How to update the yum repository on Centos 5 server 1) yum install yum-fastestmirror 2) yum install yum-priorities 3) uname…
Important cpanel/whm files /etc/httpd/conf/httpd.conf – apache configuration file /etc/exim.conf – mail server configuration file /etc/named.conf – name server (named) configuration…
Manage multiple IP addresses with CSF The command to deny an IP: # csf -d ip.address Click here for more…
CSF commands for managing your server firewall. 1. Enable csf and lfd if previously disabled csf -e Or csf --enable…
* What is iptables in Linux ? Iptables is a rule based firewall system and is normally pre-installed on a…
Install and configure csf on CentOS the following steps as root user 1: Downloading csf package. rm -fv csf.tgz wget http://www.configserver.com/free/csf.tgz…
Enable SPF and DKIM for already created cPanel accounts cPanel script to enable SPF via commandline: Syntax # /usr/local/cpanel/bin/spf_installer $username…
Enable key based authentication 1. Generating Keys Key generator is available with Putty to generate private and public keys. You…
DATABASE ERROR: CONNECTION FAILED! Unable to connect to the database! Please contact your server-administrator. You’ve to check number of things…
How to change the permission of files and folders? Use chmod along with -exec to change the permissions. # find…