Perl/Shell Script to check the disk size of destination from source and alert

ssh username@server "du -h /mount/name" | grep "whatever" # to find out the disk usage and free space

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#!/bin/sh

SERVERS="UXINPR01 AAPGICP001 GCPDBS001 SOADBS001 CNASIAAPPUX001"
EMAILRCPT="you@youraddress.com"
FILE_TO_COPY="/path/to/myfile/toftp"
MYFILESIZE=`du -k $FILE_TO_COPY | awk '{print $1}'`

for SERVER in $SERVERS;
do
        KFREE=`ssh $SERVER df -k | grep /u04 | awk '{print $4}'`
        if [ $MYFILESIZE -gt $KFREE ]; then
                mail -s "Server $SERVER has $KFREE available, needs $MYFILESIZE" $EMAILRCPT < /dev/null
        fi
done

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#!/bin/sh

# Each of your server names
SERVERS="UXINPR01 AAPGICP001 GCPDBS001 SOADBS001 CNASIAAPPUX001"
# Email address to mail the results to if a system has too little space
EMAILRCPT="you@youraddress.com"
# This is the file or folder that you want to copy to each remote server
FILE_TO_COPY="/path/to/myfile/toftp"
# This puts the size in KB of the file/folder you want to copy into a variable
MYFILESIZE=`du -k $FILE_TO_COPY | awk '{print $1}'`

# Now we cycle through the list of server names, one by one
for SERVER in $SERVERS;
do
        # ssh to the server, get the disk space in KB available on partition /u04
        KFREE=`ssh $SERVER df -k | grep /u04 | awk '{print $4}'`
        # See if the file we're copying is greater than the free space available
        if [ $MYFILESIZE -gt $KFREE ]; then
                # Mail you to let you know which server doesn't have sufficient space
                mail -s "Server $SERVER has $KFREE available, needs $MYFILESIZE" $EMAILRCPT < /dev/null
        fi
done

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#!/bin/sh

# Create a counter for the source files
COUNT=1
# Each of your server names
SERVERS="UXINPR01 AAPGICP001 GCPDBS001 SOADBS001 CNASIAAPPUX001"
# Email address to mail the results to if a system has too little space
EMAILRCPT="you@youraddress.com"
# This is the folder that holds the files to be copied
SOURCE_COPY_DIR="/path/to/myfiles"

# Now we cycle through the list of server names, one by one
for SERVER in $SERVERS;
do
        # This looks for a file in your source directory that starts with 0<counter value>
        EXIST=`ls $SOURCE_COPY_DIR/0$COUNT* | wc -l`
        if [ $EXIST -ne 1 ]; then
                # The file isn't present (or there is more than 1 match)
                mail -s "Error locating source file $SOURCE_COPY_DIR/0$COUNT*" $EMAILRCPT < /dev/null
        else
                # This puts the size in KB of the file/folder you want to copy into a variable
                MYFILESIZE=`du -k $SOURCE_COPY_DIR/0$COUNT* | awk '{print $1}'`
                # ssh to the server, get the disk space in KB available on partition /u04
                KFREE=`ssh $SERVER df -k | grep /u04 | awk '{print $4}'`
                # See if the file we're copying is greater than the free space available
                if [ $MYFILESIZE -gt $KFREE ]; then
                        # Mail you to let you know which server doesn't have sufficient space
                        mail -s "Server $SERVER has $KFREE available, needs $MYFILESIZE to copy file $SOURCE_COPY_DIR/0$COUNT*" $EMAILRCPT < /dev/null
                fi
        fi
        # Increment the counter by 1
        COUNT=`expr $COUNT + 1`
done

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