March 2019
« Jan    


WordPress Quotes

Whatever the mind of man can conceive and believe, it can achieve.
W. Clement Stone

Recent Comments

March 2019
« Jan    

Short Cuts

2012 SERVER (64)
2016 windows (9)
AIX (13)
Amazon (34)
Ansibile (19)
Apache (133)
Asterisk (2)
cassandra (2)
Centos (209)
Centos RHEL 7 (261)
chef (3)
cloud (2)
cluster (3)
Coherence (1)
DB2 (5)
DISK (25)
DNS (9)
Docker (28)
Eassy (11)
ELKS (1)
Fedora (6)
ftp (5)
GIT (3)
GOD (2)
Grub (1)
Hacking (10)
Hadoop (6)
horoscope (23)
Hyper-V (10)
IIS (15)
JAVA (7)
JBOSS (32)
jenkins (1)
Kubernetes (2)
Ldap (5)
Linux (188)
Linux Commands (166)
Load balancer (5)
mariadb (14)
Mongodb (4)
MQ Server (24)
MYSQL (84)
Nagios (5)
NaturalOil (13)
Nginx (31)
Ngix (1)
openldap (1)
Openstack (6)
Oracle (34)
Perl (3)
Postfix (19)
Postgresql (1)
PowerShell (2)
Python (3)
qmail (36)
Redis (12)
RHCE (28)
Security on Centos (29)
SFTP (1)
Shell (64)
Solaris (58)
Sql Server 2012 (4)
squid (3)
SSH (10)
SSL (14)
Storage (1)
swap (3)
TIPS on Linux (28)
tomcat (60)
Uncategorized (29)
Veritas (2)
vfabric (1)
VMware (28)
Weblogic (38)
Websphere (71)
Windows (19)
Windows Software (2)
wordpress (1)

WP Cumulus Flash tag cloud by Roy Tanck requires Flash Player 9 or better.

Who's Online

25 visitors online now
2 guests, 23 bots, 0 members

Hit Counter provided by dental implants orange county

Log Rotation Apache

I have installed apache 2.2 on RHEL 5.7. It is working over ssl connection. I want to use rotatelog feature provided by apache. My httpd.conf file for specifying logs location is as below :

ErrorLog “|/apps/apache/bin/rotatelogs /mnt/nfs4/logs/apache/error_log.%Y-%m-%d 10M” <IfModule log_config_module> LogFormat “%h %l %u %t \”%r\” %>s %b \”%{Referer}i\” \”%{User-Agent}i\”” combined LogFormat “%h %l %u […]

Remove comments and blank lines from configuration files using grep

grep -v ‘^#’ /etc/httpd/conf/httpd.conf | grep -v ‘^$’

Redirect to the file

 grep -v ‘^#’ /etc/httpd/conf/httpd.conf | grep -v ‘^$’  > test




Apache prefork tuning.

Modular structure of apache is one of the reason for its global dominance among webservers.We have the flexibility to adding or droping modules.Before we deal with apache prefork MPM we need to have a basic idea about apache Multi Processing Modules,Multi processing Modules (MPM) are the multiple request (hundreds to kilos) handling ‘department’ of apache.We […]

Multi-Site Dynamic Apache Configurations

In a continuing effort to make my hosting cloud more dynamic, I have had to become relatively creative with my Apache configurations so that my farm can remain relatively flexible with little or no reconfiguration on newly introduced servers. This presents a big problem when working with a multi-site Apache configuration, and an even bigger […]

Static page on apache using tomcat

he apache main job of the partial pressure, static page as apache on processing, servlets, jsp page ajp13 protocol gave tomcat, tomcat to handle.

# Tar xzvf jakarta-tomcat-connectors-jk-1.2.6-src.tar.tar

# Cd jakarta-tomcat-connectors-jk-1.2.6-src/jk/native

#. / Configure – with-apxs = / usr/local/apache2/bin/apxs

# Make

# Cp ./apache-2.0/ / usr/local/apache2/modules /


the will generate jk / […]

Recompile Apache 2.4.2 and Apache 2.2.22

How to Install Apache 2.4.2 from Source on CentOS 6.3 with SSL

yum install gcc yum install openssl-devel

yum install apr-devel yum install apr-util-devel

yum install libtool

yum install gcc-c++

# APR #

tar -xvzf apr-1.4.6.tar.gz

cd apr-1.4.6/



make install

cd ..

# APR Utils #

tar -xvzf apr-util-1.4.1.tar.gz

cd apr-util-1.4.1


Apache commands

# apachectl ­-k graceful In a server environment, should use the command apachectl instead of /etc/init.d/httpd. apachectl command is used to control the apache httpd daemon.

# apachectl -­k restart difference between apachectl -k graceful and apachectl -k restart is that in case of the former current requests are not aborted but in the latter […]

Hide Apache Info

One of the things which gives a potential attacker some help is them knowing which versions of software you use. This can be very easy to find out, particularly if you have never taken steps to secure this information.

For example: I would like to know what software are using/have used so I look […]

CentOS 6 as a production LAMP server

LAMP (Linux, Apache, MySQL, PHP) server from the scratch in an virtualized environment. There are many articles, but neither of them cover all the required steps. So far after each I had to troubleshoot many issues that weren’t even mentioned in the articles and that involves lot of searching and playing around. One of many […]

PCI Audits often reveal TRACE & TRACK : Apache Hardening

PCI Audits often reveal TRACE & TRACK as issues that must be handled before the website can be considered PCI compliant.

If you are running apache 2.x, the following directives will disable TRACE & TRACK functionality.

This change needs to be made in /etc/httpd/conf/httpd.conf: ServerTokens OS TraceEnable OFF

The Mod_rewrite directives below need to be […]