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Unanswered Questions

22,240 questions with no upvoted or accepted answers
5 votes
2 answers
8k views

Ubuntu VM hangs in VirtualBox under Window 10: "watchdog BUG: soft lockup - CPU#0 stuck for 23s"

This is Windows 10 with VirtualBox installed and Ubuntu virtual machine with Apache server. Often CPU hangs on the Ubuntu virtual machine, taking up to 50% host CPU usage with no response at all, when ...
5 votes
2 answers
8k views

Trying to ssh into IPv6 address, getting "no route to host"

I have a home computer that uses Ubuntu 22.04, that I'd likely to remotely SSH into, from the internet. I'm trying to do this through its public IPv6 address. The address doesn't begin with fe80::, so ...
5 votes
1 answer
1k views

Why is my newly formatted (NTFS) 4 TB external hard drive has a Total Reserved Clusters of 4.7 GB?

I just bought a new external HDD (WD My Book 4 TB, it's my 3rd of the 4 TB variant). As per usual, I formatted it using NTFS with 4KB cluster size because I'm using Windows 10, but then when I checked ...
5 votes
1 answer
4k views

ifconfig: ioctl (SIOCDIFADDR): Can't assign requested address

I have a Macbook Air (M1, 2020) with macOs Big Sur installed. I just wiped my device and reinstalled the OS. What I want to do, is change, remove or add interfaces, but I can't. Evertime I try to ...
5 votes
1 answer
7k views

How do I get my modem's IP address when using Google Wifi?

Occasionally I need to connect my ISP's modem directly to initiate a restart. Normally when I connect to my modem directly, I can either connect to the modem using the vanity URL provided by the ISP, ...
5 votes
0 answers
530 views

Some USB devices not working properly on a new W10 x64 machine

Can you help me with a problem that I have with some USB devices not working properly on a new built machine. I hope you will be able to help me, being myself a power user, but here a little lost in ...
5 votes
1 answer
8k views

In split-tunneling, how do I configure OpenVPN so that it uses domain instead of IP based routing rules?

I live in a place where Google/Facebook/Twitter and a few other websites are not available from accessing. OpenVPN is a great tool to overcome this. Originally, I must have OpenVPN running all the ...
5 votes
2 answers
19k views

VM got 10.0.x.x address instead of 192.168.x.x address?

I've searched the similar question (and prepared to be downvoted too). I'm new to virtualbox, and I have Ubuntu-server-VM (with guest addition installed) run on my Windows-10-Host using VirtualBox-5.2....
5 votes
1 answer
3k views

No DHCP Reply on bridge with QEMU and TAP interface

I have a host machine running a virtual machine with QEMU and i want the DHCP server on the host providing an IP address to it. I am using static ethernet addresses for the guests, so i start them up ...
5 votes
2 answers
8k views

Boot a physical disk with EFI in VirtualBox Ubuntu 18.04 host

I used to use legacy BIOS booting on this machine to dual-boot Ubuntu 16.04 and Windows 10 across three hard drives. I used GRUB to boot to Ubuntu on an SSD and HDD combo and Windows 10 on it's own ...
5 votes
0 answers
7k views

Drive missing from Optimize Drives since upgrade to Windows 10 1803

Since upgrading Windows 10 (Pro) to version 1803, one of my drives is missing from the Optimize Drives list. The drive in question is, my D:-drive, a software-defined RAID-0 (striped) over two disks. ...
5 votes
1 answer
4k views

fsck_exfat: Could not update main boot region: Bad file descriptor - Mac OS X - external hard drive

My external hard drive (seagate barracuda with good SMART status insidev erbatim 4TB store 'n' go) has 3 main partitions: 1) ntfs 2) hfs+ for time machine backup 3) exfat to transfer files between ...
5 votes
0 answers
1k views

Will the write pointers in drive-managed SMR drives ever be reset?

I own a Seagate Expansion Desktop 5TB external hard drive, containing a ST5000DM000 according to hdparm. While information found on the internet is inconclusive, I strongly suspect that this drive ...
5 votes
0 answers
17k views

USB Wireless Adapter recognized by `lsusb` but not by `ifconfig` on Linux

I am experiencing some issues with an Wireless Adapter. Long story short: I have a USB Wireless Adapter: AWUS036ACH (chipset: RTL8812AU) drivers are up to date: (i.e., apt-get install realtek-...
5 votes
0 answers
396 views

What does it mean open mode in Virt-Manager?

Virt-Manager offers a network "open mode". Could you tell me what does it mean? For example: I use Fedora 26 with virt-manager 1.4.2

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