Linux

Focused on CentOS as preferred OS, this collection contains guide about products specific for Linux, such as Asterisk, Zabbix, and etc.

Rsyslog and LogAnalyzer installation how-to

I want to collect all the logs from all the systems and network devices to one service, browse them and get reports and statistics. That is why I’ve implemented Rsyslog – maybe the most common tool for collecting logs. Plus, it can be set up to write all gathered logs to MySQL Database – and LogAnalyzer will take them from it and give them a comfortable and nice interface

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CentOS 7 Spacewalk kickstart

Spacewalk is an open source Linux systems management solution rich with different functions, that include installing and upgrading software, OS, making security check and more. In the last post, dedicated to Spacewalk, we will describe the process of setting up Spacewalk Kickstart, or remote installation over the network. For this purpose, it is bound with Cobbler – a Linux installation server that allows for rapid setup of network installation environments.

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CentOS 7 Spacewalk Features

Spacewalk is an open source Linux systems management solution rich with different functions, that include installing and upgrading software, OS, making security check and more. There are Spacewalk features that we can set up and use: remote commands, manage errata and make security scans, deploy files and monitor software crashes

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CentOS 7 How to install and register clients with Spacewalk

Spacewalk is an open source Linux systems management solution rich with different functions, that include installing and upgrading software, OS, making security check and more. In the previous articles we have learned hot to install Spacewalk and set up repositories. So the server job is done, now it is time to add some clients to manage

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CentOS 7 How to configure channels in Spacewalk

Spacewalk is an open source Linux systems management solution rich with different functions, that include installing and upgrading software, OS, making security check and more. But the basis for most functions are configured channels, so let’s find out, how to configure channels in Spacewalk.

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CentOS 7 How to install Spacewalk

I needed something like WSUS for CentOS, and Spacewalk provides that ability – patch management. But soon I’ve realized that gained so much more! In these articles we will talk about the most interesting features of this system. But to start using this system – at first, we must install it

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CentOS 7 DHCP Full configuration guide

In our CentOS 7 DHCP Full configuration guide we will cover basic and more complicated setup, configure failover and dynamic dns updates with PowerDNS, dig in troubleshooting and monitoring and use some additional utilities

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CentOS 7 PowerDNS installation guide

PowerDNS shows high performance and is distributed under the GPL license. It is the only solution, that stores zones in different backends like MySQL, PostgreSQL, LDAP and others. In addition, the PowerDNS Authoritative Server is the leading DNSSEC implementation.

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CentOS SElinux How to: Part 1, Theory and basics

Security-Enhanced Linux (SELinux) is an implementation of a mandatory access control (MAC) mechanism in the Linux kernel, checking for allowed operations after standard discretionary access controls (DAC) are checked. This article is the first in the series of CentOS SELinux How To, that guides you from theory and basics to advanced operations and troubleshooting SELinux.

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CentOS 7 install WordPress

You need do know how to deploy Wordpress locally for developers, web-designers or corporative environment. We will take a clean new CentOS 7 minimal install for that purpose, and make a default installation. This task can be divided into two main parts – LAMP installation and the installation of the Wordpress itself. Let`s get started.

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