Work in modern organizations is difficult to imagine without a server. Without it, data is disjointed, is stored on different computers and even when using network, is quite difficult to pull together when needed for the job. And so what about a situation when database is in daily use? You could never do this without […]
The server includes: Very fast processor Large memory Large capacity drives Connect to high-speed line T1 (connected to the outside world). Hardware is hosted in very large office buildings or data centers. In rooms with climate control, the racks of dedicated servers are stored. Most servers can boast that they are in working order 99% […]
Before starting, I’ll tell you what we can do by using the screen command. As a Linux sysadmin, it is very common that you have the need to run several commands at once. You will probably open several ssh sessions for this, however, there is a way better, safer and recommended. Another need that will […]
The advantages of server virtualization can be so tempting, it’s easy to overlook a number of limitations to this method. Before attempting to design a solution that should get acquainted with the peculiarities of the methods of server virtualization, as well as the architecture and the needs of its own network administrator. Servers, designed for […]
There are three ways to create virtual servers: full virtualization, para-virtualization and OS-level virtualization. They have little in common. Physical server is called host. Virtual servers are called guest. Virtual servers behave in the same way as physical machines. In each system, it uses its own resources unlike any other approach to resource allocation of […]