How To: Report on OS Status Script

Status

#!/bin/bash

MY_VERSION="1.22k"
# status_report.sh - Generate a status report about a Linux machine
#
# Last update: July 15, 2008
# (C) Copyright 2005-2008 by Arno van Amersfoort
# Homepage              : http://rocky.eld.leidenuniv.nl/
# Email                 : a r n o v a AT r o c k y DOT e l d DOT l e i d e n u n i v DOT n l
#                         (note: you must remove all spaces and substitute the @ and the . at the proper locations!)
# ----------------------------------------------------------------------------------------------------------------------
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# version 2 as published by the Free Software Foundation.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
# ----------------------------------------------------------------------------------------------------------------------

# Set path
PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/sbin:/usr/sbin:/bin

# Specify custom (source) script, if used
CUSTOM_SCRIPT="/usr/local/sbin/sr_custom_script"

echo "$(date +'%b %d %k:%M:%S') Status report v$MY_VERSION for $HOSTNAME"
echo "Written by Arno van Amersfoort"
echo "--------------------------------------------------"

uname -a
free -m
uptime
export TERM=vt100; /usr/bin/top -b -n 1 |grep -i '^CPU'

if [ -e /proc/mdstat ]; then
echo ""
echo "---------------"
echo "| RAID status |"
echo "---------------"
#  if [ -x /sbin/mdadm ]; then
#    /sbin/mdadm --detail --scan 2>&1
#    echo ""
#  fi
FAIL=0
DEGRADED=0
MISMATCH=0
unset IFS
while read LINE; do
printf "%s" "$LINE"
if echo "$LINE" |grep -q 'active raid'; then
DEV="$(echo "$LINE" |awk '{ print $1 }')"

printf " (mismatch_cnt=%s)" "$(cat /sys/block/$DEV/md/mismatch_cnt)"
# NOTE: Mismatch fixing (repair) doesn't work yet with a 2.6.18 kernel!
if [ "$(cat /sys/block/$DEV/md/mismatch_cnt)" != "0" ]; then
MISMATCH=$(($MISMATCH +1))
#        printf " (WARNING: Unsynchronised (mismatch) blocks!)"
fi

if echo "$LINE" |grep -q '\(F\)'; then
FAIL=$(($FAIL + 1))
printf " (WARNING: FAILED DISK(S)!)"
fi

if echo "$LINE" |grep -q '\(S\)'; then
printf " (Hotspare(s) available)"
else
printf " (NOTE: No hotspare?!)"
fi
fi

if echo "$LINE" |grep -q 'blocks'; then
if echo "$LINE" |grep -q '_'; then
DEGRADED=$(($DEGRADED + 1))
printf " (DEGRADED!!!)"
fi
fi

echo ""
done < /proc/mdstat

if [ $FAIL -gt 0 ]; then
echo ""
echo "** WARNING: $FAIL MD(RAID) array(s) have FAILED disk(s)! **"
fi

if [ $DEGRADED -gt 0 ]; then
echo ""
echo "** WARNING: $DEGRADED MD(RAID) array(s) are running in degraded mode! **"
fi

if [ $MISMATCH -gt 0 ]; then
echo ""
echo "** WARNING: $MISMATCH MD(RAID) array(s) have unsynchronized (mismatch) blocks! **"
fi
fi

echo ""
echo "---------------------"
echo "| S.M.A.R.T. status |"
echo "---------------------"
if which smartctl 2>&1 >/dev/null; then
cat /proc/partitions |grep -e "sd.$" -e "sd. " -e "hd.$" -e "hd. " |awk '{ print $4 }' |while read HDD; do
#    printf "/dev/$HDD: "
printf "/dev/%s: " "$HDD"
# Explicity turn on SMART on device:
smartctl -q silent -s on /dev/$HDD
#    smartctl -H -l error /dev/$HDD |tail -n5 |grep -v -e "^$" -e "Version" -e "Device does not support" -e "Enable Save with" 2>&1
smartctl -H /dev/$HDD |grep -v -e '^$' |tail -n1 2>&1
done
else
echo "smartctl binary not found (smartmontools not installed?)"
fi

#echo ""
#echo "---------------------"
#echo "| S.M.A.R.T. status |"
#echo "---------------------"
#if which ide-smart 2>&1 >/dev/null; then
#  cat /proc/partitions |grep -e "sd.$" -e "sd. " -e "hd.$" -e "hd. " |awk '{ print $4 }' |while read HDD; do
##    printf "/dev/$HDD: "
#    printf "/dev/%s: " "$HDD"
#    # Explicity turn on SMART on device:
#    ide-smart -q  -1 /dev/$HDD
##    smartctl -H -l error /dev/$HDD |tail -n5 |grep -v -e "^$" -e "Version" -e "Device does not support" -e "Enable Save with"$
#    ide-smart -H /dev/$HDD |grep -v -e '^$' |tail -n1 2>&1
#  done
#else
#  echo "smartctl binary not found (smartmontools not installed?)"
#fi

echo ""
echo "------------------"
echo "| DiskSpace info |"
echo "------------------"
DF_WARNING=0
IFS=$'\n'
for LINE in `df -h -P -l -T --sync`; do
#  echo -n "$LINE"
printf "%s" "$LINE"
if echo "$LINE" |grep -q -v "Use%"; then
free_perc=`echo "$LINE" |awk '{ print $6 }' |sed s,'%',,`
if [ $free_perc -gt 95 ]; then
echo ' (At or near max. capacity!)'
DF_WARNING=1
fi
fi
echo ""
done
if [ "$DF_WARNING" = "1" ]; then
echo ""
echo "** WARNING: One or more filesystems are at or near maximum capacity! **"
fi

if [ -d /var/log/fsck ]; then
echo ""
echo "------------------"
echo "| Fsck boot logs |"
echo "------------------"
cat /var/log/fsck/*
fi

echo ""
echo "--------------------"
echo "| Hardware sensors |"
echo "--------------------"
if which sensors 2>&1 >/dev/null; then
# Re-read configuration:
if [ -n "$(sensors -s 2>&1)" ]; then
echo "** WARNING: Unable to read hardware sensors (/etc/sensors.conf incorrect/missing?) **"
else
result=`sensors 2>&1`
echo "$result"
if echo "$result" |grep -q "ALARM"; then
echo ""
echo "** WARNING: One or more sensors show ALARM! **"
fi
fi
else
echo "sensors binary not found (lm-sensors not installed?)"
fi

echo ""
echo "------------------------------------"
echo "| Display listening server sockets |"
echo "------------------------------------"
if which netstat 2>&1 >/dev/null; then
netstat -nal |egrep '^tcp' | sed -r 's/[ ]+/ /g' | cut -d ' ' -f 1,6 | sort | uniq -c | sort -rn
else
echo "no netstat found"
fi

echo ""
echo "-----------------------"
echo "| Kernel warnings log |"
echo "-----------------------"
KERNEL_LOG="current"
if [ ! -f "/var/log/kernel/$KERNEL_LOG" ]; then
echo "/var/log/kernel/$KERNEL_LOG does NOT exist. Consider adding a line like"
echo "'kern.warn    /var/log/kernel/$KERNEL_LOG' to your syslog.conf"
else
cat "/var/log/kernel/$KERNEL_LOG.0" >"/tmp/$KERNEL_LOG" 2>/dev/null
cat "/var/log/kernel/$KERNEL_LOG" >>"/tmp/$KERNEL_LOG"
filesize=$(ls -l "/tmp/$KERNEL_LOG" |awk '{ print $5 }')

if [ $filesize -eq 0 ]; then
echo "(Empty)"
else
cat "/tmp/$KERNEL_LOG"
fi

# Remove temp file
rm -f "/tmp/$KERNEL_LOG"

# Remove log files
rm -f "/var/log/kernel/$KERNEL_LOG.1" 2>/dev/null
mv "/var/log/kernel/$KERNEL_LOG.0" "/var/log/$KERNEL_LOG.1" 2>/dev/null
mv "/var/log/kernel/$KERNEL_LOG" "/var/log/$KERNEL_LOG.0" 2>/dev/null
printf "" >|"/var/log/$KERNEL_LOG"
fi

echo ""
echo "----------------------------"
echo "| Available Debian Updates |"
echo "----------------------------"
if which apt-get 2>&1 >/dev/null; then
apt-get update -q=2 2>&1
echo "** Testing what packages could be upgraded: **"
apt-get upgrade -u --download-only -y -q -V 2>&1
else
echo "apt-get binary not found (apt-get not installed?)"
fi

echo ""
echo "----------------------------"
echo "| Available Gentoo Updates |"
echo "----------------------------"
if which emerge 2>&1 >/dev/null; then
emerge --sync --quiet 2>&1
echo "** Testing what packages could be upgraded: **"
emerge -DuNpv world 2>&1
else
echo "emerge binary not found (emerge not installed?)"
fi

echo ""
echo "-------------------------------------"
echo "| Available Gentoo Security Updates |"
echo "-------------------------------------"
if which glsa-check 2>&1 >/dev/null; then
echo "** Test if this system is affected by the given GLSA: **"
glsa-check -t all 2>&1
else
echo "glsa-check binary not found (glsa-check not installed?)"
fi

echo ""
echo "-------------------"
echo "| Chkrootkit info |"
echo "-------------------"
if which chkrootkit 2>&1 >/dev/null; then
chkrootkit -q >/tmp/chkrootkit_output.txt 2>&1
if [ -n "$(cat /tmp/chkrootkit_output.txt)" ]; then
cat /tmp/chkrootkit_output.txt
else
echo "Nothing found"
fi
rm -f /tmp/chkrootkit_output.txt
else
echo "chkrootkit binary not found (chkrootkit not installed?)"
fi

if which clamscan 2>&1 >/dev/null; then
echo ""
echo "-----------------"
echo "| ClamAV status |"
echo "-----------------"

# Show clam version:
clamscan --version 2>&1

# Dummy run to see whether we're not out-of-date:
echo "" |clamscan --quiet - 2>&1
fi

if [ -e /var/log/backup.log ]; then
echo ""
echo "---------------"
echo "| Backup info |"
echo "---------------"
cat /var/log/backup.log
fi

if [ -e "$CUSTOM_SCRIPT" ]; then
. "$CUSTOM_SCRIPT"
fi

# TODO?: Fix no smart disabled error (smartctl returns 0)