Q: How to Enable Shared Folder on Virtualbox for Linux Guest?
A: sudo adduser $USER vboxsf
Category: Cross-Platform
No Sound on Virtualbox Windows 7 guest, Solus Linux Host
Case: Windows 7 loads normally under VBox. Sound controls work, etc. Solus 4.2 loads as expected and sound controls work. Solus does not register VirtualBox in the Audio Volume -> Applications tab.
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Installing VirtualBox Guest Additions Makes Linux Guest Load With a Blank or Black Screen
Case: VirtualBox 6.1.16, host Solus Linux 4.1, guest Peppermint 10. After installing guest additions by inserting the iso into the guest and rebooting, the guest OS shows only a blank, black screen with cursor on top.
VirtualBox USB Not Working on Guest Under a Linux Host
Case: VirtualBox 6.1 pass-through not working for Ubuntu guest on a Linux (SolusOS) host. Issue not limited to version or guest OS.
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Can’t Login to NoMachine But Logins Are Correct, Error: “Authentication failed, please try again.”
Case: Can’t connect to NoMachine over LAN due to authentication failure, yet logins are the right ones. Log at /usr/NX/var/log/nxerror.log reveals: Authentication failed with error 7.
Making a Virtualbox Guest OS Accessible Over LAN
Case: When pinged from another PC on the LAN, the guest OS replies: “icmp_seq=XX Packet filtered” which is an error. Host and guest are both Solus Linux 4.1.
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Removing a Horizontal Line in Libre Writer
Case: Inserting a horizontal rule by typing dashes (“————“) in Libre Writer causes the line to appear, but attached to the paragraph or list item before it. No selection or conventional removal methods work (Ctrl+x or select and delete/backspace).
LibreCalc displaying cell formula instead of result
Case: LibreCalc (any OS) displaying formulas instead of their output, without any prior changes to settings and for any document.
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