Linux Distributions

ClamAV is an open source antivirus tool. Its basic usage is for detecting viruses, malware, and malicious software on Linux-based machines. The threat from viruses, Trojans, and other forms of malware is real. They have grown exponentially…
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Kubernetes is an open-source container orchestration tool developed by Google. In this article, you will learn how to set up Kubernetes with a master node and a worker node. Make sure you have Docker installed on both master and worker…
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Firewalld is the new userland interface in RHEL 7. It replaces the iptables interface and connects to the netfilter kernel code. It mainly improves the security rules management by allowing configuration changes without stopping the current…
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Like most other Linux distributions, CentOS 7 uses the netfilter framework inside the Linux kernel in order to access packets that flow through the network stack. This provides the necessary interface to inspect and manipulate packets in…
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This guide is meant as an introduction to iptables and covers basic packet filtering using this tool on Centos 7. The goal is to learn to work with some basic options so you can adapt them to your particular needs. For this reason we will…
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When you want to improve the performance or the characteristics of your server, you need to set the kernel runtime parameters. In order to do this, you’ve got three ways: through the /proc filesystem, with the sysctl command,…
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Jenkins is a Java-based, open-source automation server. Jenkins is used to automate all sorts of tasks related to building, testing and delivering or deploying software. Jenkins is a fork of Project Hudson and it is maintained by the…
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Ansible is an open-source software provisioning, configuration management, and application-deployment tool. Ansible uses its own declarative language, based on YAML (Yet Another Markup Language), to describe system configurations. The…
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CentOS 8 has been released on September 24th, 2019. You now may be looking to try the world’s best opensource enterprise operating system. CentOS 8 is derived from the source of Red Hat Enterprise Linux 8 and uses Linux kernel 4.18.…
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Asterisk is an open source framework used for building communication applications. You can use it to turn a local computer or server to communication server. It is used to power IP PBX systems, VoIP gateways, conference servers and other…
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