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Unanswered Questions

18,311 questions with no upvoted or accepted answers
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
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
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 ...

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