Ansible is an open source, powerful automation software for configuring, managing and deploying software applications on the nodes without any downtime just by using SSH. Today, most of the IT Automation tools runs as...
Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewall with support for networks zones. In earlier version, RHEL & CentOS 6 we have been using...
Update: For newer version of pfSense, check out Installation and Configuration of pfSense 2.4.4 Firewall Router. pfSense is an open source network firewall/router software distribution which is based on the FreeBSD operating system. pfSense...
Caching name servers using ‘Unbound‘ ( is a validating, recursive, and caching DNS server software ), back in RHEL/CentOS 6.x (where x is version number), we used bind software to configure DNS servers. Here...
In our previous article, we’ve shown you how to install FreeNAS server. In this article we will cover configuration of FreeNAS and setting up storage using ZFS. Requirements Installation of FreeNAS (Network-attached Storage) –...
RAID 10 is a combine of RAID 0 and RAID 1 to form a RAID 10. To setup Raid 10, we need at least 4 number of disks. In our earlier articles, we’ve seen...
Every newbies will get confuse of the word array. Array is just a collection of disks. In other words, we can call array as a set or group. Just like a set of eggs...
FreeNAS is an open source network-attached storage (NAS) operating system based on BSD and the ZFS filesystem with integrated RAID support. FreeNAS operating system is totally based on BSD and can be installed on...
In RAID 5, data strips across multiple drives with distributed parity. The striping with distributed parity means it will split the parity information and stripe data over the multiple disks, which will have good...
In Unix/Linux distributions, the command ‘usermod‘ is used to modify or change any attributes of a already created user account via command line. The command ‘usermod‘ is similar to that ‘useradd‘ or ‘adduser‘ but...
