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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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CentOS 6.3 - Best backup / restore solution? (lemmy.world)

submitted 6 months ago by StaySquared@lemmy.world to c/linux@lemmy.ml

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Hello everyone!

My manager just brought to my attention that this organization has a CentOS 6.3 server - he didn't specify what it's hosting just yet but asked that I find a solution to do a full backup so that we may restore later onto bare metal with the option to migrate from CentOS to another Linux distro.

Has anyone had experience with backing up / restoring CentOS 6? And if you know what would be the best Linux distro to replace CentOS 6? Or even a step by step guide for both or either one?

Please and thanks in advance!

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[–] exu@feditown.com 5 points 6 months ago (6 children)

Without knowing what was being hosted, the only surefire way would be pulling a complete disk image with cat or dd.

If you wanted to stay on a similar system, RHEL 9 would be a good option or one of its "as similar as possible" like AlmaLinux.

Other common distros for servers are Debian, Ubuntu server and Suse SLES/OpenSuse Leap.

[–] SpaceCadet@feddit.nl 2 points 6 months ago (2 children)

Without knowing what was being hosted, the only surefire way would be pulling a complete disk image with cat or dd.

That's not surefire, unless you're doing it offline. If the data is in motion (like a database that's being updated), you will end up with an inconsistent or corrupt backup.

Surefire in that case would be something like an lvm snapshot.

If you wanted to stay on a similar system, RHEL 9 would be a good option or one of its “as similar as possible” like AlmaLinux.

No love for Rocky?

Also Oracle Linux is still free, and fully compatible with RHEL.

[–] LeFantome@programming.dev 1 points 6 months ago (1 children)

No love here for Rocky or Oracle for that matter.

Alma is looking better and better all the time ( or RHEL if you can afford it ).

[–] SpaceCadet@feddit.nl 1 points 6 months ago* (last edited 6 months ago)

What has Rocky done?

Also, I 100% understand not liking Oracle as a company, but anyone can use OEL freely without ever having to deal with Oracle the company, and it's a damn good RHEL substitute.

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