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RAID refers to redundant array of independent disks, it help you to combine multiple storage disks into single logical unit. Data is distributed across the disks, depend up on Raid level used. Multiple raid levels are available, we are focusing on 4 raid levels which are most widely used on IT industries. The following RAID […]
In Redhat Enterprise linux or Centos 5 There will be no default named .conf file in /etc directory. We Need to copy sample configuration files from /usr/share/doc/bind-9.3.4/sample/etc/ to /etc directory by using the following command. cp /usr/share/doc/bind-9.3.4/sample/etc/* /etc/ Copy zone files to /var/named directory from /usr/share/doc/bind-9.3.4/sample/var/named. cp -a /usr/share/doc/bind-9.X/sample/var/named/* /var/named We need to create the […]
Virtual Hosting is method of hosting multiple websites on single web server, web server might be anything of Apache HTTP,Microsoft IIS, Lighttpd etc.There are two type of Virtual Hosting in web server, Name based and IP based. With the Name based virtual hosting, we can configure multiple website on single ip address, in ip based, we can configure only […]
Load balancing is the method of distributing the requests that came from the clients to the multiple internal servers, and those servers serve the same content to the clients. Load balancing widely used with the web server where the web content served by multiple internal servers to the clients via the main public server. The […]
SELinux abbreviated as Security-Enhanced Linux, it implements the security policies on Linux and provides additional level access controls. it was originally developed by United States National Security Agency.