Oracle Linux vs. Proxmox VE vs. Red Hat Enterprise Linux (RHEL)

Oracle Linux is a very good and useful combination of the stability of Rhel and support for Oracle Databases. Our organisation uses an application and a database combo that we offer to the client but after the inclusion of Oracle Linux into our infrastructure, the provision and the operation cost are reduced significantly. So I would recommend using Oracle Linux when you are using multiple on-premises DB servers and want to move to a more secure, organised, and fast operating system.

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We used Proxmox to implement private cloud services, for clusters
of a small number of servers, from 3 to 11 with and without high
availability. Allways with ZFS file systems, and we used to install the
root pool in SSDs mirrored and use other pools with RAID 10 in groups of
four, for the virtual machines and containers, for the backups and snapshots, we used magnetic disks with RAID 10, in groups of four. Do
not use an even number of servers because does not facilitates the
implementation of High Availability, because the corosync service must
have an odd number of servers to detect a failed server for the quorum
system. We used a variety of servers, from clone PCs with AMD Ryzen with 6 cores and 12 threads with 64 GB of RAM no ECC, to high end servers with 64 cores and 128 threads per cpu and 2 cpus per server, with AMD EPYC Rome or Milan, 2 terabytes of RAM ECC.

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There's a lot of things that can and can't be discussed. But as I mentioned earlier, cloud computing and on-prem, and very much like in the cloud, having a standard image ISO, deploying that, the configurations with Ansible or packages installed via Ansible, instead of just a Kickstart script, you have a set of scripts that run in a pipeline that deploy Red Hat. So I'd say the environments, every time I've used Red Hat Enterprise Linux as a computing solution has been, like I mentioned, reusable, scalable, positive. And I don't think I've ever found any situations where I wish I were using something other than Red Hat Enterprise Linux, because the support is not there for anything else as much as it is for Red Hat Enterprise Linux.

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• We use Oracle Linux distro for every customer. The OS is very easy and absolutely free to develop/host and update our customers' apps and data across the globe. I personally use it in my lab to practice and test some personal stuff
• We have Oracle Linux database, WebLogic, and e-business suite hosted on Oracle Linux. It is used across our whole organization in running critical applications. It is robust, easy to manage and administer, with rock-solid stability and very minimal server reboots or performance issues. I would highly recommend Oracle Linux over other operating systems.
• Oracle Linux is trusted in high-volume, transactional, mission-critical production IT environments.
• Oracle’s Linux support is relied upon for applications that require continuous or near-continuous availability
• Application performance in general was enhanced as a result of the migration to Oracle Linux from Red Hat Enterprise Linux.
• Oracle Linux-based VMs are used in our case for hosting a spark-based cluster for processing big data-based workloads. Those VMs have better security configurations and are patched. It has built-in installed packages which come in handy for a developer to start the development activity for the project.
• We are using Oracle Linux as our primary Linux distribution deployed for our customers, but also for testing purposes on multiple test and UAT environments. Currently, it is used mainly by our department. We aim to provide commercial technical support for customers for our products, and thanks to the Oracle Linux Support program which covers Oracle Linux, we are getting assistance if needed.
• I work across many different types of organizations. In some cases, Oracle Linux is being used for all database servers across the entire organization. In some cases, it is being selectively rolled out to replace legacy Unix systems. Plus in a few isolated cases, I've helped to replace Windows database servers with Oracle Linux. The common theme across all these different types of organizations is that they want the best Linux for running Oracle, which is pre-tuned and optimized as well as well supported by the database vendor. Oracle Linux wins hands down on these points.

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• BackUp System, provides extensive propiertes and verifications. An exclusive server for BackUp Administration (PBS)
• Hardware Customization. You can select several properties to adapt the hardware to your needs
• Easy administration. You will be able to manage the server with easily accessible tools such as the web console and usage statistics.
• Certificates Administration.

• Virtualization, like the operating system level task. I see this product is very good and it blends very well with the middleware components like all the JBoss and other things. And other than that, either you install it or a virtual machine or physical servers, it works seamlessly anywhere. And if you want to go further, like Red Hat OpenShift or those things also work very nice with it.

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• TigerVNC needs some fine tuning in Oracle Linux 8.4.
• AutoTuning of Kernal Parameters for Oracle Databases based on the available hardware resources.
• Embedded IPA Solutions to manage large number of Oracle Linux Systems.
• Simple commands for LUN management.
• Proactive SELinux policy violation message to administrator's mailbox.

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• The web UI does not work as well on mobile devices. It is useable, but a mobile optimised / responsive UI would be nice to have. There is a mobile app, so that may alleviate this issue, but I have not yet tried it.
• Support in the community forums could be better. There are paid support plans, but new users trying out the software will not have access to this. Answers to questions can sometimes be terse, and I can imagine this may put some people off.
• The wiki is a bit hit and miss with certain topics. I've often seen outdated or missing information, and the whole thing looks like it could do with some polish. I'd love to see it opened up for the community to add to.

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• Red Hat Enterprise Linux (RHEL) needs better built-in developer-centric tooling.
• The desktop experience is too barebones, which makes it less attractive for developer workstations.
• Red Hat Enterprise Linux (RHEL) needs to be integrated and available in GItHub Actions as a supported platform so code developed on GitHub can be tested and qualified there.

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Proxmox VE provides the most capable, yet stable virtualization platform in the market today. Licensing options are also competitive and cost-effective for support, and support is extremely fast and knowledgable of getting issues resolved as quickly and soundly as possible.

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We find RHEL to be a superior OS with stable operations and long life. It is also easier to use and fix then most other OS's.

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The interface is easy to use for most of it, but still lacks screens for some configurations. Also, a few of the screens are not as intuitive as they could be. This is specially true with disk and network configuration, where some graphic/visual representations of the configurations would be very useful

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It's pretty intuitive and easy to use. Everything is adjustable; everything is customizable through a set of yaml's and everything can be undone and re-done. Doing items such a modification and restarting the single app doesnt take down the whole operating system like one of the more popular GUI based operating systems. We can work on live production systems without breaking into a sweat.

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Proxmox VE's ha-cluster functionality is very much improved, though does have a not-very-often occurrence of failure. In a 2-node cluster of Proxmox VE, HA can fail causing an instance that is supposed to migrate between the two nodes stop and fail until manually recovered through the command-line tools provided. Other than this, the HA clustering capability of Proxmox VE has proven to be reliable in 3 or more clustered environments with much less chance of these failures to occur.

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Product support and regular patches.

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Proxmox VE's interfacing is always fast to load, both the Web interface and the command-line tool interfaces. Reporting is practically real time almost all the time, and you can see everything in mere seconds, easily able to identify if something is wrong or it everything is in tip-top shape as always desired

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As with any OS enhanced testing will need to be done prior to application integration.

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One of the most robust Linux distributions is Redhat, its forks have given rise to infinite business models and distributions that have defined the market. Oracle Linux, obviously developed by the tech giant Oracle, is constantly releasing a flexible and incredibly stable product while adding its own bunch of new features. Among the most notable is the "Unbreakable Enterprise Kernel" (UEK).

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They are fast, understanding, very intelligent, know their product very well, fast, responsive, and concise. Need I say more?

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Red Hat support has really come a long way in the last 10 years, The general support is great, and the specialized product support teams are extremely knowledgeable about their specific products. Response time is good and you never need to escalate.

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It worked, was easy and super fast to deploy, and provided everything we needed in a matter of minutes

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Don't be afraid of it, its easy to install and configure for the tasks needed.

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The Oracle Linux definitely comes on the top when it comes down to being easily available as its platform-independent. This is where the masses lie as we have moved to a hybrid work environment where keeping everyone on the same devices is no more required. Linux stands out as it allows the industry workers to implement BYOD in all environments. Software as a service is truly done by Linux. I don’t want to switch to other platforms anymore.

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Proxmox VE is cheaper than VMware, especially upscaling an HA architecture. Compared with other free or less expensive solutions, Proxmox VE is high compatible with more types of hardware solutions and more VM types. From my point of view, Proxmox VE has no competitor at the same price level, it offers the most complete and production-ready HA solution.

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Windows Server can take a long time to patch, waiting for the patch to install, then waiting to apply, after the OS is rebooted it can also take additional time to apply the update. Often times Windows Server patches can fail, leading to long troubleshooting times and application outages. Red Hat Enterprise Linux (RHEL) Patching is extremely quick, I've honestly not seen a Red Hat Enterprise Linux (RHEL) update fail to install in many years of Red Hat Enterprise Linux (RHEL) patching.

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Proxmox VE provides everything you need to quickly add new storage mediums, network and local, as well as networking interfaces, such as using Linux standard bridges and now Open-vSwitch bridges which can be even more scalable than before. Proxmox VE 4.0 dropped support for OpenVZ in favor of the more well supported and native LXC and made an upgrade path to it very simple.

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Operational ease of use backed by support

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• Oracle Linux provides technical advances that Solaris UNIX does not while saving millions of dollars.
• Oracle Linux supports automated patching and easy maintenance, allowing less downtime for users and developers.
• Oracle Linux is recommended for applications already on Oracle Database and using other Oracle products and software.
• Oracle Linux is a secure, stable, and high-performance operating system that allows hybrid or cloud platforms.

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• Due to the open source nature of Proxmox, we have no licensing costs while training our employees
• We've migrated 100% of our clients to Proxmox and have found improved uptime, and flexibility.
• In the 10 years of using Proxmox, we've yet to lose any data or not be notified of backup issues.

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• It has done wonders for my career because I come from a Linux background, HPUX, Solaris and AIX. So made this transition to Linux 20 years ago. So it has really put my career at the forefront of what we do in the company. We're still primarily a window shop, but with Red Hat and what they're doing with the Kubernetes integration with OpenShift, with the East Satellite Management, the Ansible stuff, all based on Red Hat. It's taken off at my company and we're very happy about it.

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