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The loss of critical data can prove devastating. Still, millions of professionals ignore backing up their data. While individual reasons vary, one of the most common explanations is that performing routine backups can be a real chore. If you use Linux, you already have access to extremely powerful tools for creating custom backup solutions. The solutions in this article can help you perform simple to more advanced and secure network backups using open source tools that are part of nearly every Linux distribution. Simple backups This article follows a step-by-step approach that is quite straightforward once you follow the basic steps. Let’s begin with a simple, yet powerful archive mechanism on our way to a more advanced distributed backup solution. Let’s examine a handy script called arc, which will allow us to create backup snapshots from a Linux shell prompt. The backup files on Server #1 and #2 will be securely transmitted to the offsite storage server, and the entire distributed backup process will occur on a regular basis without human intervention. We’ll use a set of standard tools that are part of the Open Secure Shell tool suite (OpenSSH), as well as the tape archiver (tar), and the cron task scheduling service. Advanced backups This simple backup example is useful; however, it still includes a manual backup process. The industry’s best practices recommend backing up often, onto multiple media, and to separate geographic locations. Automating machine access using ssh-agent The ssh-agent program acts like a gatekeeper, securely providing access to security keys as needed. Once ssh-agent is started, it sits in the background and makes itself available to other OpenSSH applications such as ssh and scp programs.
Tags : open source tools, using open source tools, linux shell, shell tool, program acts, network backups, handy script, routine backups, offsite storage, tape archiver, secure shell, scheduling service, security keys, storage server, linux distribution
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