管理员shell脚本

#!/bin/bash# monitor available disk space#注意格式 变量=`值`SPACE=`df|sed -n '/\/$/p'| gawk '{print $5}'|sed 's/%//'`if [ $SPACE -ge 20 ]then
echo "Disk space on root at $SPACE% used"|mail –s “Disk warning”else
echo "Disk space on root is OK"
fi

#小型，每天上午12：30

30 0 * * * /root/diskmon

#大型，每天4次，12：30，8：30，下午12：30和下午4：30

30 0,8,12,16 * * * /root/diskmon

#!/bin/bash

# calculate disk usage and report per user

TEMP=`mktemp -t tmp.XXXXXX`
du -s /home/* |grep -v lost|sed 's/\/home\///'|sort -g -r > $TEMP

TOTAL=`du -s /home |gawk '{print $1}'`

cat $TEMP |gawk -v n="$TOTAL" '

BEGIN {

print "Total Disk Useage by User"

print "User\tSpace\tPercent"

}

{

printf "%s\t%d\t%6.2f%\n",$2,$1,($1/n)*100

}

END {

print "---------------------------";

printf "Total\t%d\n", n

}'

rm -f $TEMP

[root@docker1 ~]# ./diskhogs.sh

Total Disk Useage by User

User Space Percent

benny3704 99.68%

test12 0.32%

---------------------------

Total3716

#!/bin/bash

# script to capture system statistics

OUTFILE=/root/capstats.csv

DATE=`date +%m/%d/%Y`

TIME=`date +%k:%M:%S`

TIMEOUT=`uptime`

VMOUT=`vmstat 1 2`

USERS=`echo $TIMEOUT | awk '{print $4}'`

LOAD=`echo $TIMEOUT | awk '{print $9}'| sed 's/,//'`

FREE=`echo "$VMOUT"| sed -n '/[0-9]/p' | sed -n '2p' | awk '{print $4}'`

IDLE=`echo "$VMOUT" | sed -n '/[0-9]/p' | sed -n '2p' | awk '{print $15}'`
echo "$DATE,$TIME,$USERS,$LOAD,$FREE,$IDLE" >> $OUTFILE

[root@docker1 ~]# cat capstats.csv 
12/11/2016, 0:09:02,2,0.04,183360,100

输出html格式

#!/bin/bash

# parse capstats data into daily report

FILE=/root/capstats.csv

TEMP=/root/capstats.html

MAIL=which mutt

DATE=`date +"%A,%B,%d,%Y"`
echo "
Report for $DATE
" > $TEMP
echo "" >> $TEMP
echo "" >> $TEMP
echo "" >> $TEMP
cat $FILE |awk -F, '{

printf"",$1,$2,$3;

printf"\n",$4,$5,$6;

}' >> $TEMP

echo "
Date
Time
Users
Load
Free Memory
%CPU Idle
%s
%s
%s
%s
%s
%s
" >> $TEMP

$MAIL-a $TEMP -s "Stat report for $DATE" root < /dev/null

#rm -f $TEMP

tar -cf archive.tar /root/test 2> /dev/null

#!/bin/bash

# archive a working diretory

DATE=`date +%y%m%d`

FILE=archive$DATE

SOURCE=/root/test

DESTINATION=/root/archive/$FILE
tar -cf $DESTINATION $SOURCE 2> /dev/null

gzip $DESTINATION

#!/bin/bash

# archive a working diretory hourly

DAY=`date +%d`

MONTH=`date +%m`

TIME=`date +%k%M`

SOURCE=/root/test

BASEDEST=/root/archive
mkdir -p $BASEDEST/$MONTH/$DAY

DESTINATION=$BASEDEST/$MONTH/$DAY/archive$TIME
tar -cf $DESTINATION $SOURCE 2> /dev/null

gzip $DESTINATION

#!/bin/bash

# archive a working directory and e-mail it out

MAIL=`which mutt`

DATE=`date +%y%m%d`

FILE=archive$DATE

SOURCE=/root/test

DESTINATION=/root/archive/$FILE

ZIPFILE=$DESTINATION.zip

tar -cf $DESTINATION $SOURCE 2> /dev/null

zip $ZIPFILE $DESTINATION
rm -f $DESTINATION

$MAIL-a $ZIPFILE -s "Archive for $DATE" root@docker1.com < /dev/null