Warren Samples wrote:

On 07/29/2018 07:56 PM, Richard Gaskin via use-livecode wrote:

First question (an admittedly ignorant one, but I haven't spent much time in the CentOS community): Why does their package manager not automatically keep system components current?

Second question: If the first question cannot be resolved easily, what is the advantage of CentOS for this project over Ubuntu or Debian?


The explanation that addresses your first question can be expressed in a very long-winded manner but also boiled down to this: It's RHEL's approach to enforcing stability. They and their clients are interested in a system that gives them no bad surprises. This takes into account the fact that many of those clients are using complicated proprietary software for critical tasks; commercial software and/or software developed in-house, which is expected to be fail-proof. There's is an obviously ultra-conservative approach, but you can't deny they've been successful at what they do :D CentOS naturally inherits the result of this philosophy.

Ubuntu's LTS (Long Term Support) releases serve the same goal, with similar methods: patches are allowed, security patches can be automated, but new features are held back until the next LTS release.

It's a tough call, though, with supplemental packages getting long in the tooth. In addition to the potential vulnerabilities, older packages can introduce their own compatibility issues, as we've seen here.

I tend to stick with only LTS releases myself, so I appreciate the goals with such things.

But unless one is managing a legacy system with known dependencies on older packages, using a more recent version would seem a good fit, esp. for non-experts, as it establishes a fresh baseline using the latest and greatest.

I guess the missing piece of the puzzle here is why his VPS service doesn't offer CentOS 7. But as you say:

Of course the market is open and it's relatively easy to switch hosts. There are several distros that would qualify as reliable enough for server usage including a few that aren't as widely available as the more popular ones. Debian and Ubuntu are totally valid along with CentOS and those are probably the most widely available in hosting packages
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 ambassa...@fourthworld.com                http://www.FourthWorld.com

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