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Users of VirtualBox can load multiple guest OSes under a single host operating-system (host OS). Each guest can be started, paused and stopped independently within its own virtual machine (VM). The user can independently configure each VM and run it under a choice of software-based virtualization or hardware assisted virtualization if the ...
Others: Dynamic Host Configuration Protocol (DHCP) client, Secure Shell (SSH) and secure copy protocol (SCP) client and server; Point-to-Point Protocol (PPP), Point-to-Point Protocol over Ethernet (PPPoE), Asymmetric Digital Subscriber Line (ADSL) support; FUSE, Network File System (NFS), SSH Filesystem support; UnionFS; generic and Ghostscript ...
The SSH client and key agent are enabled and available by default, and the SSH server is an optional Feature-on-Demand. [21] In October 2019 protection for private keys at rest in RAM against speculation and memory side-channel attacks were added in OpenSSH 8.1. [22]
There is also a VirtualBox Remote Display Protocol (VRDP) used in the VirtualBox virtual machine implementation by Oracle. [43] This protocol is compatible with all RDP clients, such as that provided with Windows but, unlike the original RDP, can be configured to accept unencrypted and password unprotected connections, which may be useful in ...
In Linux, if the script was executed by a regular user, the shell would attempt to execute the command rm -rf / as a regular user, and the command would fail. However, if the script was executed by the root user, then the command would likely succeed and the filesystem would be erased.
A kernel may also go into panic() if it is unable to locate a root file system. [10] During the final stages of kernel userspace initialization, a panic is typically triggered if the spawning of init fails. A panic might also be triggered if the init process terminates, as the system would then be unusable. [11]
Proxmox VE is an open-source server virtualization platform to manage two virtualization technologies: Kernel-based Virtual Machine (KVM) for virtual machines and LXC for containers - with a single web-based interface. [11]
The term user space (or userland) refers to all code that runs outside the operating system's kernel. [2] User space usually refers to the various programs and libraries that the operating system uses to interact with the kernel: software that performs input/output, manipulates file system objects, application software, etc.