Booting is the initial set of operations that a computer system performs when electrical power is switched on. The process begins when a computer that has been turned off is re-energized, and ends when the computer is ready to perform its normal operations.

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debian unable to automount partition at boot

I have a single usb drive connected to my server, and I am unable to get it to automount at boot time. If I manually execute mount -a it mounts correctly. my fstab is as follows: proc ...
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1answer
25 views

Empty /boot/grub/grub.conf of a remote server, how to recrete it from recovery?

My remote server (running CentOS 6.6 x64) can't boot anymore. Using the emergency recovery (a LIVE CD) i can actually look that /etc/boot/grub/grub.conf and it's empty (0 bytes). I don't know why, ...
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3answers
3k views

Use GRUB/GRUB2 to PXE boot OS image

Asked this in stackoverflow but they recommended I post this here: Here is the situation I am in: I currently have a Windows drive that boots XP. The BIOS does not support PXE booting so this is out ...
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1answer
24 views

Windows 2012R2 hyper-v guest diskless - boot from iscsi guide?

I am attempting to build a generation 2 W2012R2 hyper-v server guest that, configured with no disk or vhd , will select it's iscsi o/s disk via Microsoft dhcp and boot Windows 2012 R2. Note that I ...
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0answers
13 views

unable to open luks encrypted device (wrong password) [migrated]

I'm using CentOS 7 with a luks encrypted root partition. Usually I have to type my password during boot, but sometimes the system doesn't accept it. It reacts as it was wrong, but it isn't. I did not ...
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0answers
10 views

OpenSUSE 13.1 Server boot delay [on hold]

I have a Server that has a fakeRAID RAID1 (with 2 HDD 500 GB).I had a power outage and the RAID broke.Now im working only with 1 HDD and the server works properly.But since it is working with one HDD ...
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1answer
28 views

RHEL7 server won't boot after restart - “Failed to start LSB”

I have a RHEL7 server that has been running for the past couple weeks, but it won't come back up after a restart now. I have daily snapshots, but all of them seem to be affected by the same problem. ...
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3answers
3k views

mdadm Boot Error, incrementally starting raid array Ubuntu SErver 14.04

i build a small Server with Ubuntu 14.04 for Samba, I has one SSD Drive (the ubuntu installation is on it) and 2 3TB SATA Disk, the sata disk are combined to a Raid 1 with mdadm. Now sometimes (no ...
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3answers
4k views

how to boot and install opensolaris using USB drive

I have a server that does not have a CD/DVD drive.. How can opensolaris be installed using USB interface? specifically what tools/steps that need to be performed to prepare USB flash drive as install ...
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22 views

CentOS 7 Crash on boot [migrated]

Getting this message attempting to boot CentOS 7 BUG: unable to handle kernel NULL pointer dereference at 000000000000009B And then a kernel panic Happens when trying to boot from the OS HDD or ...
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1answer
1k views

pfsense live cd and boot options

I donwloaded pfsense live cd 2.1.3 and now I want to run pfsense from an usb cdrom drive. It loads a while and than crahses with "unable to mount ..." I know I have to choose boot option 3 in order ...
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2answers
2k views

What is the correct way to install software RAID 1 in CentOS 6.4?

I'm going to install CentOS 6.4 on HP ProLiant ML310e Gen8 server. This server has fakeraid controller so i decided to use software raid. The problem is that i don't know how to correctly install GRUB ...
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0answers
58 views

INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines

I have a Hyper-V 2012 R2 cluster, 4 Dell PowerEdge R620 servers connected to a Dell PowerVault MD3600F storage array by means of FC connections; it's all pretty straightforward, all servers run ...
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0answers
16 views

Desktop system doesn't always hit BIOS [migrated]

I have a desktop system that ran fine for months, but now it doesn't even hit BIOS most of the time. I've replaced a battery on the motherboard (CR2032) and the power supply, and the behavior hasn't ...
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4answers
3k views

booting FreeBSD 9 from USB stick: boot error

I am trying to boot FreeBSD 9 from a USB stick that I created following the official guidelines: dd if=FreeBSD-9.0-RELEASE-i386-memstick.img of=/dev/da0 bs=64k Booting fails with a simple 'boot ...
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3answers
102 views

Attaching SATA device disturbs boot order

I'm running a Supermicro X7DCA board in a NAS server. Whenever I plug in a sata disk the boot sequence goes out of order. This is a problem, because it is running headless. I've had this problem ...
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1answer
6k views

Bootrec /FIXBOOT vs Bootrec /FIXMBR

According to Microsoft here is what Bootrec /FIXBOOT does: "This option writes a new boot sector to the system partition by using a boot sector that's compatible with Windows Vista or Windows 7" ...
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1answer
271 views

Conversion from Basic failed

Hi I am in an emergency situation right now. I DO have full backups of everything, but I am trying to avoid a complete reinstall of the OS and AD. I have a simple server with one drive that was set ...
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2answers
252 views

Broken ubuntu installation doesnt booting

My local Ubuntu 7.10 dev server was unresponsive the other day so I rebooted it and now I can't boot into it. I can boot into the Live CD and mount my hdd so I can have a look at the logs and what ...
0
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0answers
15 views

Sun Netra 240 not booting to ALOM

I inherited a Sun Netra 240 with no OS installed (indeed, with no hard drives). I did some googling, and came up with a few manuals, all of which I downloaded: Netra 240 PROM Guide Netra 240 ALOM ...
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1answer
12 views

Modify Clonezilla boot parameters on generated images/ISOs

I can take a Clonezilla-generated ISO and extract the contents, then manually edit the syslinux.cfg (and other .cfg's) to adjust the boot parameters after creating the ISO, then repackaging it up. ...
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0answers
28 views

Windows Server 2008 R2 - boot mode issue

Ive a little problem with Server 2008 R2. Recenly ive stuck in safe boot loop, after few tricks i was able to login to server, but right now i cant select Normal Boot mode. When I'm selecting this ...
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2answers
733 views

Can we set ulimit in /etc/sysconfig/init file to apply the value at boot time

I need to have the ulimit value set at the boot time to all my services. I have values set in /etc/sysconfig/limits.conf but these values are not applicable during the boot time and it takes 1024 as ...
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2answers
4k views

How to change boot device on vm installed on Citrix Xen Server to DVD

I have installed Centos 6 on my new Xen Server (XenServer release 6.2.0-70446c). Everything went smooth. System is working fine but now I want to change boot device on that VM to boot from DVD (iso ...
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1answer
168 views

Bootable USB backup

I would like to create a copy of my running Linux installation onto a USB 16 GB pen drive. The current system is a basic ATX PC used as a headless server on a remote location. I would like to have a ...
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0answers
14 views

Disabling PCIE_ASPM using UEFI without GRUB [migrated]

I'm encountering issues with my wireless adapter (Intel AC7260) while running ElementaryOS Freya Beta 1. I've read that setting pcie_aspm=off has helped others before, and I would like to try this, ...
0
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1answer
130 views

Windows 8.1 stuck in Automatic Repair boot loop - Proxmox VE [closed]

I installed Windows 8.1 64B in a VM on Proxmox-VE. It was running fine for a few days until it needed to be rebooted (updates). First I tried reinstalling the OS which worked, until it needed to be ...
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2answers
40 views

Create an MBR on secondary plex

I have a HP Proliant ML350 g6 server running windows 2008 std R2. This server had two hardware arrays in it. One array was a raid 0 with 1 physical drive running raid 0. The other array is 5 physical ...
9
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2answers
948 views

How much data does Linux read on average boot?

I wonder how much data in total does a freshly installed vanilla Linux system (like 32-bit CentOS 5.10) read in order to get to a virtual console shell prompt? You know, reading all the configuration ...
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2answers
303 views

Linux xen directly boot windows domu?

I have the following situation: got a new notebook with Windows7 pre-installed (sda1 with boot partition, actual OS in sda2), one physical disk (sda) created an extended partition (sda3), inside ...
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2answers
3k views

Red Hat Kickstart: How do I get a DVD-ROM based install to work?

I'm trying to create a "Magic DVD" that will install and configure RHEL 6.2 just the way we want it the first time, every time. Here's the process I've been trying to use, just to prove the concept: ...
3
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1answer
28 views

mbr and boot sector overwritten with structured yet very odd data

I work for a web-hosting datacenter. One server was having issues with its RAID, and we were attempting to reboot into single-user mode to repair a read-only /tmp Upon rebooting, the server wouldn't ...
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2answers
4k views

Areca 1880i RAID card doesn't initialize: “Waiting for F/W to become ready”

During a kickstart installation (Centos 6.0) of a server having this hardware: Areca 1880i 8-port SAS RAID PCIe 512MB cache Areca Battery Backup Module 6 Hitachi Deskstar 7K3000 HDS723030ALA640 64MB ...
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0answers
25 views

mdadm/grub2/lvm boot failure if all drives are physically connected

Weird problem here. I've got a Debian 7 server (quad core, 32GB RAM) that runs a whole bunch of VMs. The main boot drive is a RAID 1, with an LVM volume group called System, which contains a bunch of ...
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votes
2answers
1k views

FreeBSD 10 won't boot to ZFS root after power failure

While installing new hardware today, I involuntarily disconnected the power to one of our servers. This server is running FreeBSD 10 with Root-on-ZFS as offered by the installer. It has a total of 36 ...
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3answers
581 views

Dell Optiplex 960 will boot from CD but not DVD media

Dell Optiplex 960, stock, BIOS A07, no BIOS updates available from Dell's web site. Has HDD connected to SATA0, and DVD-ROM connected to SATA1. Machine will not boot from any DVD+R or DVD-RW media in ...
2
votes
1answer
849 views

KVM guest won't boot from hard disk image, but will from CD-ROM image

I'm using KVM to host a Debian unstable guest on a Debian unstable host. Emphasis on 'unstable' :-) Until recently (and until a recent round of Debian package updates on both host and guest) this was ...
2
votes
0answers
106 views

Ubuntu on EC2 boot error after dist upgrade to 14.04: disk drive for / is not ready yet or not present

I just upgraded my Ubuntu 11.10 EC2 instance to 12.04, then to 12.10 and finally to 14.04 using the do-release-upgrade command each time. I arrived at 14.04 and the instance will not boot now, it ...
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0answers
20 views

Boot from ISO on Remote Server with RAID (Ubuntu)

I have tried to boot from an iso file with GRUB but it does not work. The problem is that grmf-rescueboot and other standard systems don't work with a Software-RAID (mdadm). So how can I boot from an ...
2
votes
1answer
124 views

ESXi 5 Hypervisor fatal boot error

For over 2 years now I've been running ESXi 5 just fine from a pen drive. I recently had to move the server to a new location and started seeing an issue. Once the system starts to boot, I get: ...
11
votes
5answers
9k views

How do I mount sshfs at boot?

Using a NAS box as 24/7 file server, I'd like to use sshfs to connect to it from an Ubuntu 9.04 desktop. Currently, I have this line in the desktop's fstab: sshfs#jldugger@storage:/mnt/HD_a2/ ...
0
votes
1answer
60 views

How to create a bootable ISO image from a disk snapshot

I've taken a disk snapshot of my Ubuntu VM from Amazon EC2. The snapshot is a ZIP archive of the whole disk. I've downloaded and then extracted the snapshot. Now I would like to create a bootable ISO ...
0
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1answer
84 views

Debian server not booting after software RAID-1 array degraded

So I have a Debian 7 server with 3 hard drives. Its RAID-1 is basically configured this way: md0: sda1, sdb1 --> / (root) md1: sda5, sdc1 + sdb5 (spare) --> /data (sdc1 is on a SSD, and sda5 is ...
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2answers
785 views

VMware ESXi dual / triple boot on a test machine

Has anyone tried to setup a dual or triple boot (ESXi 5.5, Linux, Windows Server 2012R2) machine? This is for an app and controller card testing environment - at the moment we're dual-booting ...
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2answers
133 views

Xen Server, Ubuntu VM increased disk size, now will not boot

Citrix XenServer 6.2 Running Ubnutu Server 14.04 It had a 300GB disk attached, using XenCenter I increased the disk size to 500GB, planning on using gparted to resize the partition. Now it will not ...
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2answers
48 views

Windows 2008 R2 Boot-from-SAN Migration Methods?

We are running Windows Server 2008 R2 Enterprise on a Cisco UCS B200 M3 blade server that is diskless. Currently, we are going through a EMC SAN lifecycle/upgrade. I need to perform this migration ...
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39 views

Execute a script while boot up in RHEL7

One of my server reboots every sunday and monday morning, whenever the server is up I need to do a service restart. Actually I call a script to execute itself (everytime manually). What I want to ...
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0answers
8 views

partclone.restore: progress report goes out of box

I am running partclone.restore using the "-N" option, which draws progress in a dialog-like box. If I run this command within the autorun of systemrescuecd (4.3.1), then part of the display text goes ...
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70 views

Booting XenServer Installer on USB

I'm trying to install XenServer on a system that has no CD-ROM drive (it only has a USB) I'm able to successfully boot the server using a bootable USB that boots up Linux (specifically, the GRML ...
0
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1answer
34 views

rc.local, call commands sequentially (one after finishing the other)

I was expecting that in rc.local, If say I call program P1 in one line and then P2 in the following line, P2 would only be executed after P1 (on which it depends for successful execution). This is the ...