Benchmarking with Frameworks.

Framework for Development. 

Ruby:
1.Ruby on Rails is on the TOP.

PHP:
2.FuelPHP fuelphp.com for the perfect mixture of CI, Kohana, Rails and others. 


If you check following URL:

http://ilikekillnerds.com/2011/04/codeigniter-vs-fuelphp

http://www.reddit.com/r/webdev/comments/fmy6i/why_is_fuelphp_better_than_codeigniter/

http://www.beyondcoding.com/2008/05/26/ruby-on-rails-passenger-modrails-vs-codeigniter-and-kohana/

Thanks-
Shrii

SMTP check script in ruby.

Create ruby script to check SMTP with login credential.
You can test two authentication in this script i.e. plain and login.

vi     /opt/rubymailtest.rb


require 'net/smtp'

message = <
From: info@homework.do
To: sbtoalerts@gmail.com
Subject: test message
Date: Sat, 23 Jun 2001 16:26:43 +0900

This is a test message.
END_OF_MESSAGE


#Net::SMTP.start('mail.exmaple.com') do |smtp|
#  smtp.send_message message, 'info@homework.do',
#                             'sbtoalerts@gmail.com'


# PLAIN
#Net::SMTP.start('mail.example.com', 25, 'mail.example.com',
#                'Your Account', 'Your Password', :plain)
 
# LOGIN
Net::SMTP.start('mail.example.com', 25, 'mail.example.com', 'username', 'passwd', :login) do |smtp|
      smtp.send_message message, 'info@homework.do',
                             'sbtoalerts@gmail.com'


#puts " done"
end

Remove extra spaces from file in linux.

If you found spaces and non-ASCII characters with in files, remove all  from a file in place.

Solution is:
perl -i.bak -pe 's/[^[:ascii:]]//g' filename


Thanks-

My New Writeup.

I am not good writer, still i am writing things which is need to me and people who find needful for them. 

This is my another Tech Blog. I hope its useful for all of us.

Please visit: http://linux-fundamentals.blogspot.com/


Thanks-

Shell Script To Monitor Mysql.

[root@ 17_johnson]# cat /usr/bin/monitor-mysql
#!/bin/bash

# mysql root/admin username
MUSER="root"
# mysql admin/root password
MPASS="im#secure"
# mysql server hostname
MHOST="localhost"
#Shell script to start MySQL server i.e. path to MySQL daemon start/stop script.
# Debain uses following script, need to setup this according to your UNIX/Linux/BSD OS.
MSTART="/etc/init.d/mysqld start"
# Email ID to send notification
EMAILID="shrikant.lokhande@example.com, lokhande.shrikant@gmail.com"
# path to mail program
MAILCMD="$(which mail)"
# path mysqladmin
MADMIN="$(which mysqladmin)"

#### DO NOT CHANGE anything BELOW ####
MAILMESSAGE="/tmp/mysql.fail.$$"

# see if MySQL server is alive or not
# 2&1 could be better but i would like to keep it simple and easy to
# understand stuff :)
$MADMIN -h $MHOST -u $MUSER -p${MPASS} ping 2>/dev/null 1>/dev/null
if [ $? -ne 0 ]; then
        echo "" >$MAILMESSAGE
        echo "Error: MySQL Server is not running/responding ping request">>$MAILMESSAGE
        echo "Hostname: $(hostname)" >>$MAILMESSAGE
        echo "Date & Time: $(date)" >>$MAILMESSAGE
        # try to start mysql
        $MSTART>/dev/null
        # see if it is started or not
        o=$(ps cax | grep -c ' mysqld$')
        if [ $o -eq 1 ]; then
                sMess="MySQL Server MySQL server successfully restarted"
        else
                sMess="MySQL server FAILED to restart"
        fi
        # Email status too
        echo "Current Status: $sMess" >>$MAILMESSAGE
        echo "" >>$MAILMESSAGE
        echo "*** This email generated by $(basename $0) shell script ***" >>$MAILMESSAGE
        echo "*** Please don't reply this email, this is just notification email ***" >>$MAILMESSAGE
        # send email
        $MAILCMD -s "MySQL server" $EMAILID < $MAILMESSAGE
else # MySQL is running :) and do nothing
        :
fi
# remove file
rm -f $MAILMESSAGE

Script To Check Disk Usage and Send Alert URGENT/WARNING.

[root@ 17_johnson]# cat /usr/bin/DiskUsage

#!/bin/bash


#filesystems="/dev/sda1 /dev/sda2 /dev/sda5"
filesystems="/data /log  /app  /backup  /home  /"

for fs in $filesystems
do

size=`df -k  $fs |grep $fs |awk '{ print  $3 }'`

        if [  $size  -le  2500000 ]  ;then
#                mail -b "URGENT: Low disk space for $fs ($size)"
 echo  "$fs ($size) URGENT" | mail -s "Alert: Disk Usage for Ishy  $fs ($size) " shrikant.lokhande@example.com
               echo "URGENT"
                break
        fi
        if [ $size -le  5000000 ] ;then
#                 mail -b "WARNING: Low disk space for $fs ($size)
   echo  "$fs ($size) WARNING" | mail -s "Alert: Disk Usage for Ishy(LOW)  $fs ($size) " shrikant.lokhande@example.com
               echo "WRANING"
fi
done

Shell script to taking MySql Dump/Backup.

[root@17_johnson]# cat /usr/bin/mybackupsql

#!/bin/bash
# USER VARIABLES
TIMESTAMP=$(date +%Y-%m-%d)
MYSQLUSER=root
MYSQLPWD=im#secure
MYSQLHOST=localhost
# PATH VARIABLES
MK=/bin/mkdir
GREP=/bin/grep
MYSQL=/usr/bin/mysql
MYSQLDUMP=/usr/bin/mysqldump
# CREATE MYSQL BACKUP
# Create new backup dir
$MK /backup/mysqlback_$TIMESTAMP
#Dump new files
for i in $(echo 'SHOW DATABASES;' | $MYSQL -u$MYSQLUSER -p$MYSQLPWD -h$MYSQLHOST|$GREP -v '^Database$'); do
  $MYSQLDUMP -u$MYSQLUSER -p$MYSQLPWD -h$MYSQLHOST $i >/backup/mysqlback_$TIMESTAMP/$i.sql
sleep 30
echo "$i"
done