Red Hat Enterprise Linux 8
Amazon Web Services | 8.9 v20240327Linux/Unix, Red Hat Enterprise Linux 8.0_HVM_GA - 64-bit Amazon Machine Image (AMI)
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The professional Linux
What do you like best about the product?
Support! If you need to create a huge solution never skip a good support. I am not saying that other distro you won't have support. Sure you will find solutions to solve problems, however when you have millions of users affected is better to find a solution really really fast. And RedHat will help on that... for a price.
What do you dislike about the product?
To be honest I prefere to use Debian on my laptop just because I love Debian way and RedHat is a bit different and for me seams to have some files in a wrong place. Of course that people that prefere RedHat maybe will say the same if compare with Debian. Is like discus sports or religion, you should avoid doing that :)
What problems is the product solving and how is that benefiting you?
Millions of PayTV and telecom boxes connecting on our servers.
Recommendations to others considering the product:
Any Linux is good, however if your business is doing well you need to think if you want to contract outstanding linux professional (in house solution) or pay for outstanding linux support (RedHat).
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Solid education and coding OS
What do you like best about the product?
Fast, reliable Linux distro. Great coding environment. Solid pre-installed application base.
What do you dislike about the product?
The UI is a bit garish and dated. Some default apps are not ideal.
What problems is the product solving and how is that benefiting you?
Used primarily for compiling code in educational environment. CAEN systems run this!
KVM the FLOSS virtualisation solution
What do you like best about the product?
Kvm is supporting Intel's VMX hardware virtualization which is optimal on intel powered system, I assume it's the same with other ventors isnt AMD providing vt instuctions set too ?
What do you dislike about the product?
It can be confusing to have several incompatible virtualisations system on the same host , which is not possible but afaik there is no abstraction service to switch from one system to an other.
Setting up network interfaces can be confusion, and supporting accelerated GPU is not fully supported, so it can be inappropriate to test opengl application, that said vmware with mesa gallium driver can be an alternative to consider.
Setting up network interfaces can be confusion, and supporting accelerated GPU is not fully supported, so it can be inappropriate to test opengl application, that said vmware with mesa gallium driver can be an alternative to consider.
What problems is the product solving and how is that benefiting you?
I used kvm to test some distros like Tizen:Common which are using the same architectures.
Recommendations to others considering the product:
you can also look for libvirt and virtman which is providing a nice user interface if you're not confortable with command lines or man pages. Something also useful is to disable the GUI windows and use ncurses mode to use the guest machine on host's terminal. Last but not least even if kvm is a good product maybe there are other way to address isolations needs, for instance containers can also be considered, check also for CGroups, LXC, docker, rocket ...
My experience with KVM
What do you like best about the product?
Combined with LibVirt, KVM is one of the easiest and free hypervisors. Windows, Linux or UNIX operating systems runs without any problem. Windows drivers are provided compiled online from RedHat.
What do you dislike about the product?
It's hard for setup if it's used without Libvirt or a similar tool.
What problems is the product solving and how is that benefiting you?
Our infrastructure is based on KVM and Linux Containers. We had a lot of VMWare legacy but it was converted to Ubuntu and KVM hypervisor for about a year. Management and backup is a lot easier with with Ubuntu and KVM. Especially combined with ZFS and snapshotting.
Recommendations to others considering the product:
Use it with LibVirt or integrated system like ProxMox. ZFS for the file storage is a big advantage! Also, it can be used with storage clusters lice Ceph for a bigger environments. OpenStack, the industry standart for compute clouds is mostly compatible with KVM.
Maybe the best free Virtualization System
What do you like best about the product?
The first fact that I like a lot about KVM is that it is a free and open source software, and it does not lack any of the features that other propertiary competitors provide .
Additionally it's easy to grasp and configure .
Finally , it's performance and reliability are very good ( comparable or even better that any of the alternatives ) .
Additionally it's easy to grasp and configure .
Finally , it's performance and reliability are very good ( comparable or even better that any of the alternatives ) .
What do you dislike about the product?
One downside that I can think of is that it lacks availability for other processor architectures ( with ARM and RISK being the most important ) . This feature might also be very useful in the embedded system community .
Other than that I am very satisfied with this product .
Other than that I am very satisfied with this product .
What problems is the product solving and how is that benefiting you?
Using KVM for running different virtual machines that provide different services in the Intranet without the need of many different physical servers .
Also using KVM for deploying virtual machines for testing new features .
Also using KVM for deploying virtual machines for testing new features .
Recommendations to others considering the product:
If you need a full virtualization solution go with it ! It surpasses all the alternatives that I am aware of .
It wil not take long to learn how the configuration works so you will get the benefits pretty fast .
It wil not take long to learn how the configuration works so you will get the benefits pretty fast .
Best solution for automating application and ETL batch jobs
What do you like best about the product?
All functionality and features available. Easy to install, upgrade and maintain open source applications.
What do you dislike about the product?
upgrading the OS between major versions.
What problems is the product solving and how is that benefiting you?
all our ETL and application programming is run on this server.
Recommendations to others considering the product:
easy to implement all solutions and schedule batch jobs using shell scripts.
Virtualization of a testing environment for IPv6 network testing
What do you like best about the product?
I like the fact that KVM is Open Source software and thus compatible with a lot of applications that can be easily run in a Linux server with a very low cost.
I also find KVM lighter than other solutions in terms of hardware requirements.
I also find KVM lighter than other solutions in terms of hardware requirements.
What do you dislike about the product?
KVM is not available for all the processors. Also the process of setting up a network is not as easy as with other solutions.
I did run into some implementation bugs but they were fixed in newer versions.
I did run into some implementation bugs but they were fixed in newer versions.
What problems is the product solving and how is that benefiting you?
I used KVM to test IPv6 integration in a testing network environment. The aim was to learn the differences from a sysadmin point of view of administrating an IPv6 network to IPv4 networks.
The Stable Linux Server
What do you like best about the product?
I am using linux for more than ten years now, I worked as a Linux Jedi for 5 6 years, RedHat was one of the most stable with lots of support I worked with. RedHat 7 has lots of new feature that I like, changing its directory server was one of the interesting changes.
What do you dislike about the product?
It's price actually, some changes in new version need more memory and are not suitable for the some old machines
What problems is the product solving and how is that benefiting you?
I am using Redhat for deploy lots of different kind of problems, I deployed a directory server for more than 100,000 users using 389-ds, I used it as infrastructure for cloud processing for more than 50 servers and I also used it for different web services, I also recently I deployed a cluster computing facility with lots of automation which I think is a beautiful work with help of RedHat.
Recommendations to others considering the product:
Where I worked for four where we have lots of computers in windows and linux, I loved to have a central administration tool if it was possible. Samba4 cannot handle lots of users and computers
Incredibly satisfying
What do you like best about the product?
Besides it being a gnu/linux distribution, RedHat constantly provides stable and polished releases. They are keen on providing fast support and bug fixes. And of course the community behind RedHat is one of the best.
What do you dislike about the product?
The RPM could be a bit better, it is quite a challenge when switching from APT or OpenSUSE. At least for me a cheat sheet is required. But this would be more of a note to all RedHat distributions.
What problems is the product solving and how is that benefiting you?
All of our web apps are deployed on a RedHat linux distro, either CentOS or RHEL.
It was never a question of an operating system, Windows or GNU/Linux, it is pretty self-explanatory. It is imperative to have a rock-solid operating system running all of your business, be it websites, data bases or internal mail servers, administration panels . With an enterprise solution you no longer need freelancers or to search through countless forums to find a fix for your problem.
It was never a question of an operating system, Windows or GNU/Linux, it is pretty self-explanatory. It is imperative to have a rock-solid operating system running all of your business, be it websites, data bases or internal mail servers, administration panels . With an enterprise solution you no longer need freelancers or to search through countless forums to find a fix for your problem.
Recommendations to others considering the product:
The support is great, it is indeed a great choice for a Linux distribution if you are in need of support and a balance of updates/stability. It will definitely take you some time to get used to it, especially if you're switching from a Debian distribution. You might want to consider hiring a RedHat Enterprise certified tech specialist just to be on the safe side of things, especially if this is in concern to your app or business security or data privacy.
Open source Kernel Level Visualization.
What do you like best about the product?
Free.
Easy to use and quick to configure.
Does everything most companies will need in terms of Visualization.
Easy to use and quick to configure.
Does everything most companies will need in terms of Visualization.
What do you dislike about the product?
Lack of "Over selling" - Unlike container based visualization RAM can not be oversold.
Has a small overhead, uses much more resources than container based visualization.
Although these are downsides of Full Visualization and not KVM its self.
Has a small overhead, uses much more resources than container based visualization.
Although these are downsides of Full Visualization and not KVM its self.
What problems is the product solving and how is that benefiting you?
We currently run 5 KVM VM's avoiding the need for 5 physical servers.
We also use KVM to separate our web server from development platforms.
In the past I managed a VPS server that had over 200 KVM VM's on it. The only issue we had was when we accidentally over allocated resources.
We also use KVM to separate our web server from development platforms.
In the past I managed a VPS server that had over 200 KVM VM's on it. The only issue we had was when we accidentally over allocated resources.
Recommendations to others considering the product:
Fantastic product. As good as the costly alternatives.
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