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GNU GRUB

GNU GRUB

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Search complete. 41 mentions across 12 episodes found for "GNU GRUB".

Oct 25, 2026

Chris TitusHOST
7:39
The older versions, you have to stick with UEFI and GPT or do a legacy and MBR.
Chris TitusHOST
7:47
But for GRUB, you have a ton of flexibility.
Chris TitusHOST
7:51
Most of it is actually dictated by the boot portion.
Chris TitusHOST
7:55
So from the root, it goes into boot.
Chris TitusHOST
7:58
And from here, you can actually put your GRUB configuration in and boot legacy from there.
Chris TitusHOST
8:05
Now the EFI directory, which would be in boot, is typically mounted to a completely separate partition.
Chris TitusHOST
8:13
And when that partition is set up, it's a GPT drive, it'll be set up at the very, very front of the drive.
Chris TitusHOST
10:19
You can recreate it.
Chris TitusHOST
10:21
And the big one, if you're using Grub, you can easily recreate that EFI entry by just doing a Grub install and then pointing to the boot directory, the EFI directory in your boot.
Chris TitusHOST
10:32
Sometimes certain distros will install it directly on the boot itself.
Chris TitusHOST
10:36
Sometimes they do boot EFI.
Chris TitusHOST
8:53
So I've switched from Fedora 29 as my main boot to Ubuntu.
Chris TitusHOST
8:59
I'm still using Grub and I've redone that using Grub 2 Customizer, which I'll probably also make a video on.
Chris TitusHOST
9:06
But overall, really, really like an Ubuntu just because of how easy it is to install and customize things.
Chris TitusHOST
9:14
I've even created setup scripts and all these other things in the past, which I can easily use again.
Chris TitusHOST
4:36
So I stuck to the big main line things that most new users should stick to.
Chris TitusHOST
4:42
So Grub, SystemD, and LemonAid.
Chris TitusHOST
4:44
I kind of go over just how to prep for installing Linux.
Chris TitusHOST
4:50
This is kind of a big thing when it comes to the preparation of Linux, how much space you should have, have a second drive, how to create a bootable USB.

Unknown podcast

How UEFI, Secure Boot, and the Boot Chain Actually Work

Oct 14 · 11 Mentions

CornHOST
2:24
Then that tiny thing chain loads a second stage from somewhere else.
CornHOST
2:28
The gap after the MBR, a volume boot record, or on a GPT disk, a dedicated GRUB BIOS boot partition.
Herman PoppleberryHOST
2:36
440 bytes.
CornHOST
2:39
That's your operating system's first breath.

10 MINS LATER

Herman PoppleberryHOST
12:47
And then the shim vulnerability, which is the other half of the current story
CornHOST
12:53
ESET found 11 old Microsoft-signed shims, all version 0.9 or below, that can bypass secure boot on most UEFI machines.
CornHOST
13:01
They lack MOK deny list enforcement, which arrived in 0.9, and SBAT support, which arrived in 15.3. One Oracle Linux shim trusts a GRUB binary vulnerable to CVE-2015-5281.
CornHOST
13:15
Microsoft revoked all 11 in its June 9th patch Tuesday this year, tracked to CVE-2026-8863 and CVE-2026-10797.
Jonathan BennettHOST
0:11
And, uh, then there's a whole lot more wrong with Xorg, and yet more powerful tools to fix it.
Jonathan BennettHOST
0:18
Ubuntu 26.10 has some questionable decisions about Grub.
Jonathan BennettHOST
0:22
We talk about some Arm news and the possible Raspberry Pi killer.
Jonathan BennettHOST
0:26
Blender goes 5.3, and Cage is doing some really interesting things in the Linux kernel.
Jeff MassieHOST
23:36
The, the butter FS snapshot snapshot fans showed up the ZF ZFS on root fan showed up, you know, at, at one point a moderator had to switch on slow mode to just, slow down the threads.
Jeff MassieHOST
23:54
And of course, someone suggested just rewriting Grub and Rust.
Jeff MassieHOST
23:59
Of
Jonathan BennettHOST
24:00
course they
Jeff MassieHOST
24:05
Let the hilarity ensue after that post.
Jonathan BennettHOST
24:07
Yeah.
Jeff MassieHOST
24:08
So is the risk real? Well, one developer in the thread pointed out to CVE-2024-45774, a specifically crafted JPEG could trigger an out-of-bounds write in Grubb's JPEG parser.
Jeff MassieHOST
24:23
Mm-hmm.
Jonathan BennettHOST
0:11
And then there's a whole lot more wrong with X.Org, and yet more powerful tools to fix it.
Jonathan BennettHOST
0:18
Ubuntu 26.10 has some questionable decisions about Grub.
Jonathan BennettHOST
0:22
We talk about some ARM news and the possible Raspberry Pi killer.
Jonathan BennettHOST
0:26
Blender goes 5.3. And Cage is doing some really interesting things in the Linux kernel.

18 MINS LATER

Jonathan BennettHOST
18:13
We'll be right back.
Jonathan BennettHOST
18:15
All right, Jeff.
Jonathan BennettHOST
18:16
The Grub is going on a diet and some other things in Ubuntu.
Jonathan BennettHOST
18:21
What's new there in 26.10?
Jonathan BennettHOST
0:11
And then there's a whole lot more wrong with X.Org, and yet more powerful tools to fix it.
Jonathan BennettHOST
0:18
Ubuntu 26.10 has some questionable decisions about Grub.
Jonathan BennettHOST
0:21
We talk about some ARM news and the possible Raspberry Pi killer.
Jonathan BennettHOST
0:26
Blender goes 5.3. And Cage is doing some really interesting things in the Linux kernel.

23 MINS LATER

Jeff MassieHOST
23:29
Other people raised European, raised European compliance rules that require an encrypted slash boot.
Jeff MassieHOST
23:36
The, the butter FS snapshot snapshot fans showed up the ZF ZFS on root fan showed up, you know, at, at one point a moderator had to switch on slow mode to just, slow down the threads.
Jeff MassieHOST
23:54
And of course, someone suggested just rewriting Grub and Rust.
Jeff MassieHOST
23:59
Of
Ken McDonaldHOST
33:50
That's gonna be an interesting question because s- OmarchI uses a systemd-boot.
Ken McDonaldHOST
33:57
My Ubuntu 26.04 is using Grub.
Jonathan BennettHOST
34:03
I mean, it should be possible, I would think.
Jonathan BennettHOST
34:06
I don't know.
Jonathan BennettHOST
34:11
[laughs]
Ken McDonaldHOST
34:13
I'll probably try digging into it.
Ken McDonaldHOST
34:15
I'm still trying to, uh, f- see if I can get it so it will automatically reboot into the last one I was in, unless I specifically change, like I could do with Grub before.
Ken McDonaldHOST
34:30
But it's al- always booting up into systemd-boot first, so I'm having to sit there and wait and select the Ubuntu 26 option.

2 more episodes mention GNU GRUB.

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