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Unanswered Questions

7,180 questions with no upvoted or accepted answers
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 ...
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 ...
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 ...
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 ...
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
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 ...
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 ...
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
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
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
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 ...
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 ...
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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