CentOS Linux vs. Oracle Solaris

I have been a CentOS user for over 10 years and remain loyal to the core OS. When it comes to stability and speed, there's no other OS I'd recommend over it. I base this recommendation on my personal experience, as I have multiple development and production servers running the CentOS software today. It's running on newer and older hardware with ease, and the price is right!

Incentivized

For running Oracle databases, Solaris can't be beat. Leveraging Zones allows for virtualization out of the box. In addition, using zones with clustering can make migrating from Solaris 10 to 11 very easy. Finally, in an enterprise environment that requires 24/7 up-time and meeting SLA's, Solaris is a viable and robust choice.

Incentivized

• First of all, CentOS is one of the most secure and stable OSes straits from the box.
• High performance on the average hardware.
• In most of my scenarios—easy and quick deployment.
• Huge KB community that helps to build and support different services on CentOS.
• Versions lifecycle.

Incentivized

• Live update for patching in conjunction with the package management functions. This ability to rollback is very convenient.
• dTrace
• Built in compliance testing.

Incentivized

• It's not as intuitive as it could be
• Some packages can be quite old compared with other distributions
• Breaking changes appear often when packages are obsoleted usually with no supported transition path (this is a general *NIX problem, but it's more accentuated in CentOS)

Incentivized

• Takes time to learn.
• Integration into Microsoft's Active Directory.

You need to take the time to learn it. It is a massive product.

Again, written documentation is excellent, even on the older versions. The support community is the best. It is comprehensive and I would say that it global because it transcends national boundaries. Also, you find all types of people using CentOS to do all sorts of things so you are bound to find someone to talk to if there are problems.

Incentivized

The support teams are well trained and responsive. Patches are rolled out regularly and are easy to deploy and backout.

Stress testing and timing is key. You need test systems that mirror the live environments. User testing must be reflected in peak loads.

Ubuntu Linux is another candidate that we've evaluated. It stacks up well against CentOS Linux, however it does have some quirks we need to deal with such as package management and stability. For the most part, the server version of Ubuntu is stable, but we stick with CentOS Linux because it seems to have a slight edge over Ubuntu in that realm as well. I have colleagues at other firms that are wholesale Ubuntu server infrastructure, and they are very happy with it and Ubuntu is favorable there. With the changes that have occurred or may still yet occur at CentOS Linux, we may go down the path towards Ubuntu. But for now, CentOS Linux is where we are parked and will remain for the foreseeable future.

Incentivized

Oracle Solaris is Scalable, have a good patching capability and secure by default. You want to have something that's up and running and stable, something that's not going to crash. But if we do have an issue, we can get somebody for technical support who can help us work through the problems.

Incentivized

• Since CentOS is free, our developers and engineers can use it without regard for dipping into project budgets.
• We can spin up a CentOS VM, use it and then destroy it without having to worry about licensing headaches.
• CentOS can run on just about any hardware platform: server, laptop, old hardware, etc. so that makes it less expensive in that we don't have to buy specialized hardware for it.

Incentivized

• Possibility to migrate old servers protecting previous inversions
• reduces implementation times and accelerates time to obtain value in the market.

Incentivized