Linked Questions

163 votes
9 answers
256k views

Could not load 'vboxdrv' after upgrade to Ubuntu 16.04 (and I want to keep secure boot)

I upgrade from Ubuntu 15.10 to 16.04 and since then VirtualBox 5.0.18 isn't starting my VMs anymore. It complains that 'vboxdrv' isn't loaded. So I try to load it and get the following error: $ sudo ...
jans's user avatar
  • 1,915
14 votes
4 answers
87k views

How to install nvidia driver with secure boot enabled?

I found this post: nvidia-smi command not found Ubuntu 16.04 | Ask Ubuntu Which says that with UEFI secure boot enabled nvidia-smi could not be found in Ubuntu: $ nvidia-smi nvidia-smi: command not ...
2017561-1's user avatar
  • 440
44 votes
3 answers
75k views

Ubuntu: "Booting in insecure mode" with SecureBoot enabled

I have just installed Ubuntu 15.10, after having been with 16.04 LTS for some time to try it out. While I was using 16.04, I tried to install Nvidia Drivers and got told that I needed to disable ...
vagaerg's user avatar
  • 637
33 votes
3 answers
108k views

Is it safe to disable Secure Boot?

I just wanted to know if it is safe for me to disable secure boot for the purpose of installing the latest Nvidia Graphics Driver. I am running Windows 10 alongside Ubuntu 16.04 on an Acer Aspire V ...
VihanAgarwal's user avatar
2 votes
3 answers
14k views

Should I turn secure boot off?

I recently installed Ubuntu 16.04 LTS with Secure Boot on. I did not understand the relevance of it at the time. Should I turn it off to prevent future problems, or is it ok to leave it on? Thank you
coolro's user avatar
  • 31
10 votes
2 answers
2k views

Has 3.19.0-65 introduced new Secure Boot requirements to 14.04 LTS?

My laptop came with 14.04 (Trusty Tahr) LTS. Since then, I have made no significant changes, and I have been applying updates whenever I was notified of them. On 2016-07-15, I was applying updates ...
Peter Ford's user avatar
4 votes
2 answers
51k views

Disabling UEFI on a running Ubuntu system

I have ubuntu 14.04.1 running with 3.13.0-93-generic kernel after a recent upgrade. UEFI is enabled from the begining. However I can see that some modules (e.g. virtualbox, DKMS) are not working and ...
Pradip K Majumder's user avatar
11 votes
1 answer
3k views

Ubuntu blocked by current security policy, solution inside Ubuntu rather than in BIOS

When I started my computer today, GRUB was blocked by this message : Ubuntu has been blocked by the current security policy I'm using a Lenovo Yoga, Ubuntu 18.04 LTS dual-booted with Windows 10. ...
damadam's user avatar
  • 2,833
7 votes
1 answer
33k views

vmware error after upgrade to ubuntu 16.04

I just upgraded to ubuntu 16.04 and I started having problems with vmware (v 12.1.0 build-3272444). When I try to play the virtual machine I receive the following error: Could not open /dev/vmmon: No ...
Abdd's user avatar
  • 75
0 votes
1 answer
1k views

How to launch games by second video card (Dota 2)

How can I launch games using a second video card? And why do I have few options in Nvidia X Server Settings?
Nuradil Kozhakhmet's user avatar
0 votes
1 answer
19k views

Re-enable secure boot [ MOK secure boot ] [duplicate]

I installed the NVIDIA driver 367.44 from the Nvidia site. As a last step I was prompted to disable secure boot on re-boot. I did that, but I am not fully comfortable keeping it disabled. I want to re-...
shaunakde's user avatar
  • 111
0 votes
1 answer
74 views

How do I turn on my WiFi in ubuntu 16.04LTS

I have an HP desktop and I switched from.windows to Ubuntu and I went to turn on my drivers for my WiFi card (broadcom 802.11 Linux start wireless driver source from bcmwl-kernel-source (proprietary)) ...
user582796's user avatar
0 votes
1 answer
365 views

Installing 3rd party C library. Several errors I've had before whose fixes aren't the solution this time

I am attempting to use a third-party C library. Once I'm in the directory for the unpacked file I run ./configure and get: configure: creating ./config.status config.status: creating tests/Makefile ...
jiggly's user avatar
  • 3
0 votes
0 answers
1k views

wl module is loaded but not working

I have Broadcom bcm43142 chipset and I installed the correct wl module and the wifi seemed to be working fine but when I rebooted my laptop, wifi was gone. The output of the lsmod command shows that ...
R. Porwal's user avatar
0 votes
0 answers
248 views

What is Secure Boot? Should I disable it? [duplicate]

I have an Acer with an Nvidia graphics card. I know that to upgrade the drivers I need to disable Secure Boot, but I am unclear about what Secure Boot is and if there are any down sides to disabling ...
VihanAgarwal's user avatar