Console application permitting the user to choose between several installed operating systems.
Questions tagged [grub]
346 questions
0
votes
2 answers
issues booting fresh install of UbuntuOS
I have 2 hard drives on my server and i have previously installed CentOS on one of the hard drives(not sure which but i am guessing the second)
I install fresh Ubuntu 14.04LTS on the first one i will say but after the successful installation(which…
![](../../users/profiles/316474.webp)
uberrebu
- 493
- 5
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0
votes
1 answer
Copy centos 6 modify mdadm raid 1 and clone to new mdadm raid 1 ssd
I have: Centos 6.7
grub-install -v
grub-install (GNU GRUB 0.97)
lsblk
two new SSD 128gb
Live usb with Parted_Magic_2015.03.06
/boot/grub/device.map
# this device map was generated by anaconda
(hd0) /dev/sda
(hd1) …
![](../../users/profiles/214685.webp)
Sanya Snex
- 191
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- 8
0
votes
1 answer
How to save output from grub-md5-crypt to a file ?
I am using Cent OS 6.5 and I want to save the generated output and md5 hash from grub-md5-crypt command to a file.
The grub-md5-crypt command asks us to set a password. I want the password(which I have generated using a password generator) to be…
![](../../users/profiles/283466.webp)
Muddassir Nazir
- 99
- 4
0
votes
1 answer
How can I modify the bootloader config on debian 7
I want to install Debian 7 remotely. I've followed this tutorial:
https://wiki.debian.org/DebianInstaller/Remote
How can I execute Step 8?
I found the command update-grub but I don't know where to write the config.
![](../../users/profiles/106642.webp)
Charles
- 185
- 1
- 7
0
votes
1 answer
Deleted MBR on virtual machine on purpose, but entries are preserved
I'm playing with Master boot record. I decided to delete and restore it on my vmware machine.
With Ubuntu LiveCD I'm trying to erase partition entries and signature with command:
dd if=/dev/zero of=/dev/sda bs=1 skip=446 count=66
or:
dd…
![](../../users/profiles/297313.webp)
user3345632
- 103
- 3
0
votes
1 answer
Debian/Installer Preseed Remove Post Install Kernel Options + Multi NIC Preseed Tip
In light of recent automation trends, I would like to be able to fully automate an install of Ubuntu. My my first problem was auto selection of the bootif with multiple NICs break Ubuntu/Debians preseed very badly. I ended up fixing that with the…
![](../../users/profiles/272218.webp)
Scott Mattan
- 13
- 7
0
votes
1 answer
How to fix when grub no longer mounts the boot partition at start up?
This system has a boot partition on a dm-raid device.
I updated the system by standard methods from an older Ubuntu to the latest LTS. Now, if the kernel is updated by "apt-get upgrade", the new kernel will not load. Nor are the entries listed in…
![](../../users/profiles/168618.webp)
ndasusers
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- 14
0
votes
1 answer
GRUB hangs on emergency boot
I am trying to get a server going and was extremely excited when I found out it would automatically boot if the power just suddenly stopped. So if i were to unplug the server while it was still running it would boot next time I plugged it in. This…
![](../../users/profiles/252358.webp)
Dovah Do Volom
- 3
- 1
0
votes
1 answer
OpenSuse 13.1 GRUB2 downgrade GRUB stuck on menu
I was trying to virtualize a opensuse server and discovered that GRUB2 is not supported by VMWare, at least without some fiddling. I went into Yast and changed the bootloader from GRUB to GRUB2, and told the machine to convert the existing…
![](../../users/profiles/150183.webp)
chongo2002
- 15
- 8
0
votes
1 answer
Did grub updating bring my server down?
I have an Ubuntu 12.04 server. Last night I installed a few updates using apt-get dist-upgrade, including grub, and rebooted. After rebooting, I couldn't boot into Ubuntu. I just get a big flashing prompt, but nothing comes out when I type in it. If…
![](../../users/profiles/119793.webp)
Tootsie Rolls
- 101
- 2
0
votes
1 answer
Use old raid drive as boot device without data loss
There were two disks in sw-raid. There were /dev/md1 as swap, /dev/md2 as boot and a /dev/md3 with ext4.
The sw-raid was disabled by stopping and removing mdadm and then zeroing the superblock on each /dev/mdX partition with:
sudo mdadm…
![](../../users/profiles/132647.webp)
Gabriel
- 169
- 5
0
votes
0 answers
Debian server does not get to grub on boot (possible raid issue)
First a bit of backstory. I'm working at a small business that runs their own web/mail/file server. The server is running on Debian lenny and I have been trying to update it, I ran into a problem with dovecot not starting so decided to reboot the…
![](../../users/profiles/216450.webp)
Seize the Cheese
- 1
- 1
0
votes
2 answers
removed files from /tmp/ directory - can't login anymore
I'm a system integrator(evidently noob), and today i've made my first scan with rkhunter, a tool that look into the system for check the presence of rootkits.
After that scan i -foolishly- decided to remove the files inside /tmp/ directory, because…
![](../../users/profiles/212565.webp)
lese
- 192
- 2
- 8
0
votes
1 answer
Configure GRUB on XEN VPS
I have a xen VPS with debian 7 x86_64 installed on it. The operating system comes with GRUB2 installed on it. The problem is that while runnnig
apt-get update
apt-get upgrade -y
GRUB says The GRUB boot loader was previously installed to a disk…
![](../../users/profiles/201109.webp)
Kolyunya
- 187
- 2
- 9
0
votes
1 answer
Why is my machine not showing anything when booting?
I'm using Ubuntu Server 11.10 x86, and after I make my normal selection (Ubuntu, with Linux 3.0.0-12-generic-pae) from the GRUB menu, the screen just goes blank - there's not even a cursor showing up.
Basically I (suspect that I) had a bad NFS mount…
![](../../users/profiles/179954.webp)
s g
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