Linked Questions

1
vote
0answers
227 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 ...
153
votes
9answers
226k 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 ...
42
votes
3answers
62k 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 ...
26
votes
3answers
85k views

Is it safe to disable Secure Boot? [closed]

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 ...
4
votes
4answers
42k 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 IUEF secure boot enabled nvidia-smi could not found in ubuntu: $ nvidia-smi nvidia-smi: command not ...
3
votes
2answers
45k 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 ...
7
votes
1answer
32k 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 ...
1
vote
3answers
8k 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
0
votes
1answer
13k 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-...
10
votes
2answers
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 ...
11
votes
1answer
1k 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. ...
0
votes
1answer
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?
0
votes
0answers
918 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 ...
0
votes
1answer
328 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 ...
0
votes
1answer
71 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)) ...