VPS

We are here discussing the steps to completely uninstall HyperVM.For this, you have to  run these commands on the server. Please note that there is no coming back. So do it safe and secure. Let’s remove the HyperVM startup script first. service hypervm stop /etc/init.d/hypervm stop chkconfig hypervm off chkconfig –del hypervm rm -f /etc/init.d/hypervm […]

Distributed Replicated Block Device (DRBD)  or network raid mirrors block devices between multiple hosts. A block device is the type of device used to represent storage in the Linux Kernel. All physical disk devices present a block device interface. DRBD mirrors a partition between two machines allowing only one of them to mount it at […]

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Server security experts define rootkits as a collection of programs that enable an attacker to get the same privilage as the root user in a linux or unix system. The word is composed of two portions: ‘root’ – meaning the application will provide the highest access level of the root/administrator in the system and ‘kit’ […]

This PostgreSQL basics Tutorial providing the must know basics for the system administrators. PostgreSQL or Postgres is an object-relational database management system (ORDBMS). Unlike MySQL, PostgreSQL is not controlled by any single company, it is a community developed project. It is a advanced version of the ‘Ingres’ Database project (which is how the project gets […]