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Photon OS is a minimalist container host from the US company VMware. Although the operating system is optimized for the company’s platforms, it basically also works in other environments. The distribution is lean and secure but is mainly aimed at experienced users.
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Photon OS is a Linux server distribution developed and published by VMware. The main use of the operating system is container deployment. While Photon OS is optimized for VMware platforms, it also runs in several other environments. The system was first introduced back in 2015, and since then VMware has developed versions that have been improved upon, especially in terms of security and management. The minimalistic Linux distribution itself is lean and comes with Docker preinstalled. In addition to ARM64 and x64, Raspberry Pi is also supported. Photon OS is open source and uses the Apache License 2.0.
Photon OS is designed for the use of containers and is used by all VMware environments. The operating system is very lean and minimalistic, but also meets high demands in terms of speed, security, and functionality. This makes it the ideal Linux distribution for experienced users working in the areas of microservices, containers, and virtualization. In data centers in particular, Photon OS provides excellent services.
Images of Photon OS are currently available for VMware vSphere, VMware Workstation Pro, VMware Fusion, Microsoft Azure, Google Compute Engine, and Amazon Elastic Compute Cloud and in two versions. The minimum version only requires 512 MB of memory. A minimum of 2 GB of RAM is recommended for this. For the full version, 8 GB of memory is estimated for Fusion and Workstation. vSphere requires twice that.
Photon OS is equipped with the Docker daemon and contains a lifecycle management system called tdnf, which is YUM-compatible and package-based. In addition, there is a kernel that is optimized by VMware according to the guidelines of the Kernel Self Protection Project (KSPP). Since the Photon OS 4.0 version, there is support for OpenSSL 3.0, the pmd-nextgen management tool for working with clouds and mobile applications, as well as the most important packages for Linux Kernel, Glibc, Systemd, Python3, Openjdk, and Cloud-init. All common container formats can be processed with Photon OS. Container-based applications can be migrated with the system from development to production.
Photon OS is specialized, and accordingly it is only really intended for particular purposes. For this reason, it is worth taking a closer look at the pros and cons to check if the operating system is the right one for you.
While Photon OS only runs in virtual environments, there are lots of alternative Linux distributions for other purposes. These include the two well-known operating systems Ubuntu and Debian, or the derivative Linux Mint. For extensive security checks and ethical hacking Kali Linux has proven itself. If you are comfortable using Linux commands, you will get a minimalistic and therefore extremely flexible operating system with Arch Linux. For users who have got used to CentOS, AlmaLinux and Rocky Linux may be welcome successors.
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