NetBSD 9.3 / NetBSD 8.2 – Unix-like OS

Unix-like operating system

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NetBSD 9 is a free, quick, safe, and extremely portable Unix-like Open Source operating system. It is available for a variety of platforms, from large-scale servers and highly effective desktop systems to handheld and embedded devices.

Its clear design and advanced features make it wonderful for use in each manufacturing and analysis environment, and the source code is freely available under a business-friendly license.

NetBSD 9 is developed and supported by a big and vivid worldwide group. Many applications are readily available by pkgsrc, the NetBSD Packages Collection.

NetBSD ships with an in-kernel packet filtering engine, allowing filtering of site visitors based mostly on interface, protocol, port, tos, TTL, source, destination, and plenty of other components. Keeping this contained in the kernel permits higher performance.

The NetBSD Project’s targets

A mission has no point if it doesn’t have targets. Thankfully, the NetBSD Project has sufficient targets to keep it busy for fairly a while. Generally talking, the NetBSD Project:

  • Provides a nicely designed, stable, and quick BSD system,
  • Avoids encumbering licenses,
  • Provides a portable system, which runs on many hardware platforms,
  • Interoperates nicely with other systems,
  • Conforms to open systems requirements as a lot as is sensible.

In summary: The NetBSD Project provides a freely available and redistributable system that professionals, hobbyists, and researchers can use no matter what method they need.

NetBSD is designed to make the most of the most recent high-end hardware available in Alpha, PowerPC, and PC systems, while nonetheless retaining support for older architectures. This is all performed from the same source tree and is only possible as a result of the emphasis on the proper design and clear code. It additionally makes NetBSD an excellent codebase to port to new machines and embedded platforms, akin to MIPS, ARM, and Super-H-based handheld Windows CE devices.

NetBSD Main features:

Several security features are available in NetBSD, including IPsec – for each IPv4 and IPv6. Also, there are: a file integrity system (Veriexec), a kernel authorization framework (kauth), exploit mitigation features (PaX), disk encryption (CGD), and a wide range of other inner kernel bugs detection features similar to KMEM_REDZONE and KMEM_SIZE.

Other traditional safe network services are available, similar to SSH (OpenSSH) and Kerberos 5 (Heimdal). All services default to their most safe settings, and no services are enabled by default for new installations.

NetBSD was the primary free OS to provide a modern standard-conforming IPv6 implementation. And it continues to work with the KAME undertaking to track modifications to the specification. It was additionally the primary free operating system to ship with NFS by way of IPv6, for each client and server component.

NetBSD provides full in-kernel NFS client and server support, interoperable with other systems, for each NFS2 and NFS3 protocol. This includes support for swapping over NFS and no arbitrary limits on the size of swap partitions. Client-side file creation is accurately applied as an atomic operation – on systems without this dot locking will not be dependable.

NetBSD contains a wide range of other free applications, together with 4.4BSD Lite2 from the University of California, Berkeley. Supports the following network types: ARCnet, ATM, Ethernet, FDDI, HIPPI, PPP – pppd(8), SLIP – slip(8), and Token Ring.

It additionally supports the following network protocols: Appletalk – atalk(4), ISO – iso(4), TCP/IP (IPv4) – IP(4), TCP/IP (IPv6) – ip6(4).

Changes in NetBSD 9.3

Changes in NetBSD 8.2

  • x86: Mitigation for INTEL-SA-00233 (MDS)
  • Various local user kernel data leaks have been fixed.
  • x86: new rc.conf(5) setting smtoff to disable Simultaneous Multi-Threading
  • Various network driver fixes and enhancements.
  • Fixes for thread-local storage (TLS) in position-independent executables (PIE).
  • Fixes to reproducible builds.
  • Fixed a performance regression in tmpfs.
  • DRM/KMS enhancements.
  • bwfm(4) wireless driver for Broadcom FullMAC PCI and USB devices added.
  • Various sh(1) fixes.
  • mfii(4) SAS driver added.
  • dhcpcd(8) up to date to 7.2.2
  • httpd(8) up to date.

NetBSD supports many platforms, together with the popular i386 and amd64, ARM, SPARC, Alpha, Amiga, Atari, and m68k and PowerPC-based Apple Macintosh machines. Technical details for all of them might be found on the NetBSD website.

Platforms Supported by NetBSD

Hardware Devices Supported by NetBSD

Size: 467 MB

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