Questions and Answers

Cron is a task scheduler for Unix-based systems including all Linux distros. The cron daemon works in the background on your host and runs scheduled tasks according to the schedule.…

In this article we will show how to configure routing and manage network routes on Linux using the ip command on Linux CentOS (how to view the routing table, add/remove…

In a previous article we discussed how to install the KVM hypervisor and create a virtual machine. In a single article we were not able to cover the KVM virtual…

On CentOS, RedHat and Fedora you can configure automatic installation of security updates as soon as they appear in the repositories. In this article we will tell how to use…

Simple Network Management Protocol (SNMP) is used to get information about the current status of servers, network equipment, printers or other IP devices. You can get different metrics through SNMP:…

Parted is a PARTition EDitor for Linux to create, format, delete, shrink and extend disk partitions. The tool is easy to use and available in all Unix/Linux distros. A GUI…

In this article we will discuss how to check the performance of a disk or storage array in Linux. IOPS (input/output operations per second) is the number of input-output operations…

Hi, admin! I’m trying to turn on Windows Defender on Windows 10, but in the “Windows Defender Security Center”, the “Virus & threat protection” component has the message: “Threat service…

In my work I sometimes come across a problem when Linux is booted with the “Welcome to emergency mode” message. Most often, this problem occurs after an emergency power outage on…

In this article we’ll look on how to install and configure the KVM hypervisor on a server running Linux RHEL or CentOS. We will show how to create a virtual…