VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.
Some of the features of VirtualBox are:
- Modularity. VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design. This makes it easy to control it from several interfaces at once: for example, you can start a virtual machine in a typical virtual machine GUI and then control that machine from the command line, or possibly remotely. VirtualBox also comes with a full Software Development Kit: even though it is Open Source Software, you don't have to hack the source to write a new interface for VirtualBox.
- Virtual machine descriptions in XML. The configuration settings of virtual machines are stored entirely in XML and are independent of the local machines. Virtual machine definitions can therefore easily be ported to other computers.
VirtualBox 5.2.20 changelog:
- VMM: fixed task switches triggered by INTn instruction (bug #17979)
- Storage: fixed connecting to certain iSCSI targets (bug #17507)
- Storage: fixed handling of flush requests when configured to be ignored when the host I/O cache is used (bug #17573)
- Drag and drop: implemented support for UNC paths (bug #17146)
- Drag and drop: fixed resuming operation when restoring from a saved state (bug #17649)
- Drag and drop: fixed copying files with long file names (> 248 characters) from guests to Windows hosts (bug #17447)
- Drag and drop: fixed handling files with Unicode names on Windows guests (bug #15501)
- Drag and drop: fixed copying empty (0-byte) files to / from guests (bugs #14863 + #17443)
- Drag and drop: fixed copying over files from hosts to Linux guests (bug #16025)
- Networking: restore connectivity for guests bridged to host adapters that were unavailable temporarily (Windows hosts, bug #17090)
- Guest Control: fixed hang when using --wait-stdout and/or --wait-stderr (bug #17386). Needs updating Guest Additions
- Video recording: fixed starting video recording on VM power up (bug #17307)
- Linux Additions: various build fixes for kernel modules on recent distributions, and made sure modules end up in initramfs files
- Linux Additions: build fixes for 4.19, thank you Larry Finger
- Linux Additions: various small fixes for video driver
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