Ansible communicates with remote machines over SSH. In this tutorial we going to create a playbook where we will create a user for the key-based authentication and copy the public…
PostgreSQL is a powerful, open source object-relational database system ( ORDBMS ). Unlike other relational database systems, PostgreSQL allows users to create unique operators, complex data types, aggregate functions, data…
Adiscon LogAnalyzer is a web interface to syslog/Rsyslog and other network event data. Although, it provides easy browsing, analysis of real time network events and reporting services. In this guide,…
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Ansible for devops is an open source tool for IT configuration management, deployment and orchestration similar to Chef, Puppet, is extremely simple and easy to use because it uses SSH…
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Scenario: Suppose that you accidently removed Apache log file and you need to recover it. what you should do ? In this article we will show you how to recover…
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Centos/RedhatLinux
How to install and configure Varnish with Apache on Centos 7
by Lotfi Waderni November 13, 2016Varnish is an open source reverse HTTP proxy, an web accelerator typically run in front of web servers such as Apache or Nginx. Designed to increase the performance of busy,…
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Centos/RedhatLinuxMonitoring ToolsZabbix
How to Install Zabbix Agent on CentOS 7/RHEL 7
by Lotfi Waderni November 3, 2016After we have installed zabbix server on CentOS/RHEL 7. In this article will demonstrate how to install zabbix agent on CentOS/RHEL 7 systems. Environment: Hostname = webserver02.yallalabs.com IP Address =…