install clamav in CentOS

1, Download source package
http://sourceforge.net/projects/clamav/files/clamav/0.97.4/clamav-0.97.4.tar.gz/download

2, create clamav group and user
[root@localhost clamav-0.97.4]#groupadd clamav
[root@localhost clamav-0.97.4]#adduser -g clamav clamav

3, Unzip file and install
tar zxvf clamav-0.97.4.tar.gz
cd clamav-0.97.4
./configure
make
make install

4, update clamav DB
a, create update log file
vim /var/log/freshclam.log
chown clamav:clamav /var/log/freshclam.log
b, config configure file
vim /usr/local/etc/freshclam.conf
# Comment or remove the line below.
#Example

# Path to the database directory.
# WARNING: It must match clamd.conf's directive!
# Default: hardcoded (depends on installation options)
#DatabaseDirectory /var/lib/clamav

DatabaseDirectory /usr/local/share/clamav

# Path to the log file (make sure it has proper permissions)
# Default: disabled

UpdateLogFile /var/log/freshclam.log

# Maximum size of the log file.
# Value of 0 disables the limit.
# You may use 'M' or 'm' for megabytes (1M = 1m = 1048576 bytes)
# and 'K' or 'k' for kilobytes (1K = 1k = 1024 bytes).
# in bytes just don't use modifiers.
# Default: 1M
LogFileMaxSize 2M

# Log time with each message.
# Default: no
LogTime yes

# Enable verbose logging.
# Default: no
LogVerbose yes

# Use system logger (can work together with UpdateLogFile).
# Default: no
LogSyslog yes

5, update clamav DB - you can add this in the cronjob
/usr/local/bin/freshclam

6, DB folder
[root@localhost ~]# ll /usr/local/share/clamav
total 33524
-rw-r--r-- 1 clamav clamav 59546 Apr 12 14:54 bytecode.cvd
-rw-r--r-- 1 clamav clamav 3461818 Apr 12 14:54 daily.cvd
-rw-rw-r-- 1 clamav clamav 30750647 Apr 12 14:13 main.cvd
-rw------- 1 clamav clamav 468 Apr 12 14:54 mirrors.dat

google map v3 infowindow sample

http://phoenixphysicalarts.com/

sendmail attachment

echo 'abc.com DB backup' | nail -a ~/security/abc.mysql -s 'abc DB backup ' abc@gmail.com

Apache not parsing php page

1,
yum install httpd php

2, check if php.conf in the folder of httpd conf
/etc/httpd/conf.d/php.conf

3, restart httpd
service httpd restart

`require': no such file to load

Error message:
[root@localhost restful]# ruby validedge.rb
validedge.rb:3:in `require': no such file to load -- rest_client (LoadError)
from validedge.rb:3

[root@localhost restful]# cat validedge.rb
#!/usr/bin/env ruby
require 'rest_client'

#require 'rest-client'

RestClient.get 'http://google.com/'

Solution:
Add require 'rubygems'
[root@localhost restful]# cat validedge.rb
#!/usr/bin/env ruby
require 'rubygems'

require 'rest_client'

#require 'rest-client'

RestClient.get 'http://google.com/'

ubuntu change host name

Add your name in this file and reboot the box
vim /etc/hostname

ubuntu install mail server and client

apt-get install postfix

apt-get install mutt