Unanswered Questions
7,180 questions with no upvoted or accepted answers
11
votes
1
answer
3k
views
Is it possible to make WinSCP use my SSH config file?
I use SSH-based tools on Windows, which use configuration files in %HOME%\.ssh\.
Is it possible to make WinSCP use that configuration file too, so I only have to manage one configuration?
It's ...
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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
1
answer
4k
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Why can’t I type during git clone PuTTY connection?
I want to clone git repo from CLI in Windows. When I'm executing:
git clone '...'
I am then getting:
The server's rsa2 key fingerprint is:
ssh-rsa blablabla
If you trust this ...
CommunityBot
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9
votes
0
answers
8k
views
Why is there no UDP port forwarding in SSH?
I know SSH can forward TCP ports, not UDP. I'm not seeking help to circumvent this restriction (this subject is covered here).
I'd like to know what is the reason SSH never got UDP forwarding ability....
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 ...
CommunityBot
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9
votes
3
answers
1k
views
How to prevent gnu screen capturing the mouse?
I want to use local scrollback on my terminal, whilst using gnu screen. That's because my network connection is incredibly slow, so using screen's scrollback is very slow. Local scrollback is much ...
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8
votes
1
answer
7k
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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 ...
CommunityBot
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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 ...
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8
votes
1
answer
1k
views
Moving mouse in iTerm causes characters to be to printed to prompt
I am having an issue with iTerm that happens to me intermittently. When I am using iTerm and I move the mouse up and down, or click a bunch of random characters are printed to the prompt:
I am in a ...
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 ...
- 8,477
8
votes
0
answers
1k
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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
...
- 221
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/...
CommunityBot
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8
votes
1
answer
11k
views
FreeSSHd + WinSCP: "Server refused public-key signature despite accepting key!"
I'm trying to gain access to my Windows 2008 R2 server via SSH. I have a Remote Desktop connection, but I need to upload my files to the server. For SSH servers on the Windows server, I've tried ...
CommunityBot
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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
3
answers
9k
views
Can't open an SSH session because of OpenSSL version mismatch
I just ran apt-get upgrade, and according to /var/log/apt/history.log, openssl has been updated to version 1.0.1e-2+rvt+deb7u7. Now I have one SSH session still open, but I can't open another one. I ...
CommunityBot
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7
votes
0
answers
367
views
How to route OpenVpn traffic through another server?
I have a server (ubuntu 22.04) with Openvpn on it on port 443 (with docker image kylemanna/docker-openvpn). It is working with no problem and the clients can connect to it. The problem is that the ...
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 ...
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7
votes
0
answers
4k
views
How do I remote SSH into an IPv6 address behind a router firewall?
I have this fancy new ubuntu server I just built assembled, and I'm trying to set up ssh from anywhere so I can keep it headless.
I've been able to set it up locally, and as long as I'm on the ...
- 2,589
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 ...
CommunityBot
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6
votes
1
answer
19k
views
How do I change the allowed host key algorithms for SSH?
I am writing an application which uses the libssh library. I am trying to establish a connection from the client side where the app runs to the server. However, instead of connecting, I get an error ...
- 1,485
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 ...
- 121
6
votes
0
answers
19k
views
Force restart of systemd-logind.service
I'm having trouble login using ssh on one server, the connection takes too long. I
have had the same situation before on a different server and restarting systemd-logind.service worked.
I tried to ...
- 161
6
votes
0
answers
7k
views
Reverse sshfs over ssh
I want to mount dir on remote machine from host machine connected over ssh preferably via ssh tunnel; with method described below.
how to mount local directory to remote like sshfs?
But if get peer ...
- 61
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 ...
CommunityBot
- 1
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
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 ...
- 111
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....
CommunityBot
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6
votes
1
answer
3k
views
git clone extremely slow using ssh
Originally I could do git clone using ssh at an acceptable speed. However my ubuntu crashed, so I reinstalled using the newest version 13.04.
After I re-installed all I try to do git clone using ssh ...
- 3,667
6
votes
3
answers
6k
views
Mac OS X Server 10.6.6 "disables" CPU in VMware Fusion
I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
CommunityBot
- 1
5
votes
0
answers
581
views
How to troubleshoot a long delay when connecting over SSH?
SSH'ing to my Linux workstation from my Mac laptop works totally fine, except that there is sometimes a very long delay before I see a prompt. If I try again then it's fast like normal, but a few ...
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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 ...
CommunityBot
- 1
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 ...
CommunityBot
- 1
5
votes
0
answers
2k
views
Qemu throws back error after i tried to use whpx acceleration (not sure if this the right community)
I am using qemu to emulate Zorin OS 16 (a hour old user of qemu) I tried to emulate Zorin OS 16 with whpx acceleration with this command in power shell:
qemu-system-x86_64.exe -boot d -cdrom zorincore....
- 546
5
votes
0
answers
1k
views
Installing Windows virtualization features within KVM virtual machine causes early-boot guest crash
See updates below for what I've discovered about the more general nature of this problem.
I have a Windows VM running OVMF firmware with VFIO passthrough for a graphics card running on an Arch Linux ...
5
votes
1
answer
2k
views
How can I emulate Ubuntu 18.04 on MacOS using qemu?
How can I run Ubuntu 18.04 on my MacBook Air (Mojave) using QEMU? (yes I have to use QEMU for now.) I got QEMU from here. But also got it from Homebrew as well.
I've tried looking at the QEMU's ...
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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....
CommunityBot
- 1
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 ...
CommunityBot
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5
votes
3
answers
8k
views
Microsoft Remote Desktop - "Started Connecting, Giving Up"
My local machine is a Mac and I ran out of disk space on on my remote machine's "/dev/xvda1" filesystem.
% sudo df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xvda1 ...
5
votes
1
answer
221
views
Ssh X11 forwarding messes up with default shell
I have a bash specific code in my bash profile:
$ cat ~/.bash_profile
#!/usr/bin/env bash
echo "SHELL: $SHELL"
function printfiles() {
while IFS='' read -r _file || [[ -n "$_file" ]]; do
echo ...
- 1,157
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
- 267
5
votes
0
answers
440
views
KVM switch switches automatically on VirtualBox usage
I am using KVM switch Multico EW K1904U. The problem is that it confilcts with Oracle virtual box somehow.
Particularly, if I am terminating virtual machine on computer 1, it switches to computer 2 (...
CommunityBot
- 1
5
votes
2
answers
2k
views
Linux windowed GPU passthrough
I've read that GPU passthrough on linux (ubuntu/mint) is possible with the correct types of hardware. I'm looking for a specific use case of passthrough and I'm wondering whether technology has ...
5
votes
0
answers
1k
views
GPG agent over SSH (with vagrant)
I'm using vagrant for building and signing my debian/ubuntu packages but I'd prefer to not have have to copy my GPG keys into the virtual machine just to sign packages. It just feels insecure. Is ...
5
votes
0
answers
2k
views
GPG Agent under Windows as SSH Agent for git bash
I'm trying to set up gpg-agent as the common authentication agent under Windows. It works fine for both Putty and regular gpg use, but now I'd like to use it as ssh-agent in git bash as well.
From ...
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5
votes
1
answer
4k
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Vagrant virtual machine automatically halting when laptop is put to sleep
I’m using a Vagrant box (running in VirtualBox) I got from a third party and it always automatically shuts down when I put my MacBook Pro to sleep. When I wake up my laptop I need to run vagrant up to ...
CommunityBot
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5
votes
0
answers
2k
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virtualbox windows 10 guest stuck at low resolution on ubuntu host
I am running Ubuntu 14.04 as a host and Windows 10 as a guest in Virtual Box. I used Windows 8.1 as the operating system type when I set up the box. Windows 10 runs fine. I was able to install Guest ...
5
votes
0
answers
3k
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SSH reverse proxy
I am setting up a Gitlab server (https://about.gitlab.com/) inside a virtual machine using KVM on a Ubuntu 14.04 host. My university charges us for every external IP address, so I cannot use bridged ...
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0
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How to manage SSH keys securely in Windows?
I currently have an SSH key I use to access both Bitbucket and my home server from my Windows laptop. The most convenient way I found to deal with the use of the private key was to just have pageant ...
- 151
5
votes
0
answers
4k
views
How to set timeout for svn update?
I have about hundreds of server(all has its own working copy), fabric(python ssh tool for administration) will issue multiple svn update to those machines, many commands (10% machine) return ...
- 362
5
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0
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2k
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Is it possible to run Corona SDK on ReactOS or Wine?
I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution?
What about ReactOS (or ...
CommunityBot
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