In this article we will show how to reset the administrator password on the HPE server management board — Integrated Lights-Out (ILO). This guide is based on iLO v4, but…
Linux
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CentOSLinuxQuestions and AnswersUbuntu
Parted: Create and Manage Disk Partitions on Linux
May 5, 2021Parted 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…
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CentOSLinuxQuestions and AnswersRHELUbuntu
How to Check Disk Performance (IOPS and Latency) in Linux?
April 30, 2021In 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…
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CentOSLinuxQuestions and AnswersRHELUbuntu
Fix: Linux Boots into “Welcome to Emergency”
March 19, 2021In 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…
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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…
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In this article we’ll consider how to configure network on Linux CentOS/RHEL 7/8 and set network interfaces using configuration files, discover basic network configuration tools, etc. It is a relevant topic,…
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In this article we’ll show how to configure ICMP-based network device monitoring using ping in Zabbix. It is the easiest and the most popular task of agentless monitoring, when you…
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CentOSLinuxQuestions and AnswersRHEL
Configuring Software RAID on Linux Using MDADM
January 11, 2021MDADM is a tool that allows to create and manage software RAIDs on Linux. In this article we’ll show how to use mdadm (multiple disks admin) to create RAID array…
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CentOSLinuxQuestions and AnswersRHEL
Install and Configure OpenVPN Server on Linux CentOS/RHEL
December 31, 2020In this article we’ll consider the installation and configuration of an OpenVPN server running Linux CentOS/RHEL (7/8) and show how to join two remote computers (or offices) behind NAT into…
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Active DirectoryCentOSLinuxUbuntu
Zabbix: Single Sign-On (SSO) Authentication in Active Directory
December 17, 2020In this article we will consider a step-by-step configuration of a transparent SSO (Single Sign-On) authentication for Zabbix 4.0 (or newer) in Active Directory using Kerberos.