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Red Hat Enterprise Linux (RHEL) On-Premises - Upgrades

Have you been involved in any Red Hat Enterprise Linux upgrades or migrations to Red Hat Enterprise Linux or to the cloud? If yes, was the upgrade/migration straightforward or complex? In what ways?

Mayowa ODODE - PeerSpot reviewer
Linux System Administrator at Amazon
We do updates, upgrades, and migrations on our Red Hat Enterprise Linux servers.
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reviewer2591346 - PeerSpot reviewer
IT Infrastructure Engineer at a manufacturing company with 11-50 employees
The upgrade from version seven to eight was done with Red Hat's assistance, as we manage hundreds of virtual machines.
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reviewer2704971 - PeerSpot reviewer
Sr. Manager of UNIX and Storage at a tech services company with 5,001-10,000 employees
We will be involved with some Red Hat Enterprise Linux upgrades or migrations to other cloud platforms. It's not straightforward in my opinion; we have to create an image from Red Hat Virtualization Manager and convert the image to a format that can be recognized by other platforms, such as Microsoft Azure. We have to convert the image and then import it to the Azure cloud. It's not easy, as it requires manual work. There's no tool available for this process.
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SD
Solutions Architect at a transportation company with 10,001+ employees
We've done upgrades on upgrades on upgrades over the years. We typically don't do cross-version migrations if we can avoid it. It's a lot cleaner to do migration from major revision to major revision.
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IE
Software Engineer at Dell Technologies
I have been involved in many Red Hat Enterprise Linux (RHEL) upgrades or migrations to on-premises, and it is straightforward.
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AR
Senior Infrastructure Systems Administrator at a healthcare company with 1,001-5,000 employees
I have migrated from RHEL 6 to RHEL 7 to RHEL 8 to RHEL 9, however, it's just been a manual install; while Red Hat has a tool to use for migrations, I've never used that and have just reloaded to the new version. The upgrade wasn't bad at all; it was actually a smooth upgrade.
I have migrated from RHEL 6 to RHEL 7 to RHEL 8 to RHEL 9, however, it's just been a manual install; while Red Hat has a tool to use for migrations, I've never used that and have just reloaded to the new version. The upgrade wasn't bad at all; it was actually a smooth upgrade.
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JL
System Administrator at a manufacturing company with 10,001+ employees
My upgrade or migration plans to stay current involve moving from RHEL 8 to RHEL 9, if not RHEL 10, as I know that RHEL 8 reached its end of support life a few years ago, so we do have some work to do while trying to stay on top of releases and upgrades.
The initial setup has been straightforward. We didn't have challenges. On top of that, you have the automation. It's getting easier. They continuously build in more tools and more automated processes so we can spin up the VMs easily. We have been involved in migrations - specifically, RHEL 7 and Linux. The lead process is relatively straightforward.
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CL
Team manager at Evertec
I have been involved in Red Hat Enterprise Linux (RHEL) upgrades and migrations. We upgraded from version seven to nine recently, first from seven to eight, then to nine.
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AV
Specialist Cloud and Infrastructure at LTI - Larsen & Toubro Infotech
We are in the process of migrating to Red Hat from various other operating systems such as AIX, IBM workloads, to Red Hat. The transition is straightforward. The documentation is great. It's accurate. If you have a Red Hat account, you have access to knowledge articles. We're on the cloud and on-prem.
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BB
Unix & Linux Administrator at a comms service provider with 5,001-10,000 employees
I have not been involved in any cloud migrations because that's handled by a separate team. Regarding upgrades, transitioning from version six to seven was more complex. We are currently in the process of upgrading much of our version seven base to versions eight and nine, which is progressing more smoothly.
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TH
Architect at KnowIT
I have been involved in upgrades or migrations of Red Hat Enterprise Linux (RHEL) for 20 years. The process of migration just works.
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Ahmed Shamil - PeerSpot reviewer
Solutions Architect at InfoTech Business Solutions
My upgrade or migration plans to stay current involve understanding the concept of OpenShift, which has not yet become very popular in Iraq.
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CP
Systems administrator at a retailer with 501-1,000 employees
I've been involved in Red Hat Enterprise Linux upgrades and migrations since Red Hat Enterprise Linux 5. We still maintain one Red Hat Enterprise Linux 5 server due to legacy applications. We have successfully removed all Red Hat Enterprise Linux 6 installations and currently maintain a large base of Red Hat Enterprise Linux 7 at our store locations, which we're migrating from. We've implemented both Red Hat Enterprise Linux 8 and Red Hat Enterprise Linux 9, completing the entire cycle. We've been through all the versions.
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BF
Staff Security Engineer at a tech vendor with 10,001+ employees
Red Hat Enterprise Linux (RHEL) scales with the growing needs of my company very effectively.
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RO
Server administrator at Northrop Grumman
I have been involved in migrations or upgrades of RHEL, and I just completed a leap upgrade from RHEL 7 to RHEL 8.
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reviewer2708229 - PeerSpot reviewer
Ansible Technical Lead at a computer software company with 1,001-5,000 employees
I have been involved in upgrades or migrations of Red Hat Enterprise Linux (RHEL), especially during the significant shift from RHEL 7 to 8, which included many upgrades and migrations.
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reviewer2708205 - PeerSpot reviewer
Systems engineer at a manufacturing company with 10,001+ employees
We were previously on Solaris before switching our in-house systems to Red Hat Enterprise Linux (RHEL) 7. We actually skipped RHEL 8 and are transitioning from RHEL 7 to RHEL 9. We are not yet on RHEL 10.
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MJ
IT Solutions Engineer I at a insurance company with 1,001-5,000 employees
I have been involved in the upgrade of Red Hat Enterprise Linux (RHEL) as we upgraded from 8 to 9 a couple years ago.
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DS
Devsecops Engineer at a tech vendor with 10,001+ employees
I have been involved with upgrading from Red Hat Enterprise Linux (RHEL) 8 to RHEL 9, and from RHEL 7 to RHEL 8 because RHEL 7 has been sunsetted. In these cases, we build net new rather than doing in-place upgrades. For upgrades, we use satellite to deploy, and AAP for our host provisioning and whatever we need to layer on top of the infrastructure.
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Anan Ff - PeerSpot reviewer
Senior System Engineer at Norwin Technologies
Using the framework, I can upgrade directly from 7.9 to 8.1. I have completed upgrades for approximately 2,000 servers using Leap.
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Antonio Martins - PeerSpot reviewer
EMEA Core Banking Operations Manager at a tech vendor with 10,001+ employees
A few years ago, we transitioned several machines from baremetal systems to the cloud, and the process was very smooth. One of the advantages of Red Hat Enterprise Linux (RHEL) is that it operates consistently across different platforms, meaning you don’t have to change your processes or tools when working with various environments.
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Srinivas Eswarapu - PeerSpot reviewer
Sr Solutions Architect at a tech vendor with 10,001+ employees
I have been involved in RHEL upgrades or migrations from many years ago, approximately 14 to 18 years back. Currently, everything is easier as upgrades and patches come as a package. Regarding built-in security features, maintaining compliance is handled at the architect's level during configuration setups. While the service provider handles access level security, configuration compliances need to be managed by the architect. The upgrade and migration process in AWS is straightforward - I can easily increase the number of processors through hot migration, which can be done while the system is running without requiring shutdown.
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reviewer2757666 - PeerSpot reviewer
IT at a financial services firm with 10,001+ employees
I have been involved in Red Hat Enterprise Linux (RHEL) upgrades or migrations, and due to our many internal dependencies, it takes time, however, we successfully completed it.
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