How to Sync Two CentOS 8 Servers Using File Replication

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Introduction

All online businesses need to account for growth. As a business receives more visitors to its site, the underlying infrastructure needs to scale to provide the same level of performance that the visitors are accustomed to. Horizontal scaling, the addition of more servers rather than increasing the power of the existing servers, is an easy way to build our web servers’ ability to handle a more significant amount of traffic and protect us against hardware failure. Ensuring that the additional web servers have the same files and data is a potentially time-consuming and challenging task. Automating that task using free, open-source software, such as lsyncd, is a way to ensure that we have a safe, secure, and repeatable method of copying files from one server to another.

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How To Sync Two Apache Web Servers

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Load balancing and replicating multiple servers has a great array of benefits, though orchestrating and keeping them in sync can be very tricky. Here, we will walk through some of the load balancing options available, as well as setting up a very basic one-way replication sync between two or more servers behind a load balancer.

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How to Install lsyncd on Fedora 22

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check

  • These instructions are intended specifically for installing the lsyncd on Fedora 22.
  • I’ll be working from a Liquid Web Self Managed Fedora 22 server, and I’ll be logged in as root.

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How to Install lsyncd on Fedora 21

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check

  • These instructions are intended specifically for installing the lsyncd on Fedora 21.
  • I’ll be working from a Liquid Web Self Managed Fedora 21 server, and I’ll be logged in as root.

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How to Install lsyncd on Fedora 20

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check
  • These instructions are intended specifically for installing the lsyncd on Fedora 20.
  • I’ll be working from a Liquid Web Core Managed Fedora 20 server, and I’ll be logged in as root.

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How to Install lsyncd on CentOS 7

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check
  • These instructions are intended specifically for installing the lsyncd on CentOS 7.
  • I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.

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How to Install lsyncd on CentOS 6

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check
  • These instructions are intended specifically for installing the lsyncd on CentOS 6.
  • I’ll be working from a Liquid Web Core Managed CentOS 6 server, and I’ll be logged in as root.

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How to Install lsyncd on Ubuntu 12.04 LTS

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check
  • These instructions are intended specifically for installing the lsyncd on Ubuntu 12.04 LTS.
  • I’ll be working from a Liquid Web Core Managed Ubuntu 12.04 LTS server, and I’ll be logged in as root.

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How to Install lsyncd on Ubuntu 14.04 LTS

Reading Time: < 1 minutelsyncd is an rsync-based tool that monitors specified directories (including subdirectories) for updates and modifications, then syncs those changes to a specified destination.

Pre-Flight Check
  • These instructions are intended specifically for installing the lsyncd on Ubuntu 14.04 LTS.
  • I’ll be working from a Liquid Web Core Managed Ubuntu 14.04 LTS server, and I’ll be logged in as root.

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Using rsync To Synchronize Local/Remote Systems

Reading Time: 3 minutesRsync is a powerful tool that facilitates the transfer and synchronization of data between both local and remote systems.

File Synchronization 101: The Basics
I. Using rsync to Transfer and Synchronize Local and Remote Systems
II. How to Setup SSH Keys for Use with File Synchronization

 

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