Monthly Archives: August 2009

28 08, 2009

Round Robin DNS

By |August 28th, 2009|Apache, Dns, Issues|1 Comment

Round robin DNS is a technique in which load balancing is performed by a DNS server instead of a strictly dedicated machine. A DNS record has more than one value IP address. When a request is made to the DNS server which serves this record, the answer it gives alternates for each request. For instance, [...]

10 08, 2009

Disable ping to server

By |August 10th, 2009|Issues, Server Security|0 Comments

To disable ping echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all To enable ping echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all

10 08, 2009

Change Mail Server IP

By |August 10th, 2009|Cpanel, Issues, Mail|2 Comments

Sometimes your server’s IP address may get black listed by most of RBLs. In such situation a quick solution is to route the emails through a secondary IP address on the same server which is not black listed. There are two options to switch the mail server IP. 1. In Cpanel: Login to WHM Click [...]

4 08, 2009

Remote access to mysql database

By |August 4th, 2009|Issues, Mysql, Server Setup|0 Comments

Step 1 : vi  /etc/my.cnf --------------------------------------------- pid-file        = /var/run/mysqld/ socket          = /var/run/mysqld/mysqld.sock port            = 3306 basedir         = /usr datadir         = /var/lib/mysql tmpdir          = /tmp language        = /usr/share/mysql/English bind-address    = mysql server ip # skip-networking --------------------------------------------- bind-address : IP address to bind to. skip-networking : Don’t listen for TCP/IP connections at all. All interaction with mysqld [...]

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