ricardojlrufino/dynmotd.sh

## dynmotd.sh
#!/bin/bash

# dynamic message of the day
# Robert Tulke, rt@debian.sh


## version
VERSION="dynmotd v1.6"

## configuration and logfile
MAINLOG="/root/.dynmotd/maintenance.log"
ENVFILE="/root/.dynmotd/environment.cfg"

## enable system related information about your system
SYSTEM_INFO="1"             # show system information
STORAGE_INFO="1"            # show storage information
USER_INFO="0"               # show some user infomration
ENVIRONMENT_INFO="0"        # show environement information
MAINTENANCE_INFO="0"        # show maintenance infomration
UPDATE_INFO="0"             # show update information, deactivate when using redhat
VERSION_INFO="0"            # show the version banner


LIST_LOG_ENTRY="2"          # how many log line will be display in MAINTENANCE_INFO


## some colors
C_BLACK="\033[0;30m"        # Black
C_DGRAY="\033[1;30m"        # Dark Grey
C_GREY="\033[0;37m"         # Grey
C_WHITE="\033[1;37m"        # White
C_RED="\033[0;31m"          # Red
C_LRED="\033[1;31m"         # Light Red
C_BLUE="\033[0;34m"         # Blue
C_LBLUE="\033[1;34m"        # Blue
C_CYAN="\033[0;36m"         # Cyan
C_LCYAN="\033[1;36m"        # Light Cyan
C_PINK="\033[0;35m"         # Purple
C_PINK="\033[1;35m"         # Light Purple
C_GREEN="\033[0;32m"        # Green
C_LGREEN="\033[1;32m"       # Light Green
C_BROWN="\033[0;33m"        # Brown/Orangen
C_YELLOW="\033[1;33m"       # Yellow


#### color schemes

## DOT, day of the tentacle scheme
F1=${C_GREY}
F2=${C_PINK}
F3=${C_LGREEN}
F4=${C_RED}

## retro hacker
#F1=${C_GREEN}
#F2=${C_GREEN}
#F3=${C_GREEN}
#F4=${C_RED}


## don't start as root
#if [ $(whoami) != root ]; then
#    cat /etc/motd
#    exit 0
#fi


#### Configuration Part

## create .maintenance file if not exist
function createmaintenance {

    if [ ! -f $MAINLOG ]; then
        DYNMOTDDIR=$(dirname $MAINLOG)
        mkdir -p $DYNMOTDDIR
        touch $MAINLOG
        chmod 600 $MAINLOG
        echo "new log file created $MAINLOG"
        echo
    fi
}


## create .environment file if not exist
function createenv {


        echo "We want to assign a function name for $(hostname --fqdn)"
        echo
        echo -n "System Function, like Webserver, Mailserver [${1}]: "
        read SYSFUNCTION
    	echo -n "System Environment, like PRD|TST|ITG [${2}]: "
    	read SYSENV
        echo -n "Service Level Agreement, like SLA1|SLA2|SLA3: [${3}] "
        read SYSSLA
        rm -rf $ENVFILE
        mkdir -p $(dirname $ENVFILE)
        touch $ENVFILE
        chmod 600 $ENVFILE
       	echo "SYSENV=\"$SYSENV\"" >> $ENVFILE
       	echo "SYSFUNCTION=\"$SYSFUNCTION\"" >> $ENVFILE
        echo "SYSSLA=\"$SYSSLA\"" >> $ENVFILE
}


#### Parameter Part

## addlog
function addlog () {

    if [ ! -f "$MAINLOG" ]; then
        echo "maintenance logfile not found: $MAINLOG try to create a new one..."
        createmaintenance
    fi

    if [ -z "$1" ]; then
        echo "Usage:"
        echo
        echo "  ./$(basename $0) -a \"new guest account added\" "
        echo
        exit 1
    fi

    mydate=$(date +"%b %d %H:%M:%S")
    echo $mydate $1 >> $MAINLOG
    echo "log entry added..."
}


## rmlog
function rmlog () {

        if [ -z "$1" ]; then
            echo "Usage: "
            echo
            echo "  ./$(basename $0) -r [line-number] "
            echo
            exit 1
        fi

        re='^[0-9]+$'
        if ! [[ $1 =~ $re ]] ; then
            echo "$1 : not a number"
            exit 1
        fi

        ## remove specific line
        sed -i "$1"'d' $MAINLOG
        RC=$?
        if [ $RC = "0" ]; then
            echo "line $1 successfully deleted..."
        else
            echo "something went wrong"
            exit 1

        fi
}


## listlog
function listlog () {

    if [ ! -f "$MAINLOG" ]; then
        echo "Maintenance Logfile not found: $MAINLOG"
        createmaintenance
    fi

    COUNT=1
    while read line; do
        NAME=$line;
        echo -e "${F2}$COUNT ${F1}$NAME${F2}"
        COUNT=$((COUNT+1))
    done < $MAINLOG
}


#### Output Part

## System Info
function show_system_info () {

    if [ "$SYSTEM_INFO" = "1" ]; then

        ## get my fqdn hostname.domain.name.tld
        HOSTNAME=$(hostname --fqdn)

        ## get my main ip
        IP=$(host $HOSTNAME |grep "has address" |head -n1 |awk {'print $4'})

        ## get current kernel version
        UNAME=$(uname -r)

        ## get runnig sles distribution name
        DISTRIBUTION=$(lsb_release -s -d)

        ## get hardware platform
        PLATFORM=$(uname -m)

        ## get system uptime
        UPTIME=$(uptime |cut -c2- |cut -d, -f1)

        ## get amount of cpu processors
        CPUS=$(cat /proc/cpuinfo|grep processor|wc -l)

        ## get system cpu model
        CPUMODEL=$(cat /proc/cpuinfo |egrep 'model name' |uniq |awk -F ': ' {'print $2'})

        ## get current free memory
        MEMFREE=$(echo $(cat /proc/meminfo |egrep MemFree |awk {'print $2'})/1024 |bc)

        ## get maxium usable memory
        MEMMAX=$(echo $(cat /proc/meminfo |egrep MemTotal |awk {'print $2'})/1024 |bc)

        ## get current free swap space
        SWAPFREE=$(echo $(cat /proc/meminfo |egrep SwapFree |awk {'print $2'})/1024 |bc)

        ## get maxium usable swap space
        SWAPMAX=$(echo $(cat /proc/meminfo |egrep SwapTotal |awk {'print $2'})/1024 |bc)

        ## get current procs
        PROCCOUNT=$(ps -Afl |egrep -v 'ps|wc' |wc -l)

        ## get maxium usable procs
        PROCMAX=$(ulimit -u)

## display system information
echo -e "
${F2}============[ ${F1}System Info${F2} ]====================================================
${F1}         Address ${F2}= ${F3}$IP
${F1}          Uptime ${F2}= ${F3}$UPTIME
${F1}          Memory ${F2}= ${F3}$MEMFREE MB Free of $MEMMAX MB Total
${F1}     Swap Memory ${F2}= ${F3}$SWAPFREE MB Free of $SWAPMAX MB Total
${F1}       Processes ${F2}= ${F3}$PROCCOUNT ${F1}
"

    fi
}

## Update Information only for APT based distributions
function show_update_info () {

    if [  -f /usr/bin/apt-get ]; then

        if [ "$UPDATE_INFO" = "1" ]; then

            ## get outdated updates
            UPDATES=$(/usr/bin/apt-get -s dist-upgrade |egrep  "upgraded" |egrep "newly installed" |awk {'print $1'})

## display update information
echo -e "
${F2}============[ ${F1}Update Info${F2} ]====================================================
${F1}Available Updates ${F2}= ${F3}${UPDATES}${F1}"
        fi
    fi
}

## Storage Informations
function show_storage_info () {

    if [ "$STORAGE_INFO" = "1" ]; then

        ## get current storage information, how many space a left :)
        STORAGE=$(df -hT |sort -r -k 6 -i |sed -e 's/^File.*$/\x1b[0;37m&\x1b[1;32m/' |sed -e 's/^Datei.*$/\x1b[0;37m&\x1b[1;32m/' |egrep -v docker |egrep -v tmpfs)

## display storage information
echo -e "
${F2}============[ ${F1}Storage Info${F2} ]===================================================
${F3}${STORAGE}${F1}"

    fi
}


## User Informations
function show_user_info () {

    if [ "$USER_INFO" = "1" ]; then

        ## get my username
        WHOIAM=$(whoami)

        ## get my own user groups
        GROUPZ=$(groups)

        ## get my user id
        ID=$(id)

        ## how many users are logged in
        SESSIONS=$(who |wc -l)

        ## get a list of all logged in users
        LOGGEDIN=$(echo $(who |awk {'print $1" " $5'} |awk -F '[()]' '{ print $1 $2 '}  |uniq -c |awk {'print "(" $1 ") "$2" " $3","'} ) |sed 's/,$//' |sed '1,$s/\([^,]*,[^,]*,[^,]*,\)/\1\n\\033[1;32m\t          /g')

        ## how many system users are there, only check uid <1000 and has a login shell
        SYSTEMUSERCOUNT=$(cat /etc/passwd |egrep '\:x\:10[0-9][0-9]' |grep '\:\/bin\/bash' |wc -l)

        ## who is a system user, only check uid <1000 and has a login shell
        SYSTEMUSER=$(cat /etc/passwd |egrep '\:x\:10[0-9][0-9]' |egrep '\:\/bin\/bash|\:\/bin/sh' |awk '{if ($0) print}' |awk -F ':' {'print $1'} |awk -vq=" " 'BEGIN{printf""}{printf(NR>1?",":"")q$0q}END{print""}' |cut -c2- |sed 's/ ,/,/g' |sed '1,$s/\([^,]*,[^,]*,[^,]*,[^,]*,[^,]*,\)/\1\n\\033[1;32m\t          /g')

        ## how many ssh super user (root) are there
        SUPERUSERCOUNT=$(cat /root/.ssh/authorized_keys |egrep '^ssh-' |wc -l)

        ## who is super user (ignore root@)
        SUPERUSER=$(cat /root/.ssh/authorized_keys |egrep '^ssh-' |awk '{print $NF}' |awk -vq=" " 'BEGIN{printf""}{printf(NR>1?",":"")q$0q}END{print""}' |cut -c2- |sed 's/ ,/,/g' |sed '1,$s/\([^,]*,[^,]*,[^,]*,\)/\1\n\\033[1;32m\t          /g' )

        ## count sshkeys
        KEYUSERCOUNT=$(for i in $(cat /etc/passwd |egrep '\:x\:10[0-9][0-9]' |awk -F ':' {'print $6'}) ; do cat $i/.ssh/authorized_keys  2> /dev/null |grep ^ssh- |awk '{print substr($0, index($0,$3)) }'; done |wc -l)

        ## print any authorized ssh-key-user of a existing system user
        KEYUSER=$(for i in $(cat /etc/passwd |egrep '\:x\:10[0-9][0-9]' |awk -F ':' {'print $6'}) ; do cat $i/.ssh/authorized_keys  2> /dev/null |grep ^ssh- |awk '{print substr($0, index($0,$3)) }'; done |awk -vq=" " 'BEGIN {printf ""}{printf(NR>1?",":"")q$0q}END{print""}' |cut -c2- |sed 's/ , /, /g' |sed '1,$s/\([^,]*,[^,]*,[^,]*,\)/\1\n\\033[1;32m\t          /g'  )


## show user information
echo -e "
${F2}============[ ${F1}User Data${F2} ]======================================================
${F1}    Your Username ${F2}= ${F3}$WHOIAM
${F1}  Your Privileges ${F2}= ${F3}$ID
${F1} Current Sessions ${F2}= ${F3}[$SESSIONS] $LOGGEDIN
${F1}      SystemUsers ${F2}= ${F3}[$SYSTEMUSERCOUNT] $SYSTEMUSER
${F1}  SshKeyRootUsers ${F2}= ${F3}[$SUPERUSERCOUNT] $SUPERUSER
${F1}      SshKeyUsers ${F2}= ${F3}[$KEYUSERCOUNT] $KEYUSER${F1}"

    fi
}


## Environment Informations
function show_environment_info () {

    if [ "$ENVIRONMENT_INFO" = "1" ]; then

        ## environment file check
        if [ ! -f $ENVFILE ]; then
            createenv ;
        fi

        ## include sys environment variables
        source $ENVFILE

        ## test environment.cfg variables, if any of them are empty or damaged
        if [ -z "${SYSFUNCTION}" ] || [ -z "${SYSENV}" ] || [ -z "${SYSSLA}" ]; then
            rm $ENVFILE
            createenv ;	# variables are exist but empty, create new
        fi


## display environment information
echo -e "
${F2}============[ ${F1}Environment Data${F2} ]===============================================
${F1}         Function ${F2}= ${F3}$SYSFUNCTION
${F1}      Environment ${F2}= ${F3}$SYSENV
${F1}    Service Level ${F2}= ${F3}$SYSSLA${F1}"

    fi
}


## Maintenance Information
function show_maintenance_info () {

    if [ "$MAINTENANCE_INFO" = "1" ]; then

        ## get latest maintenance information
        MAINTENANCE=$(listlog |head -n${LIST_LOG_ENTRY})


## display maintenance information
echo -e "
${F2}============[ ${F1}Maintenance Information${F2} ]========================================
${F4}$MAINTENANCE${F1}"

    fi
}


## Version Information
function show_version_info () {

    if [ "$VERSION_INFO" = "1" ]; then


## display version information
echo -e "
${F2}=============================================================[ ${F1}$VERSION${F2} ]==
${F1}"

    fi
}


## Display Output
function show_info () {

    show_system_info
    show_storage_info
    show_user_info
    show_update_info
    show_environment_info
    show_maintenance_info
    show_version_info
}


#### Main Part

## if no parameter is passed then start show_info
if [ -z "$1" ]; then
    show_info
fi


## paremeter
param="$2 $3"

case "$1" in

    addlog|-a|--addlog)
        addlog "$2"
    ;;

    rmlog|-d|--rmlog)
        rmlog "$2"
    ;;

    log|--log|-l|--listlog|listlog)
        listlog
    ;;

    config|-c|--config|setup|-s|--setup)
        createenv
    ;;

    help|-h|--help|?)

    echo -e "

        Usage: $0 [-c|-a|-d|--help] <params>

        e.g. $0 -a \"start web migration\"

        Parameter:

            -a | addlog  | --addlog \"...\"               add new log entry
            -d | rmlog   | --rmlog [loglinenumber]      delete specific log entry
            -l | log     | --log                        list complete log
            -c | config  | --config                     configuration setup
     "
    ;;

esac
	#!/bin/bash

	# dynamic message of the day
	# Robert Tulke, rt@debian.sh



	## version
	VERSION="dynmotd v1.6"

	## configuration and logfile
	MAINLOG="/root/.dynmotd/maintenance.log"
	ENVFILE="/root/.dynmotd/environment.cfg"

	## enable system related information about your system
	SYSTEM_INFO="1" # show system information
	STORAGE_INFO="1" # show storage information
	USER_INFO="0" # show some user infomration
	ENVIRONMENT_INFO="0" # show environement information
	MAINTENANCE_INFO="0" # show maintenance infomration
	UPDATE_INFO="0" # show update information, deactivate when using redhat
	VERSION_INFO="0" # show the version banner


	LIST_LOG_ENTRY="2" # how many log line will be display in MAINTENANCE_INFO


	## some colors
	C_BLACK="\033[0;30m" # Black
	C_DGRAY="\033[1;30m" # Dark Grey
	C_GREY="\033[0;37m" # Grey
	C_WHITE="\033[1;37m" # White
	C_RED="\033[0;31m" # Red
	C_LRED="\033[1;31m" # Light Red
	C_BLUE="\033[0;34m" # Blue
	C_LBLUE="\033[1;34m" # Blue
	C_CYAN="\033[0;36m" # Cyan
	C_LCYAN="\033[1;36m" # Light Cyan
	C_PINK="\033[0;35m" # Purple
	C_PINK="\033[1;35m" # Light Purple
	C_GREEN="\033[0;32m" # Green
	C_LGREEN="\033[1;32m" # Light Green
	C_BROWN="\033[0;33m" # Brown/Orangen
	C_YELLOW="\033[1;33m" # Yellow


	#### color schemes

	## DOT, day of the tentacle scheme
	F1=${C_GREY}
	F2=${C_PINK}
	F3=${C_LGREEN}
	F4=${C_RED}

	## retro hacker
	#F1=${C_GREEN}
	#F2=${C_GREEN}
	#F3=${C_GREEN}
	#F4=${C_RED}



	## don't start as root
	#if [ $(whoami) != root ]; then
	# cat /etc/motd
	# exit 0
	#fi



	#### Configuration Part

	## create .maintenance file if not exist
	function createmaintenance {

	if [ ! -f $MAINLOG ]; then
	DYNMOTDDIR=$(dirname $MAINLOG)
	mkdir -p $DYNMOTDDIR
	touch $MAINLOG
	chmod 600 $MAINLOG
	echo "new log file created $MAINLOG"
	echo
	fi
	}


	## create .environment file if not exist
	function createenv {


	echo "We want to assign a function name for $(hostname --fqdn)"
	echo
	echo -n "System Function, like Webserver, Mailserver [${1}]: "
	read SYSFUNCTION
	echo -n "System Environment, like PRD\|TST\|ITG [${2}]: "
	read SYSENV
	echo -n "Service Level Agreement, like SLA1\|SLA2\|SLA3: [${3}] "
	read SYSSLA
	rm -rf $ENVFILE
	mkdir -p $(dirname $ENVFILE)
	touch $ENVFILE
	chmod 600 $ENVFILE
	echo "SYSENV=\"$SYSENV\"" >> $ENVFILE
	echo "SYSFUNCTION=\"$SYSFUNCTION\"" >> $ENVFILE
	echo "SYSSLA=\"$SYSSLA\"" >> $ENVFILE
	}


	#### Parameter Part

	## addlog
	function addlog () {

	if [ ! -f "$MAINLOG" ]; then
	echo "maintenance logfile not found: $MAINLOG try to create a new one..."
	createmaintenance
	fi

	if [ -z "$1" ]; then
	echo "Usage:"
	echo
	echo " ./$(basename $0) -a \"new guest account added\" "
	echo
	exit 1
	fi

	mydate=$(date +"%b %d %H:%M:%S")
	echo $mydate $1 >> $MAINLOG
	echo "log entry added..."
	}


	## rmlog
	function rmlog () {

	if [ -z "$1" ]; then
	echo "Usage: "
	echo
	echo " ./$(basename $0) -r [line-number] "
	echo
	exit 1
	fi

	re='^[0-9]+$'
	if ! [[ $1 =~ $re ]] ; then
	echo "$1 : not a number"
	exit 1
	fi

	## remove specific line
	sed -i "$1"'d' $MAINLOG
	RC=$?
	if [ $RC = "0" ]; then
	echo "line $1 successfully deleted..."
	else
	echo "something went wrong"
	exit 1

	fi
	}


	## listlog
	function listlog () {

	if [ ! -f "$MAINLOG" ]; then
	echo "Maintenance Logfile not found: $MAINLOG"
	createmaintenance
	fi

	COUNT=1
	while read line; do
	NAME=$line;
	echo -e "${F2}$COUNT ${F1}$NAME${F2}"
	COUNT=$((COUNT+1))
	done < $MAINLOG
	}


	#### Output Part

	## System Info
	function show_system_info () {

	if [ "$SYSTEM_INFO" = "1" ]; then

	## get my fqdn hostname.domain.name.tld
	HOSTNAME=$(hostname --fqdn)

	## get my main ip
	IP=$(host $HOSTNAME \|grep "has address" \|head -n1 \|awk {'print $4'})

	## get current kernel version
	UNAME=$(uname -r)

	## get runnig sles distribution name
	DISTRIBUTION=$(lsb_release -s -d)

	## get hardware platform
	PLATFORM=$(uname -m)

	## get system uptime
	UPTIME=$(uptime \|cut -c2- \|cut -d, -f1)

	## get amount of cpu processors
	CPUS=$(cat /proc/cpuinfo\|grep processor\|wc -l)

	## get system cpu model
	CPUMODEL=$(cat /proc/cpuinfo \|egrep 'model name' \|uniq \|awk -F ': ' {'print $2'})

	## get current free memory
	MEMFREE=$(echo $(cat /proc/meminfo \|egrep MemFree \|awk {'print $2'})/1024 \|bc)

	## get maxium usable memory
	MEMMAX=$(echo $(cat /proc/meminfo \|egrep MemTotal \|awk {'print $2'})/1024 \|bc)

	## get current free swap space
	SWAPFREE=$(echo $(cat /proc/meminfo \|egrep SwapFree \|awk {'print $2'})/1024 \|bc)

	## get maxium usable swap space
	SWAPMAX=$(echo $(cat /proc/meminfo \|egrep SwapTotal \|awk {'print $2'})/1024 \|bc)

	## get current procs
	PROCCOUNT=$(ps -Afl \|egrep -v 'ps\|wc' \|wc -l)

	## get maxium usable procs
	PROCMAX=$(ulimit -u)

	## display system information
	echo -e "
	${F2}============[ ${F1}System Info${F2} ]====================================================
	${F1} Address ${F2}= ${F3}$IP
	${F1} Uptime ${F2}= ${F3}$UPTIME
	${F1} Memory ${F2}= ${F3}$MEMFREE MB Free of $MEMMAX MB Total
	${F1} Swap Memory ${F2}= ${F3}$SWAPFREE MB Free of $SWAPMAX MB Total
	${F1} Processes ${F2}= ${F3}$PROCCOUNT ${F1}
	"

	fi
	}

	## Update Information only for APT based distributions
	function show_update_info () {

	if [ -f /usr/bin/apt-get ]; then

	if [ "$UPDATE_INFO" = "1" ]; then

	## get outdated updates
	UPDATES=$(/usr/bin/apt-get -s dist-upgrade \|egrep "upgraded" \|egrep "newly installed" \|awk {'print $1'})

	## display update information
	echo -e "
	${F2}============[ ${F1}Update Info${F2} ]====================================================
	${F1}Available Updates ${F2}= ${F3}${UPDATES}${F1}"
	fi
	fi
	}

	## Storage Informations
	function show_storage_info () {

	if [ "$STORAGE_INFO" = "1" ]; then

	## get current storage information, how many space a left :)
	STORAGE=$(df -hT \|sort -r -k 6 -i \|sed -e 's/^File.$/\x1b[0;37m&\x1b[1;32m/' \|sed -e 's/^Datei.$/\x1b[0;37m&\x1b[1;32m/' \|egrep -v docker \|egrep -v tmpfs)

	## display storage information
	echo -e "
	${F2}============[ ${F1}Storage Info${F2} ]===================================================
	${F3}${STORAGE}${F1}"

	fi
	}


	## User Informations
	function show_user_info () {

	if [ "$USER_INFO" = "1" ]; then

	## get my username
	WHOIAM=$(whoami)

	## get my own user groups
	GROUPZ=$(groups)

	## get my user id
	ID=$(id)

	## how many users are logged in
	SESSIONS=$(who \|wc -l)

	## get a list of all logged in users
	LOGGEDIN=$(echo $(who \|awk {'print $1" " $5'} \|awk -F '[()]' '{ print $1 $2 '} \|uniq -c \|awk {'print "(" $1 ") "$2" " $3","'} ) \|sed 's/,$//' \|sed '1,$s/\([^,],[^,],[^,]*,\)/\1\n\\033[1;32m\t /g')

	## how many system users are there, only check uid <1000 and has a login shell
	SYSTEMUSERCOUNT=$(cat /etc/passwd \|egrep '\:x\:10[0-9][0-9]' \|grep '\:\/bin\/bash' \|wc -l)

	## who is a system user, only check uid <1000 and has a login shell
	SYSTEMUSER=$(cat /etc/passwd \|egrep '\:x\:10[0-9][0-9]' \|egrep '\:\/bin\/bash\|\:\/bin/sh' \|awk '{if ($0) print}' \|awk -F ':' {'print $1'} \|awk -vq=" " 'BEGIN{printf""}{printf(NR>1?",":"")q$0q}END{print""}' \|cut -c2- \|sed 's/ ,/,/g' \|sed '1,$s/\([^,],[^,],[^,],[^,],[^,]*,\)/\1\n\\033[1;32m\t /g')

	## how many ssh super user (root) are there
	SUPERUSERCOUNT=$(cat /root/.ssh/authorized_keys \|egrep '^ssh-' \|wc -l)

	## who is super user (ignore root@)
	SUPERUSER=$(cat /root/.ssh/authorized_keys \|egrep '^ssh-' \|awk '{print $NF}' \|awk -vq=" " 'BEGIN{printf""}{printf(NR>1?",":"")q$0q}END{print""}' \|cut -c2- \|sed 's/ ,/,/g' \|sed '1,$s/\([^,],[^,],[^,]*,\)/\1\n\\033[1;32m\t /g' )

	## count sshkeys
	KEYUSERCOUNT=$(for i in $(cat /etc/passwd \|egrep '\:x\:10[0-9][0-9]' \|awk -F ':' {'print $6'}) ; do cat $i/.ssh/authorized_keys 2> /dev/null \|grep ^ssh- \|awk '{print substr($0, index($0,$3)) }'; done \|wc -l)

	## print any authorized ssh-key-user of a existing system user
	KEYUSER=$(for i in $(cat /etc/passwd \|egrep '\:x\:10[0-9][0-9]' \|awk -F ':' {'print $6'}) ; do cat $i/.ssh/authorized_keys 2> /dev/null \|grep ^ssh- \|awk '{print substr($0, index($0,$3)) }'; done \|awk -vq=" " 'BEGIN {printf ""}{printf(NR>1?",":"")q$0q}END{print""}' \|cut -c2- \|sed 's/ , /, /g' \|sed '1,$s/\([^,],[^,],[^,]*,\)/\1\n\\033[1;32m\t /g' )


	## show user information
	echo -e "
	${F2}============[ ${F1}User Data${F2} ]======================================================
	${F1} Your Username ${F2}= ${F3}$WHOIAM
	${F1} Your Privileges ${F2}= ${F3}$ID
	${F1} Current Sessions ${F2}= ${F3}[$SESSIONS] $LOGGEDIN
	${F1} SystemUsers ${F2}= ${F3}[$SYSTEMUSERCOUNT] $SYSTEMUSER
	${F1} SshKeyRootUsers ${F2}= ${F3}[$SUPERUSERCOUNT] $SUPERUSER
	${F1} SshKeyUsers ${F2}= ${F3}[$KEYUSERCOUNT] $KEYUSER${F1}"

	fi
	}


	## Environment Informations
	function show_environment_info () {

	if [ "$ENVIRONMENT_INFO" = "1" ]; then

	## environment file check
	if [ ! -f $ENVFILE ]; then
	createenv ;
	fi

	## include sys environment variables
	source $ENVFILE

	## test environment.cfg variables, if any of them are empty or damaged
	if [ -z "${SYSFUNCTION}" ] \|\| [ -z "${SYSENV}" ] \|\| [ -z "${SYSSLA}" ]; then
	rm $ENVFILE
	createenv ; # variables are exist but empty, create new
	fi


	## display environment information
	echo -e "
	${F2}============[ ${F1}Environment Data${F2} ]===============================================
	${F1} Function ${F2}= ${F3}$SYSFUNCTION
	${F1} Environment ${F2}= ${F3}$SYSENV
	${F1} Service Level ${F2}= ${F3}$SYSSLA${F1}"

	fi
	}


	## Maintenance Information
	function show_maintenance_info () {

	if [ "$MAINTENANCE_INFO" = "1" ]; then

	## get latest maintenance information
	MAINTENANCE=$(listlog \|head -n${LIST_LOG_ENTRY})


	## display maintenance information
	echo -e "
	${F2}============[ ${F1}Maintenance Information${F2} ]========================================
	${F4}$MAINTENANCE${F1}"

	fi
	}


	## Version Information
	function show_version_info () {

	if [ "$VERSION_INFO" = "1" ]; then


	## display version information
	echo -e "
	${F2}=============================================================[ ${F1}$VERSION${F2} ]==
	${F1}"

	fi
	}


	## Display Output
	function show_info () {

	show_system_info
	show_storage_info
	show_user_info
	show_update_info
	show_environment_info
	show_maintenance_info
	show_version_info
	}


	#### Main Part

	## if no parameter is passed then start show_info
	if [ -z "$1" ]; then
	show_info
	fi


	## paremeter
	param="$2 $3"

	case "$1" in

	addlog\|-a\|--addlog)
	addlog "$2"
	;;

	rmlog\|-d\|--rmlog)
	rmlog "$2"
	;;

	log\|--log\|-l\|--listlog\|listlog)
	listlog
	;;

	config\|-c\|--config\|setup\|-s\|--setup)
	createenv
	;;

	help\|-h\|--help\|?)

	echo -e "

	Usage: $0 [-c\|-a\|-d\|--help] <params>

	e.g. $0 -a \"start web migration\"

	Parameter:

	-a \| addlog \| --addlog \"...\" add new log entry
	-d \| rmlog \| --rmlog [loglinenumber] delete specific log entry
	-l \| log \| --log list complete log
	-c \| config \| --config configuration setup
	"
	;;

	esac