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Unanswered Questions

22,240 questions with no upvoted or accepted answers
11 votes
1 answer
1k views

Windows Defender Waking Up Hard Drive

I have an external hard drive that I only use for storage, I almost never write data to it but it can be useful if I want to access some data that I have in it. When it’s possibile I’d like for the ...
10 votes
1 answer
10k views

Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces

Let me jump straight in. I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot I have 3 wireless interfaces: built in wifi interface (brcmfmac) TP-Link ...
10 votes
3 answers
2k views

Attach to the same tmux session from different nodes of a cluster

I'm working on a computing cluster which has several hundreds of nodes. A load-balancing scheme picks an idle node to login to when ssh-ing into the cluster. As a result, it is very unlikely to re-...
9 votes
2 answers
6k views

NTFS external hard drive formatted on Linux is not recognized by Windows

I fully formatted a hard drive in NTFS on Linux from a completely empty (zeroed) drive and it is not recognized by Windows 10. It is not listed in the Windows File Explorer nor with the fsutil fsinfo ...
9 votes
0 answers
12k views

What IP/ports should be opened for Docker Hub?

Given our client's restrictions, we cannot have our VMs completely open to the internet. However, we sometimes need to pull Docker images from Docker Hub. We can white-list IP addresses and ranges, ...
9 votes
1 answer
4k views

Is Xfce supposed to run slowly on Virtualbox?

I'm having problems getting Xfce systems on VirtualBox to run smoothly. What I mean by slow is that moving or resizing windows looks very "laggy" (basically just windows jumping from one ...
9 votes
2 answers
4k views

Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04

I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania. This is what I've did: First Thing Network Connections, added connection. Selected ...
9 votes
1 answer
2k views

sshfs: cannot set file timestamp

Using sshfs with autofs on Ubuntu, I cannot set timestamps on remote files: $ touch /sshfs/server/some/file touch: setting times of `/sshfs/sshfs/server/some/file': Permission denied I do have write ...
8 votes
1 answer
7k views

ssh randomly can connect, and sometimes "kex_exchange_identification: Connection closed by remote host"

Connecting to my server has never been a problem. But now I've added a mesh router in bridge mode to my regular router, and when I try to ssh to my server, sometimes it works fine, and other times ...
8 votes
0 answers
1k views

Running Android Emulator with HAXM acceleration and VirtualBox in parallel on Windows

I am trying to understand if it is feasible to run the Android Emulator with HAXM-based acceleration and VirtualBox side by side on the same Windows host. I have a Windows host running a 64 bit ...
8 votes
1 answer
2k views

How to run a raw-disk Virtualbox VM when using UEFI?

I have a dual-boot setup on my computer with Windows 10 and Linux (Arch, if relevant). I'm trying to virtualize my on-disk Linux install in Windows (and plan on doing the opposite direction once I ...
8 votes
3 answers
19k views

Laptop won't boot, restarts on its own + black screen

yesterday I was playing on my Win 7 laptop when suddenly my screen went into this colorful faulty state, something of this , though not exactly. And a second after my laptop died starting itself up ...
8 votes
0 answers
1k views

VBoxManage: error: Cannot read the partition information from '/dev/disk0'

I'm trying to make a partition .vmdk file for Virtual Box. Basically I want to boot my bootcamp partition box up in Virtual Box. But I get the following error when I try to make the .vmdk file ...
8 votes
2 answers
6k views

Shared connection frequently closes when opening a new connection

I'm making heavy use of reusing a shared connection which I open to a remote box at the beginning of my workday. My .ssh/config looks somewhat like this: ControlMaster auto ControlPath ~/.ssh/...
8 votes
2 answers
12k views

Bad Block on Virtual Machine (Virtual or Physical Problem?)

I am dealing with a virtual machine that is receiving the following entry in the event log: TIME OF EVENT: 7/30/2011 3:47:05 PM EVENT LOG: System EVENT SOURCE: disk EVENT ID: 7 SEVERITY: Error ...
8 votes
1 answer
16k views

Enable SMB file sharing on OS X - "Incorrect Password"

I have a Mac running Snow Leopard connected to an Active Directory domain. I can share folders on the Mac and view files from Windows without problems. When I try to enable my Mac account for write ...
8 votes
1 answer
36k views

Pass VirtualBox Guest connections through proxy

The computer is inside a company and only have internet access through proxy. I want the guest inside the VirtualBox to access the internet without changing anything in the guest. The host is Windows ...
8 votes
1 answer
2k views

How to prefer ipv6 over ipv4 only for specific websites?

I only have ipv6 connectivity via a HE tunnel on my router, so normally I want to prefer ipv4 over ipv6. For some websites however, I would like to prefer ipv6. Right now I have just set ...
8 votes
1 answer
733 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
7 votes
0 answers
14k views

netplan configuration not active -- ubuntu 18.04

trying to set up a fixed IP address on one of two NIC. I try using netplan. Not working at all. Not an expert on this, I am out of my wits and ready to roll back to some other way (networkd). Maybe ...
7 votes
1 answer
2k views

Windows Explorer freezes for 30 seconds when I click on (or even mouse over) a disconnected network drive

I have a network drive mapped in My Computer and displayed on the task bar beside my other drives. Sometimes the server which hosts the network drive is physically powered off. When the server is ...
7 votes
0 answers
2k views

Docker is creatting another default network route overriding default one and disabling internet connection

I'm using docker, and when I started some container it starts the docker network interface. With it the daemon set-up 2 new routes, including a new default route, overriding my old one. And, of course,...
7 votes
0 answers
7k views

What is IPv6 connection sharing and why do I want it?

I can't easily find any good information on what IPv6 connection sharing is, nor how it affects my local network topology. I can only find a bunch of information on how to enable it and how turning it ...
7 votes
0 answers
18k views

How to overcome VirtualBox 256MB limit of video memory

My host machine has a 2GB graphic card (GeForce GT740M) but VirtualBox allows me to use just 256MB of memory. Because I would use CAD applications on Win7 (Guest) I would like to have more memory to ...
7 votes
0 answers
3k views

Reading data from a 23 year old IDE harddrive

I have a 200 MB Western Digital 2.5" IDE drive, originally from an Amiga 1200, that I would like to try to get an image file of, so I can keep the data that is on it. Since the drive is very old, and ...
7 votes
0 answers
14k views

LVM and Superblock failure; how to recover?

How do you repair the superblock of an LVM volume? Alternatively, how do you recover the data on an unmountable lvm logical volume? I recently added a second hard disk, extended my volume group and ...
7 votes
0 answers
2k views

What causes this HDD sector damage pattern?

Out of curiosity, I ran GNU ddrescue on a Seagate ST1000LM024 HN-M101MBB hard drive with known bad sectors, and then I visualized the ddrescue mapfile with ddrescueview. When I zoomed in, this ...
7 votes
0 answers
3k views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
7 votes
0 answers
11k views

How can I create a user-specific HOSTS File?

I know that by editing my HOSTS file (C:\Windows\System32\drivers\etc\hosts), I can block any site, but I would like to take this a step further. Is it possible (in Windows XP or newer) to have ...
6 votes
0 answers
8k views

'IpICSHlpStopSharing' : '0x80070490' in event log

Suddenly I begin to see a lot of errors in my event log (Windows 10 Pro Build 19041): 'IpICSHlpStopSharing' : '0x80070490'. Source: Host-Network service. I am working with Hyper-V (and Docker) and ...
6 votes
0 answers
5k views

rcu_sched detected stalls on CPUs/tasks

I'm running many VMs using Virtualbox. These VMs use Debian 10.3 (the latest version). And I'm experiencing bugs / freezes as you can see below. It looks like this is happening on the VMs where I ...
6 votes
2 answers
4k views

Win 10: Disable "Restoring Network Connections" popup when connection to network drives drop

Whenever I get disconnected from my network drives and I happen to have like 10 folders of the network drive folders opened, 10 of these pop-ups will show up and I cannot close any of the windows ...
6 votes
0 answers
996 views

How do these VPNs achieve per-app tunneling?

I want to redirect traffic to specific network interfaces by application on Windows. This is commonly known as "split-tunneling" and a lot of people often do this to selectively send traffic,...
6 votes
0 answers
10k views

How to use Windows WSL to configure routing? Is this possible?

I noticed that IP forwarding appears to be enabled in WSL (Windows 10pro 1709), according to sysctl. I'm hoping I can use this to make a software router on WSL -- to play with Hyper-V VM traffic on ...
6 votes
3 answers
9k views

Vagrant hangs on SSH auth method: password

I’m trying to load a VM via Vagrant. It’s my first time attempting anything like this. I'm using Windows 10 64bit and trying to run my MS Server 2016 standard. I created a new VM in VirtualBox and ...
6 votes
0 answers
831 views

VBoxManage setextradata command does not add avx2 to /proc/cpuinfo

Linux & VirtualBox noob here, so please go easy. I've been running into problems compiling code with scipy in a VirtualBox 5.2 VM running Fedora 26 on my host Windows 10. The cryptic error output ...
6 votes
2 answers
10k views

How to force a specific software to use proxy?

I want to use a Tor SOCKS proxy on some programs (e.g. Android Studio) but not all. I'm a Windows 10 user. How can I do that?
6 votes
0 answers
3k views

Virtualbox host io cache applying scenarios

Virtualbox docs says that using host io cache for sata controller may be a risk of system performance. At the same time, on my case I see advantage of using host io cache - DisckCrystalMark reports ...
6 votes
0 answers
2k views

Configuring unbound to resolve resolve on mdns

I am trying to set up my own home DNS server, partly to allow computers without avahi/Bonjour to resolve .local addresses. (e. g. unrooted Androids) I am trying to use unbound for this. Since I know ...
6 votes
1 answer
9k views

Windows detecting mystery device

I have just installed Windows 8.1 and I have noticed a mystery device being detected under Networks. Here is a screenshot showing the device and its properties. It identifies itself as a Nexus 7 - a ...
6 votes
1 answer
4k views

How to setup OSX as a wifi router from the command line

I need to setup my mac as wifi-router. I want it to appear indistinguishable from a stand alone wifi-router. I don't want internet access. Things I've tried. Turning on Internet Sharing Doesn't ...
6 votes
0 answers
12k views

Can't use local default gateway with Cisco Anyconnect VPN connection

I'm using Cisco Anyconnect as my VPN client on Windows 7. When I connect to VPN, all my traffic is routed through the remote gateway, but I'd like the traffic to route through the local gateway. I've ...
6 votes
0 answers
886 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
6 votes
3 answers
6k views

How can I troubleshoot VirtualBox port forwarding from Windows guest to Mac OS X host not working?

There is a plethora of questions about VirtualBox port forwarding problems but none with my specific details. Details of setup: I have a Windows 7 Professional 64bit install living in VirtualBox 4.1....
6 votes
2 answers
13k views

Bluescreen Stop 0x00000027 RDR_FILE_SYSTEM after cloning system on new HDD

A couple of months ago I got a new 500GB HDD for my no-name-brand Laptop PC and I cloned the complete Win 7 Pro 32bit system with clonezilla from the old 70GB drive to the new one. At first everything ...
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, ...

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