Linked Questions
15 questions linked to/from Why disabling "Secure Boot" is enforced policy when installing 3rd party modules
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 ...
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 ...
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 ...
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 ...
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
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 ...
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 ...
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. ...
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 ...
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?
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-...
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)) ...
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
...
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 ...
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 ...