Sender verify defer + host lookup did not complete
Login to WHM >> Main >> Service Configuration >> Exim [...]
Install Zend Optimizer
cd /usr/local/src check latest zendoptimizer wget http://www.eth0.us/files/ZendOptimizer-3.0.1-linux-glibc21-i386.tar.gz tar -zxf ZendOptimizer-3.0.1-linux-glibc21-i386.tar.gz [...]
Round Robin DNS
Round robin DNS is a technique in which load balancing [...]
Disable ping to server
To disable ping echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all To enable ping [...]
Change Mail Server IP
Sometimes your server’s IP address may get black listed by [...]
Remote access to mysql database
Step 1 : vi /etc/my.cnf --------------------------------------------- pid-file = /var/run/mysqld/mysqld.pid socket [...]
The perl module Encode::Detect::Detector could not be installed
Change the current cpanel version to stable : vi /etc/cpupdate.conf [...]
Track Spammers in Plesk
Install qmhandle-1.3.2 from: http://downloads.sourceforge.net/sourceforge/qmhandle/qmhandle-1.3.2.tar.gz?use_mirror=nchc cd qmhandle-1.3.2 ./qmHandle -s shows the [...]
Prevent SYN attacks
1. Enable SYN cookies mechanism in the server by the [...]
Hiding redirect url
Create an index.html file : <frameset rows="100%"> <frame src="http://linuxstuffs.wordpress.com/"> </frameset> [...]