vmlinuz-4.18.12-041812-generic has invalid signatureKernel loading error, `ls` at grub command line does not do anythingUpdates fail due to “/etc/default/grub: splash”: not found” error kernel did not upgrade between 12.04->12.10->13.04cannot upgrade kernel and mysql-server after dist upgradeLinux Headers not upgrading. It says “no space” when I have lotsWhy there is an update-initramfs error when removing a kernel by dpkg?Errors every time I use 'apt install' because of old kernelsKernel 4.4.0-109-generic fails to boot but 4.4.0-104-generic works fineUnable to update kernel (or anything), dpkg returns error 1Difference between kernel 4.15.0-42-generic and 4.15.0-29-generic in Ubuntu 18.04UKUU new kernel error: you need to load the kernel first
Knowledge-based authentication using Domain-driven Design in C#
Why are UK visa biometrics appointments suspended at USCIS Application Support Centers?
How exploitable/balanced is this homebrew spell: Spell Permanency?
How to find if SQL server backup is encrypted with TDE without restoring the backup
In Bayesian inference, why are some terms dropped from the posterior predictive?
How obscure is the use of 令 in 令和?
Finitely generated matrix groups whose eigenvalues are all algebraic
Placement of More Information/Help Icon button for Radio Buttons
Can compressed videos be decoded back to their uncompresed original format?
What Exploit Are These User Agents Trying to Use?
Does the Idaho Potato Commission associate potato skins with healthy eating?
Do creatures with a listed speed of "0 ft., fly 30 ft. (hover)" ever touch the ground?
How do conventional missiles fly?
How can I prove that a state of equilibrium is unstable?
Machine learning testing data
Can a virus destroy the BIOS of a modern computer?
How to enclose theorems and definition in rectangles?
What exactly is ineptocracy?
Rotate ASCII Art by 45 Degrees
Send out email when Apex Queueable fails and test it
Car headlights in a world without electricity
Is "/bin/[.exe" a legitimate file? [Cygwin, Windows 10]
Notepad++ delete until colon for every line with replace all
How badly should I try to prevent a user from XSSing themselves?
vmlinuz-4.18.12-041812-generic has invalid signature
Kernel loading error, `ls` at grub command line does not do anythingUpdates fail due to “/etc/default/grub: splash”: not found” error kernel did not upgrade between 12.04->12.10->13.04cannot upgrade kernel and mysql-server after dist upgradeLinux Headers not upgrading. It says “no space” when I have lotsWhy there is an update-initramfs error when removing a kernel by dpkg?Errors every time I use 'apt install' because of old kernelsKernel 4.4.0-109-generic fails to boot but 4.4.0-104-generic works fineUnable to update kernel (or anything), dpkg returns error 1Difference between kernel 4.15.0-42-generic and 4.15.0-29-generic in Ubuntu 18.04UKUU new kernel error: you need to load the kernel first
I upgraded my kernel today with ukuu, and since then I cant boot because i'm getting this errors:
error: /boot/vmlinuz-4.18.12-041812-generic has invalid signature
error: you need to load the kernel first
I have dual boot with windows 10 and ubuntu 18.10 (Upgraded today)
Update: I managed to boot to older kernel that i chose from "Advanced
options for Ubuntu" in grub
But I need to upgrade my kernel and if I do that I still get the same problem...
dual-boot kernel
add a comment |
I upgraded my kernel today with ukuu, and since then I cant boot because i'm getting this errors:
error: /boot/vmlinuz-4.18.12-041812-generic has invalid signature
error: you need to load the kernel first
I have dual boot with windows 10 and ubuntu 18.10 (Upgraded today)
Update: I managed to boot to older kernel that i chose from "Advanced
options for Ubuntu" in grub
But I need to upgrade my kernel and if I do that I still get the same problem...
dual-boot kernel
add a comment |
I upgraded my kernel today with ukuu, and since then I cant boot because i'm getting this errors:
error: /boot/vmlinuz-4.18.12-041812-generic has invalid signature
error: you need to load the kernel first
I have dual boot with windows 10 and ubuntu 18.10 (Upgraded today)
Update: I managed to boot to older kernel that i chose from "Advanced
options for Ubuntu" in grub
But I need to upgrade my kernel and if I do that I still get the same problem...
dual-boot kernel
I upgraded my kernel today with ukuu, and since then I cant boot because i'm getting this errors:
error: /boot/vmlinuz-4.18.12-041812-generic has invalid signature
error: you need to load the kernel first
I have dual boot with windows 10 and ubuntu 18.10 (Upgraded today)
Update: I managed to boot to older kernel that i chose from "Advanced
options for Ubuntu" in grub
But I need to upgrade my kernel and if I do that I still get the same problem...
dual-boot kernel
dual-boot kernel
edited Oct 6 '18 at 16:23
Nadav Shabtai
asked Oct 6 '18 at 15:52
Nadav ShabtaiNadav Shabtai
6616
6616
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
I solved my problem following this tutorial to sign /boot/vmlinuz file for secure boot, Just notice the last part of the tutorial
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
add a comment |
Instead of signing the kernel in question, I just turned off Secure Boot in the BIOS/UEFI menu of my laptop.
You usually enter it by pressing a special key during boot, you can usually google the specific one for your device or it might even be shown on screen during boot.
add a comment |
Your Answer
StackExchange.ready(function()
var channelOptions =
tags: "".split(" "),
id: "89"
;
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function()
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled)
StackExchange.using("snippets", function()
createEditor();
);
else
createEditor();
);
function createEditor()
StackExchange.prepareEditor(
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader:
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
,
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
);
);
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2faskubuntu.com%2fquestions%2f1081472%2fvmlinuz-4-18-12-041812-generic-has-invalid-signature%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
I solved my problem following this tutorial to sign /boot/vmlinuz file for secure boot, Just notice the last part of the tutorial
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
add a comment |
I solved my problem following this tutorial to sign /boot/vmlinuz file for secure boot, Just notice the last part of the tutorial
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
add a comment |
I solved my problem following this tutorial to sign /boot/vmlinuz file for secure boot, Just notice the last part of the tutorial
I solved my problem following this tutorial to sign /boot/vmlinuz file for secure boot, Just notice the last part of the tutorial
answered Oct 14 '18 at 7:06
Nadav ShabtaiNadav Shabtai
6616
6616
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
add a comment |
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
2
2
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
Could you provide please some detailed information about resolving this problem? I have absolutely the same error, but I do not understand what I have to do according to tutorial mentioned.
– Slon
Feb 17 at 19:35
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
I don't remember right now, I'll try to help you later this day if its still relevant
– Nadav Shabtai
Mar 12 at 9:58
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
It is relevant for me too. I have the same issue
– Vitalii Diravka
Mar 25 at 21:41
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
Just found this, I need it too
– Mitch Talmadge
Mar 26 at 20:25
add a comment |
Instead of signing the kernel in question, I just turned off Secure Boot in the BIOS/UEFI menu of my laptop.
You usually enter it by pressing a special key during boot, you can usually google the specific one for your device or it might even be shown on screen during boot.
add a comment |
Instead of signing the kernel in question, I just turned off Secure Boot in the BIOS/UEFI menu of my laptop.
You usually enter it by pressing a special key during boot, you can usually google the specific one for your device or it might even be shown on screen during boot.
add a comment |
Instead of signing the kernel in question, I just turned off Secure Boot in the BIOS/UEFI menu of my laptop.
You usually enter it by pressing a special key during boot, you can usually google the specific one for your device or it might even be shown on screen during boot.
Instead of signing the kernel in question, I just turned off Secure Boot in the BIOS/UEFI menu of my laptop.
You usually enter it by pressing a special key during boot, you can usually google the specific one for your device or it might even be shown on screen during boot.
answered 1 hour ago
xjclxjcl
1394
1394
add a comment |
add a comment |
Thanks for contributing an answer to Ask Ubuntu!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2faskubuntu.com%2fquestions%2f1081472%2fvmlinuz-4-18-12-041812-generic-has-invalid-signature%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown