoid xdm and boot to a text login
>    prompt. To do this, in rc2.d I belive I edited the symlink to the
>    xdm program, renaming "S99xdm ->..." to "K99xdm ->...". But in
>    debian I get a beep when I try. Am I imagining I once edited the
>    name of a symlink? Can't one do it in debian?
> 
> Haines Brown      
> 

Same with me,

if you'd like some additional first aid to temporarily remove / restore
any command in '/etc/init.d/' (including all related softlinks), you
might try my bash script, I named '/usr/local/bash/init.d':


#######################################################################

#!/bin/sh
# \wwf 9.3.02

USE ()	{
  echo
  echo "========================================================"
  echo "Save+Remove // Restore  Start_Stop Files in /etc/init.d/"
  echo "========================================================"
  setterm -bold on
  echo 'including related Links in   /etc/rc?.d/'
  setterm -bold off
  echo
  echo
  echo "usage:"
  echo
  echo "$0  [{-s|-r}] <fname ...>    (-s = default)"
  echo "--------------------------------------------------------"
  echo '( put Filename Wildcards in Double-Quotes:   "*",  "?" )'
  echo
  echo
  echo 'Options:'
  echo '--------'
  echo '-s = (S)ave    files to   /etc/init.d/SAVE/<file>.tar.gz'
  echo '-r = (R)estore files from /etc/init.d/SAVE/<file>.tar.gz'
  echo
  echo '(-s:  Files are MOVED from Directories to Archive)'
  echo '(-r:  Files are MOVED from Archive to Directories)'
  echo
  echo
}


Save ()	{
  test -d /etc/init.d/SAVE || mkdir /etc/init.d/SAVE

  echo "Save+Deinstall init.d Files to /etc/init.d/SAVE/<file>.tar.gz"
  echo "============================================================="
  cd /etc/init.d
  for FILE in ${@}; do
    echo

#   Skip bad Params
    if [ ! -f ${FILE} ]; then
      echo "/etc/init.d/${FILE}:  NO FILE -- skipping Param"
      echo "------------------------------------------------------"
	  echo
      continue		## comment this line: save links only
#					## when /etc/init.d/<file> is missing
    fi

    if [ -f SAVE/${FILE}.tar.gz ]; then
      echo "Dest_Archive already exists:"
      echo "NO REwriting to /etc/SAVE/${FILE}.tar.gz -- skipping Param"
      echo "----------------------------------------------------------"
	  echo
      continue
    fi

#   Begin of Job
    echo -n "Save+Deinstall /etc/init.d/${FILE} ? "; read answ
    case "$answ" in
      y*|Y*|j*|J*)	echo "Answer = ${answ}";;	# Save Files
      *          )	echo "Answer = ${answ}:    NO Action -- skipping Param"
					echo
					continue
    esac

    echo
    echo Saving spec''d Files to /etc/init.d/SAVE/${FILE}.tar.gz
    echo "---------------------------------------------------------"
    find /etc/rc* /etc/init.d -name "*${FILE}" | \
	tar -cvzf /etc/init.d/SAVE/${FILE}.tar.gz -PT -
    echo
    echo "Comparing Tar Archive to orig. Source Files"
    echo "-------------------------------------------"
    tar -dvzf /etc/init.d/SAVE/${FILE}.tar.gz

    if [ `echo $?` = 0 ]; then
      echo
      echo "=================="
      echo "All Files saved OK"
      echo "=================="
      echo
      echo -n "Remove saved Source Files now ? "; read answ
      case "$answ" in
        y*|Y*|j*|J*) echo "Answer = ${answ}";;	# Remove Files
        *          ) echo "Answer = ${answ}: Files NOT removed"
i					 echo
                     continue
      esac
      echo
      echo "Removing saved Files from /etc/rc*/   /etc/init.a/"
      find /etc/rc* /etc/init.d -name "*${FILE}" -exec rm {} \;
    else
      echo
      echo "ERROR, BAD Match!!"
      echo "=================="
      echo "/etc/init.d/SAVE/${FILE}.tar.gz differs to"
      echo "Source Files in /etc/rc*/, /etc/init.d/"
      echo "NO File removed"
      echo
    fi
  done
}


Restore ()	{
  echo "Reinstall Files from /etc/init.d/SAVE/<file>.tar.gz"
  echo "---------------------------------------------------"
  cd /etc/init.d/SAVE/
  for FILE in ${@}; do
    echo
    ARCHIV=""
    [ -f ${FILE} ] && ARCHIV=${FILE}
    [ -f ${FILE}.tar.gz ] && ARCHIV=${FILE}.tar.gz
##  echo "File = " ${FILE} "Archive = " ${ARCHIV}; read answ

    if [ -z ${ARCHIV} ]; then
      echo "NO matching Archive: " ${FILE} "-- skipping Param"
	  echo
      continue
    fi

    echo -n "Reinstall ${ARCHIV} ? "; read answ

    case "$answ" in
      y*|Y*|j*|J*) ;;		# Answer = 'yes', start Job
      *          ) echo "Answer = ${answ}: NO Action taken!!";
				   echo
                   continue;;
    esac

    echo "Reinstalling Archive to /etc/rc*, /etc/init.d/"
    tar -xvkzf ${ARCHIV} -P

    echo -n "Remove" ${ARCHIV} "now ? "; read answ
    case "$answ" in
      y*|Y*|j*|J*) echo "Answer = ${answ}";;  # Remove Archive
      *          ) echo "Answer = ${answ}: Archive NOT removed"
				   echo
                   continue;;
    esac
    echo
    echo "Removing" /etc/init.d/SAVE/${ARCHIV}
    rm ${ARCHIV}
  done
}


# -----------------------------------------------------------------
# main prog
# -----------------------------------------------------------------

clear
[ $# = 0 ] && USE && exit 1	# -> No Param:  Help

JOB=Save;			# default -> Save to tar archive, Deinstall
case $1 in
  -s ) JOB=Save;    shift;;	# -> Save to tar archive, Deinstall
  -r ) JOB=Restore; shift;;	# -> Reinstall from tar archive
  -* ) USE; exit 1			# -> Help
esac

# Select JOB: Deinstall, Reinstall or Remove
${JOB} ${@} && exit 0 || exit -1

#######################################################################