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zBrain
Apprentice
Joined: 14 Apr 2006
Posts: 199
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 Posted: Sun Aug 18, 2024 1:20 am Post subject: Profile 23 update |
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I am very nervous about how to do this properly in my circumstance.
I have a number of Gentoo servers (VMs) I maintain by compiling binaries on one and then installing those on the other machines.
It seems impossible to do all these steps safely and not end up with a broken install somewhere along the way.
Any advice?. |
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freke
Veteran
Joined: 23 Jan 2003
Posts: 1026
Location: Somewhere in Denmark
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| Posted: Sun Aug 18, 2024 7:11 am Post subject: |
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Worked fine for my VMs following the steps in the newsitem; did my binhost first.
Just make sure you chose the correct profile (split-/merged-usr).
I would make sure @world is updated before starting profile-migration. |
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szatox
Advocate
Joined: 27 Aug 2013
Posts: 3408
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| Posted: Sun Aug 18, 2024 10:03 am Post subject: |
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| Quote: | | I have a number of [...] servers (VMs) |
I used to do potentially risky stuff in this scenario after taking a snapshot of a VM. Pretty much any type of virtualization should offer you _some_ way to do a quick and easy rollback.
Also, virtual machines tend to make convenient testing environment, since oftentimes it's possible to clone a production server to an isolated network and do a test run against a prod data and config.
This more laborious approach was useful when whatever we were doing was likely to result in an extended outage, or if the outcome was uncertain.
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pjp
Administrator
Joined: 16 Apr 2002
Posts: 20476
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| Posted: Sun Aug 18, 2024 6:39 pm Post subject: |
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I'd clone a VM and work on the clone while leaving the original available for use.
Failure? Delete it and create another clone.
(Or revert to a snapshot.)
Success? Decommission the original as the clone can replace it.
(May require minor adjustments, such as IP, hostname.)
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