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Web Hosting Knowledge Base by Liquid Web

Knowledge Base


How to Install XCache on Fedora 21
Pre-Flight Check
  • These instructions are intended specifically for installing XCache, an open-source opcode cacher.
  • I’ll be working from a Liquid Web Self Managed Fedora 21 server with Apache and PHP installed, and I’ll be logged in as non-root user. If you need more information then visit our tutorial on How to Add a User and Grant Root Privileges on Fedora 21.

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How to Install XCache on Fedora 20
Pre-Flight Check
  • These instructions are intended specifically for installing XCache, an open-source opcode cacher.
  • I’ll be working from a Liquid Web Self Managed Fedora 20 server with Apache and PHP installed, and I’ll be logged in as non-root user. If you need more information then visit our tutorial on How to Add a User and Grant Root Privileges on Fedora 20.

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How to Install XCache on CentOS 7
Pre-Flight Check
  • These instructions are intended specifically for installing XCache, an open-source opcode cacher.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as non-root user. If you need more information then visit our tutorial on How to Add a User and Grant Root Privileges on CentOS 7.

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How to Install Node.js via NVM (Node Version Manager) on Fedora 21

Node.js is a cross-platform runtime environment, configurable on Linux, OS X, and Microsoft Windows, and built on JavaScript. Applications, both server-side and networking, are also written in JavaScript. Node.js lends itself nicely to quick deploying, real-time web applications, and is generally thought of as extremely scalable due to its event-driven architecture.

The Node Version Manager allows admins to easily manage node.js versions. It’s a bash script that has the capability to manage multiple active versions of node.js, with functionality such as: installation, executing commands with specific node.js versions, setting the PATH variable to use a specific node.js versions, etc.

Pre-Flight Check
  • These instructions are intended specifically for installing Node.js via NVM (Node Version Manager) on a single Fedora 21 node.
  • I’ll be working from a Liquid Web Self Managed Fedora 21 server, and I’ll be logged in as root.
  • If NVM is not already installed, then visit our tutorial on: How to Install NVM (Node Version Manager) for Node.js on Fedora 21

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How to Install Node.js via NVM (Node Version Manager) on Fedora 20

Node.js is a cross-platform runtime environment, configurable on Linux, OS X, and Microsoft Windows, and built on JavaScript. Applications, both server-side and networking, are also written in JavaScript. Node.js lends itself nicely to quick deploying, real-time web applications, and is generally thought of as extremely scalable due to its event-driven architecture.

The Node Version Manager allows admins to easily manage node.js versions. It’s a bash script that has the capability to manage multiple active versions of node.js, with functionality such as: installation, executing commands with specific node.js versions, setting the PATH variable to use a specific node.js versions, etc.

Pre-Flight Check
  • These instructions are intended specifically for installing Node.js via NVM (Node Version Manager) on a single Fedora 20 node.
  • I’ll be working from a Liquid Web Self Managed Fedora 20 server, and I’ll be logged in as root.
  • If NVM is not already installed, then visit our tutorial on: How to Install NVM (Node Version Manager) for Node.js on Fedora 20

(more…)




How to Reboot a Server via Manage

Rebooting a server in Manage has been made incredibly easy, and only takes a few clicks. Further simplifying the process, multiple servers can be rebooted at the same time!

Pre-Flight Check

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Information on CVE-2015-3456 QEMU Vulnerability (VENOM)
Overview

VENOM, or Virtualized Environment Neglected Operations Manipulation, was made public on May 13, 2015. The vulnerability is in QEMU, a generic and open source machine emulator and virtualizer that is utilized by Xen, KVM, and other modern hypervisors / virtualization platforms.

Impact

Specifically a flaw with how QEMU handles out-of-bounds memory access, exploitation can cause the entire hypervisor to crash and may allow an attacker to access other virtual machines outside of their own.

Summary
  • Made public on May 13, 2015
  • This flaw exploits QEMU, a generic and open source machine emulator.
  • Allows for an attacker to access other virtual machines outside of their own.
Resolution

A patch is available, and Liquid Web’s Heroic Support has proactively scheduled a reboot to patch all affected servers.

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How to Install Node.js via NVM (Node Version Manager) on CentOS 7

Node.js is a cross-platform runtime environment, configurable on Linux, OS X, and Microsoft Windows, and built on JavaScript. Applications, both server-side and networking, are also written in JavaScript. Node.js lends itself nicely to quick deploying, real-time web applications, and is generally thought of as extremely scalable due to its event-driven architecture.

The Node Version Manager allows admins to easily manage node.js versions. It’s a bash script that has the capability to manage multiple active versions of node.js, with functionality such as: installation, executing commands with specific node.js versions, setting the PATH variable to use a specific node.js versions, etc.

Pre-Flight Check
  • These instructions are intended specifically for installing Node.js via NVM (Node Version Manager) on a single CentOS 7 node.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.
  • If NVM is not already installed, then visit our tutorial on: How to Install NVM (Node Version Manager) for Node.js on CentOS 7

(more…)




An Introduction to Manage
Storm® Cloud Computing Platform 101: Basic Interface Interaction
I. How to Login to Manage
II. An Introduction to Manage

Manage is Liquid Web’s Account and Cloud Management Portal. From Manage it is possible to control your cloud servers and services, whether your deployment is one Storm® VPS (Virtual Private Server), or a combination of many Storm® Dedicated servers and other cloud services. Manage will help you administer your private network, VPN (Virtual Private Network), CDN (Content Delivery Network), firewalls, upgrades, and much more!

Pre-Flight Check
  • These instructions are intended specifically as an overview of Liquid Web’s Account and Cloud Management Portal, called Manage.

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How to Login to Manage
Storm® Cloud Computing Platform 101: Basic Interface Interaction
I. How to Login to Manage
II. An Introduction to Manage

Manage is Liquid Web’s Account and Cloud Management Portal. From Manage it is possible to control your cloud servers and services, whether your deployment is one Storm® VPS (Virtual Private Server), or a combination of many Storm® Dedicated servers and other cloud services. Manage will help you administer your private network, VPN (Virtual Private Network), CDN (Content Delivery Network), firewalls, upgrades, and much more!

Pre-Flight Check
  • These instructions are intended specifically for logging into Liquid Web’s Account and Cloud Management Portal, called Manage.

(more…)




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