Added login alert

login_alert.sh

@@ -0,0 +1,29 @@
+SERVER_NAME=`hostname`
+SEND_TO="fred"
+
+LOGIN_WHO=`who -m | cut -d"(" -f2 | cut -d")" -f1 | tr -d \r`
+CPUTIME=$(ps -eo pcpu | awk 'NR>1' | awk '{tot=tot+$1} END {print tot}')
+CPUCORES=$(cat /proc/cpuinfo | grep -c processor)
+MYSQL_MEMORY=`ps -C mysqld -o rss= | awk '{s+=$1}END{print s/1024}'`
+
+
+echo "
+ Root Login Access to ${SERVER_NAME}
+ From: ${LOGIN_WHO}
+ Date: `date`
+
+Active Users:
+`who`
+
+System Summary (collected `date`)
+
+- CPU Usage                = $CPUTIME %  ($CPUCORES Cores)
+- Memory free (real)       = `free -m | head -n 2 | tail -n 1 | awk {'print $4'}` Mb
+- Memory free (cache)      = `free -m | head -n 3 | tail -n 1 | awk {'print $4'}` Mb
+- Swap in use              = `free -m | tail -n 1 | awk {'print $3'}` Mb
+- System Uptime            =`uptime`
+- Disk Space Used          = `df -h  / | awk '{ a = $5 } END { print a }'`
+- MySQL RAM                = `echo $MYSQL_MEMORY` MB
+
+" | mail -s "Alert: Root Login to ${SERVER_NAME} from ${LOGIN_WHO}" $SEND_TO
+