Linked Questions

82 votes
4 answers
236k views

How do I update GRUB in Arch Linux

In Ubuntu, we use this command to update GRUB: # update-grub But how do I update GRUB version 2.00 in Arch Linux?
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6 votes
6 answers
74k views

Restore EFI boot partition

I am triple booting Ubuntu, Debian, and Fedora. When I installed Fedora from a liveCD I got excited and kept hitting next, not realizing I was not installing GPT, but rather LVM. After doing this I ...
user avatar
  • 1,117
5 votes
5 answers
10k views

grub2 gone every time I boot Windows 10

I installed Windows 7 on an SSD and upgraded it to Windows 10. Then I installed Linux mint 17.2 Cinnamon and had the following partitions: The boot menu was showing Linux Mint and Windows 10 and I ...
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  • 161
10 votes
1 answer
42k views

How much speed difference for a tweaked bios versus uefi boot? [closed]

EFI can be faster, but that's not certain. The biggest speed difference is in hardware initialization early in the process. On my systems, this is a fraction of the total boot time, so a reduction ...
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  • 4,294
8 votes
2 answers
16k views

When wouldn't you want to install GRUB bootloader?

During the installation of many Linux distros, it gives you the option to install the GRUB bootloader. Every single time I have installed Linux I chose "Yes" to install the bootloader, and all the ...
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  • 377
7 votes
2 answers
5k views

How to construct a GPT-only partition table on Linux?

All of the tools I've tried until now were only capable to create a dual (GPT & MBR) partition table, where the first 4 of the GPT partitions were mirrored to a compatible MBR partition. This is ...
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  • 8,624
5 votes
2 answers
3k views

What is the purpose of UEFI partition?

On old computers (using BIOS) we had to create 2 partitions, one to mount / and second for swap. But on new systems with UEFI we need to create third partition EFI System in addition to those two ...
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4 votes
3 answers
7k views

Need to reinstall GRUB2, but it requires me to boot into unbootable system!

I had Window 8 and Linux Mint. Mint broke and I installed Antergos. Now I lost GRUB completely and I have to use Windows Boot Manager to boot into Windows. So I used Boot Repair CD to try to fix that, ...
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  • 295
2 votes
3 answers
36k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
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  • 241
5 votes
1 answer
8k views

mounting a SD card without a partition

I try to mount a SDHC card under GNU/Linux. Unlike what happens usually, /var/log/syslog doesn't mention sdb1, just: Jul 26 16:07:53 xvii kernel: [ 159.404842] scsi 6:0:0:0: Direct-Access Singim ...
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  • 11.3k
1 vote
2 answers
6k views

Grub menu not appearing

I have a windows 8.1 installed in my lenovo z570.I installed linux mint 17 from an USB created using YUMI software. After installation the grub menu doesn't appear and windows gets booted up ...
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6 votes
1 answer
6k views

Partitioning for a UEFI boot loader, can LVM be used?

I just bought a gently used laptop and I am trying to figure out why this is. It has a single SSD that when running fdisk -l shows as Disk: /dev/sda. Under it though are 5 "devices" under that disk, ...
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1 vote
4 answers
9k views

changing grub boot drive

I just installed a new SSD and I want to move all the files from the HDD to my SSD. I cloned the partitions from the hdd to the ssd. I run on a dual boot - windows 10 and ubuntu 15.10. So, now I have ...
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  • 133
1 vote
3 answers
5k views

What are the advantages of GRUB over LILO? [duplicate]

Why is GRUB so much more popular than LILO? The only distribution that I can think of that uses LILO by default is Slackware Linux. All other distributions use GRUB. To this day I've never understood ...
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  • 302
1 vote
2 answers
3k views

GRUB2 security vulnerability: pressing backspace 28 times: What are my risks? What should I do? [closed]

There have been reports yesterday about a new security vulnerablity: Lucian Constantin (2015-12-16). Vulnerability in popular bootloader puts locked-down Linux computers at risk. CSO Online. Patrick ...
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