How to Install and Use Containerization

Posted on June 1, 2020 by Antonia Pollock | Updated: June 4, 2020
Category: Tutorials | Tags: Apache Mesos, API, CentOS, Cloud, Container, Containerization, Continuous Deployment, Continuous Integration, CoreOS, Deployment, Docker, Docker CE, Docker Client, Docker Engine, Docker Hub, Docker Image, Image, LXC, Mesos, OCI, Open Container Initiative, Open Source, OpenVZ, Portable, Repository, REST, UserMod, Virtual Machines, Virtualization, Virtualized

Reading Time: 6 minutes

What is Containerization?

Containerization is a form of virtualized operating system developed as a response to the many problems of hardware-level virtualization. Because the latter runs a full-blown guest operating system, it is very resource-intensive and incurs a significant amount of overhead, but containerization is much lighter. Since the containers share the host machine’s kernel, the resources are not wasted on running separate operating system tasks. This allows for a much quicker and lightweight deployment of applications.

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How to Install PHP Extensions on CentOS 8

Posted on May 18, 2020 by Justin Palmer
Category: Tutorials | Tags: CentOS, CentOS 8, Community, DNF, DNF-Utils, Extension, Functionality, Library, Modules, Package Management, Package Manager, PECL, PHP, PHP Extensions, PHP Modules, PHPRedis, Redis, Remi Repository, Repository, Systemctl

Reading Time: 3 minutes

PECL, the PHP Extension Community Library, is a repository of C extensions that are loaded directly into PHP. PHP Extensions expand the functionality of PHP. PECL extensions can be installed via the use of the pecl command. There are also PHP extensions provided by package repositories. The decision of which to utilize typically depends on how PHP was installed.

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How to Install NVM for Node.js on CentOS 8

Posted on May 13, 2020 by David Singer | Updated: May 29, 2020
Category: Tutorials | Tags: Asynchronous, CentOS, CentOS 8, Data Driven Applications, Erbium, JavaScript, Javascript Runtime, js, Latest LTS, Long Term Support, Node Version Manager, Node.js, NVM, NVM Current, NVM Install, Open Source, Runtime Environment

Reading Time: 3 minutes

Node Version Manager, also known as NVM is used to control and manage multiple active versions of Node.js in one system. It is a command line utility and a bash script that allows programmers to shift between different versions of Node.js. They will be able to install any version using a single command and setting defaults using the command line utility.

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Create a MySQL User on Linux via Command Line

Posted on May 11, 2020 by Justin Palmer
Category: Series, Technical Support, Tutorials | Tags: CentOS, CentOS 6, CLI, Command-line, create, Database, Linux, MariaDB, MySQL, select, User

Reading Time: < 1 minute

Previous Series:
MySQL via Command Line 101: Basic Database Interaction

Pre-Flight Check

These instructions are intended for creating a MySQL user on Linux via the command line.
I’ll be working from a Liquid Web Core Managed CentOS 6.5 server, and I’ll be logged in as root.

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How to Set Up and Manage Sudo Permissions

Posted on May 4, 2020 by Ellen Sletton
Category: Tutorials | Tags: Alias, CentOS, Configuration, Debug, Elevated Permissions, Examples, Group, Host, Logging, Nano, Permission Sets, Permissions, Privileges, Root, Subsystem, Sudo, Sudoers, Superuser, Terminal, Ubuntu, Vim, Visudo

Reading Time: 7 minutes

What Is Sudo?

Sudo is a Linux program meant to allow a user to use root privileges for a limited timeframe to users and log root activity. The basic thought is to give as few privileges as possible to a user while allowing the user to accomplish a task. The term “Sudo” means substitute user, and do. It is a program used for managing of user permission based on a system configuration file. It allows users to run programs with the privileges of another user, by default, the superuser. The program is supplied for most UNIX and Linux-based operating systems.

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How to Install Wildfly on CentOS 8

Posted on May 1, 2020 by Dean Conally
Category: Tutorials | Tags: Application development, Application Server, CentOS, CentOS 8, Firewall, Java, Java Development Kit, Java Platform, Java SDK, Java SE, JBoss AS, Open Java Development Kit, OpenJDK, Provision, Provisioning, Runtime, Software Development, Software Management, WildFly

Reading Time: 4 minutes

What is Wildfly?

WildFly is a Java runtime application server and software management platform implemented in Java. It is primarily used to provision Java applications and services on a Java-based platform. It is currently developed by Red Hat as open-source software (apart from the community forums) and was better-known as JBoss AS previously. While the WildFly software remains open-source, paid support can be purchased from RedHat if needed. RedHat continues to implement a separate version of this software under the JBoss EAP name.

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Using Nmap: Pro Tips and Tricks

Posted on April 28, 2020 by Dean Conally | Updated: May 15, 2020
Category: Tutorials | Tags: .Nmap, ACK, CentOS, CentOS 7, DHCP, DNS, Filter, Fin, GNmap, Handshake, IP Range, Localhost, NDiff, Network, Network Scan, Network Security, NMAP, Open Source, Ping Scan, Port Scan, Port State, PSH, RDNS, SCTP, SMTP, SQL, SQL Scan, Stream Control Transmission Protocol, SYN, TCP, UDP, URG, XMas Scan

Reading Time: 12 minutes

Introduction

In this article, we will review the Nmap software program and multiple commands. Nmap is an open-source mainstream tool used by network administrators to scan ports and map networks. Nmap commands are primarily used to identify which ports certain software is running on our system. It is also used to discover available hosts and what services they are offering and detecting potential security risks. Using Nmap, you can check a single host or a complete network. In this tutorial, we will cover several basic as well as advanced Nmap commands in the “Pro Tips and Tricks” section of the article.

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How To Change the SNMP Port on CentOS

Posted on April 21, 2020 by Justin Palmer | Updated: April 22, 2020
Category: Technical Support | Tags: CentOS, CentOS 6, Command-line, Monitoring, Network, Network Utility, Networking, Port, Security, Simple Network Management Protocol, snmp, SNMPv2c

Reading Time: 2 minutes

Introduction

SNMP, or Simple Network Management Protocol, is widely used to communicate with and monitor network devices, servers, and more, all via IP. In the previous article, we installed an SNMP agent on a CentOS 6.5 server. This agent allows for the collection of data from our server and makes the information available to a remote SNMP manager. To add a little security, we’ll now change the port that SNMP listens on.

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How To Install Grafana on CentOS 8

Posted on April 20, 2020 by Leo Porter | Updated: April 22, 2020
Category: Tutorials | Tags: CentOS, CentOS 8, Charts, DNF, Grafana, graphs, Monitoring, Open Source, Plugins, Vim

Reading Time: 5 minutes

What is Grafana?

This article is a step-by-step guide on how to install Grafana software on CentOS 8 server. Grafana is a popular open-source visualization and analytics monitoring software. It renders graphs, charts, and alerts when connected to supported data sources. It is commonly used with time series databases like Prometheus, SQL databases like MySQL logging, and document databases like Loki, etc. You can additionally install hundreds of plugins and dashboards from the official library.

How To Install PyCharm on CentOS 7 and 8

Posted on April 15, 2020 by Ellen Sletton
Category: Tutorials | Tags: CentOS, CentOS 7, CentOS 8, Code Analysis, Cross Platform, Debugging, Development, Framework, GitHub, IDE, Integrated Development Environment, Language, Programming, Project, PyCharm, PyCharm Toolbox, Python, Python 3, Terminal, Unit Testing

Reading Time: 3 minutes

What is PyCharm?

PyCharm is an IDE (or Integrated Development Environment) for the Python programming language. It is a cross-platform development environment that is compatible with Windows, macOS, and Linux. It provides a tool that integrates code analysis, graphical debugging, unit testing, and also contains an integrated terminal that supports development on remote hosts and virtual machines.

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Liquid Web | Knowledge Base

Tag: CentOS

How to Install PHP Extensions on CentOS 8

How to Install NVM for Node.js on CentOS 8

Create a MySQL User on Linux via Command Line

Pre-Flight Check

How to Install Wildfly on CentOS 8

What is Wildfly?

Using Nmap: Pro Tips and Tricks

Introduction

How To Change the SNMP Port on CentOS

Introduction

How To Install Grafana on CentOS 8

What is Grafana?

How To Install PyCharm on CentOS 7 and 8

What is PyCharm?

Search our Knowledge Base

What is Containerization?

Pre-Flight Check

What Is Sudo?

What is Wildfly?

Introduction

Introduction

What is Grafana?

What is PyCharm?

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