In this article we’ll talk about how to resize KVM virtual machine disks for popular disk types. We’ll show how to correctly increase a virtual machine disk size in the…
Linux
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CentOSLinuxQuestions and Answers
How to Install & Configure Repositories in CentOS/RHEL?
May 22, 2020The standard (official) RHEL/CentOS repositories offer a small number of basic packages that do not always contain the latest versions of programs. However, you can use third-party public or private…
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In this article, we’ll consider the YUM package manager that allows to manage program (RPM packages) installation, removal and updating, automatically resolve dependencies and manage additional repositories. This article will…
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CentOSLinuxQuestions and Answers
How to Configure MariaDB Master-Master/Slave Replication?
April 7, 2020Replication in SQL databases is the process of copying data from the source database to another one (or multiple ones) and vice versa. Data from one database server are constantly…
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In this article I will consider the installation, basic configuration and performance optimization of the database server MariaDB on Linux CentOS 7. At the end of the article I’ll show…
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Recently I have had a chance to work with SuperMicro servers that were new to me. SuperMicro servers can be are managed remotely using the IPMI interface. In this article…
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CentOSHyper-VLinux
Hyper-V Boot Error: The Image’s Hash and Certificate Are not Allowed
March 4, 2020I came across an interesting issue when trying to install Linux CentOS on a virtual machine running on a Hyper-V server (the type of the virtual machine was “Generation 2”…
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CentOSLinuxToolsWindows 10
Using iPerf to Test Network Speed and Bandwidth (Throughput)
February 4, 2020IPerf is an open-source tool designed to test network bandwidth between two network nodes. The iPerf allows to generate TCP and UDP traffic/load between two hosts. You can use iPerf…