Development Team Releases CentOS Atomic Host 7.5

Atomic SIG team members from CentOS announced a new version of their operating system that’s sure to be an attractive option for those who want to run containerized applications in a secure cloud-native environment. The new CentOS Atomic Host version 7.5 (7.1805) features install media for a wide variety of architectures, though it should work inside of a virtual machine just fine due to the inclusion of some prebuilt images.

In addition to i386 and x86_64 chipsets, users of machines based around any of the following CPUs can find a native build for their platform:

• ARM64

• 64-bit PowerPC

• 64-bit Little Endian PowerPC

• ARM-hfp

Since a majority of highly visible GNU/Linux distros focus on x86 and x86_64 technology, CentOS Atomic has become one of the major players when it comes to other types of machines deployed as cloud servers.

Several new core components designed to work with Docker come packaged with CentOS Atomic Host 7.5. While the system is powered by a version of the Linux kernel that might superficially look like it isn’t current, it’s because this version of the kernel is based on extremely stable code. It still features all of the important Linux security updates that container operators would need.

Any existing users who have already deployed the original version of CentOS Atomic Host 7 can upgrade to this newer release with a few keystrokes in a terminal emulator. Those who are working from installations without a GUI can do so in the virtual console.

Installable ISO images are available for deployment on bare metal. Developers have made images for VirtualBox as well as a libvirt-formatted Vagrant box that users of that hardware virtualization platform may prefer to use.

System administrators who are working with pure cloud environments can instead fetch QCOW2 and Amazon Machine images, which will let them take advantage of all relevant security and performance updates.

In any case, CentOS Atomic can be deployed extremely quickly to any of these types of VM environment because loading these images is far faster than configuring a bare metal installation. All of these images can easily be reproduced as well so people can run multiple instances next to each other.

John Rendace
John is a GNU/Linux expert with a hobbyist's background in C/C++, Web development, storage and file system technologies. In his free time, he maintains custom and vintage PC hardware. He's been compiling his own software from source since the DOS days and still prefers using the command line all these years later.

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Development Team Releases CentOS Atomic Host 7.5

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