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WebSite Monitoring Simple .!

Monday, November 16, 2009 Posted by Shrikant Lokhande 0 comments
First of all create one /opt/monitoring.rb and /home/sites.txt
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#!/usr/bin/ruby

require 'net/http'
require 'net/smtp'


File.open("/home/sites.txt").each { |line|
# get rid of CRLF
line.chomp!

next if(line[0..0] == '#' || line.empty?)

# url, emails = line.split(' ')
# emails = emails.split(",")

url= line.split(' ')

# check if http:// was in the url if not add it in there
# url.insert(0, "http://") unless(url.match(/^http\:\/\//))

# Get the HTTP_RESPONSE from the site we are checking
res = Net::HTTP.get_response(URI.parse(url.to_s))

# Check the response code and send an email if the code is bad
unless(res.code =~ /2|3\d{2}/ ) then
from = "shrikant.lokhande@gmail.com"
message = "From: shrikant.lokhande@gmail.com\nSubject: #{url} Unavailable\n\n#{url} - #{res.code} - #{res.message}\nHTTP Version - #{res.http_version}\n\n"
begin
Net::SMTP.start("smtp server",25,"domain name","username","passwd","login") do |smtp|
smtp.send_message(message, from, 'youremail@gmail.com')
end
rescue Exception => e
print "Exception occured: " + e
end
end
}
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vi /home/sites.txt

http://www.website.com
-------------------------------------------

Add script in cron like :
* * * * * ruby /opt/monitoring.rb

from another server or same server. but prefer from another server. configure SMTP and add your email id in the script for alert.

Thats it.!
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Script for Mysql Backup on Linux.

Monday, November 9, 2009 Posted by Shrikant Lokhande 0 comments
#!/bin/bash
# USER VARIABLES
TIMESTAMP=$(date +%Y-%m-%d)
MYSQLUSER=root
MYSQLPWD=passwd
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
$MK /backup/mysqlbackup/mysqlback_$TIMESTAMP
#Dump new files
for i in $(echo 'SHOW DATABASES;' | $MYSQL -u$MYSQLUSER -p$MYSQLPWD -h$MYSQLHOST|$GREP -v '^Database$'); do
run $MYSQLDUMP -u$MYSQLUSER -p$MYSQLPWD -h$MYSQLHOST $i >/backup/mysqlbackup/mysqlback_$TIMESTAMP/$i.sql
echo "$i"
done

------------------------------
run this script in cron like
* 1 * * * /usr/bin/mysqlbackup
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