Drop Sync/DDOS Attack
1. Find.. to which IP address in the server is [...]
Script for replacing a string in multiple files
for y in `ls | grep .html`; do sed "s/abc/xyz/g" [...]
How to Boot second kernel if first fails
Reference : http://www.linux-noob.com/forums/index.php?/topic/2928-grub-single-boot-and-kernel-panic-reboot/ If for example your grub.conf looks like [...]
Difference between Xen and Open VZ
I just found a great article that discussed about the [...]
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 [...]