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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Windows Server 2008 R2 with Mirrored Disk Booting to Black Screen

I've got a Windows Server 2008 R2 device with 2 disks formatted as Dynamic Mirrored disks booting to a black screen. Upon booting the machine goes through the standard checks and then gets stuck at a ...
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1answer
83 views

Dynamic dependencies in systemd

I am trying to figure out how to specify dynamic dependencies for systemd that are specific to the current instance@. In the [Service] section I can use EnvironmentFile= to load in variables using the ...
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1answer
131 views

Is there a way in winPE to continue booting from local hdd?

In a lot of linux distro installers or livecd there is an option to continue booting from local or another media device without rebooting the system. I can not find anything like that for winpe 5.1. ...
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2answers
2k views

Can PXE boot of Hyper-V VMs be disabled?

Hyper-V virtual machines have the ability to PXE boot. Obviously, PXE boot raises some security concerns. The problem is, unlike a typical physical machine's firmware, there isn't an obvious way to ...
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7answers
91k views

What is the recommended size for a Linux /boot partition?

What is the recommended size for a Linux /boot partition? And is it safe to not have a /boot partition? I see some servers don't have a /boot partition while some servers have a 128 MB /boot ...
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2answers
103 views

/boot partition filled - updates will not complete

my last update failed because /boot did not have room for the new kernel (or so I guess). Can I safely use rm to blow away the old vmlinuz.*-generic? Thanks
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1answer
50 views

Auto starting rc at startup

So here are the steps i am following . So i add a conf file inside /etc/init.d/myconffile And then to get System start/stop links i have to use the command sudo update-rc.d myconffile defaults 99 ...
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5answers
31k views

Ubuntu - dhcp server 'not configured to listen on any interfaces'

I'm at my wits end on this one; I have tried for hours to get this to work, but I'm stumped. Hope one of you can help. :-) I'm trying to get dhcp3-server to work on Ubuntu. It's installed, and ...
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2answers
271 views

Upgrade key not present?

I have a DELL PowerEdge R520. On boot, just after loading the RAID Controller, I get a weird message: "Upgrade Key Missing! An upgrade key was present on a previous power cycle, but it is not ...
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1answer
1k views

How to access a system with write permission after file system check fails?

I created three new partitions, but after a reboot, the system is being dropped to a shell: /dev/mapper/group-newpartition: clean, 11/655360 files, 276620/2621440 blocks [FAILED] An error occurred ...
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2answers
110 views

Boot to CD image over network [closed]

I have multiple diagnostics CDs that I want to avoid making twenty copies of for the sake of time and convenience. I figured a good way to do this would be to boot an image of the necessary CD over ...
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1answer
138 views

How to avoid PHP errors during server reboot?

I found a PHP error in my server log that says: [02:09:27 UTC] PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] No such file or directory' in ...
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3answers
2k views

Is it safe to reboot a server open to the internet?

Specifically I have an iptables ruleset defined on a server running CentOS. Am I guaranteed / can I guarantee / how can I guarantee that when networking comes online (either at machine boot, or after ...
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0answers
112 views

'Boot' folder was accidentally deleted from WinServer 2008 R1

Unfortunately, the 'Boot' folder in Windows Server 2008 R1 (not R2!) has been erroneously deleted. Now I'm seeng a message that Windows can't be started. Fortunately, I have a copy of the whole disk ...
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0answers
1k views

How to debug why systemd is idling and is not going on with the boot process?

I am trying to create a PV instance for AWS EC2. The template VM is based on CentOS 7, which is using systemd. The disk layout is two partitions: /boot (/dev/xvda1) and LVM2 (/dev/xvda2). The root ...
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4answers
10k views

Superblock last mount time is in the future

Yesterday, I encountered a confused problem. During booting, the system complained that the superblock last mount time is in the future and ask me to fsck. I have used Debian Squeeze for months and ...
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0answers
165 views

Verify architecture of kernel file

Note: I am NOT interested in the currently running kernel, but on a kernel that I am going to boot and which is in a file in the filesystem. I am going to boot a new kernel. I have prepared grub.conf ...
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2answers
521 views

Server won't start. IPMI showing Blue Screen with Ubuntu Linux

I have a remote SuperMicro server that is failing to boot. It's located on a different continent and access is limited. I can get into the BIOS and do whatever I need to, but as it gets through the ...
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1answer
2k views

Can I PXE-boot a desktop PC into a Hyper-V VM? [closed]

I just started exploring Server 2012, and the Hyper-V features are compelling for my place of business. Here is the question: We have several computers around the facility currently running XP and 7. ...
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1answer
308 views

Where to install GRUB 2 boot loader?

I have: sda and sdb which partitions is forming mirror RAID md0 md1 md2 md3 During update process, I was prompted where to install GRUB boot loader - on sda, sdb, md's or all together? What ...
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3answers
660 views

Script errors when run by launchd at startup, but not when run in Terminal

I'm attempting to create a RAM disk that loads the previous contents when the system starts up, and every six hours writes the contents to a disk image. Currently, when you run the script from the ...
4
votes
1answer
6k views

Windows Server 2012r2 black screen after bootup logo

We had a recent power outtage and our VM hosts went down, today I see that the SQL VM which is running Server 2012r2 boots up, we see the Windows logo and then a black screen. I am unable to ...
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2answers
1k views

Is there a way to create a “one-time” boot entry in grub?

I have the following issue: I have a small server (Debian based) to which I can connect remotely (VPN/SSH connection). Now I want to change some boot options (in fact I want to migrate my root file ...
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2answers
2k views

is it possible to run bootp/pxe server using dnsmasq without act as dhcp server

on my network its already exist a router that do dhcp, boot in this network i need to boot a diskless system that use pxe to boot from network, while the pxe server is using dnsmasq to serve O/S, but ...
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2answers
3k views

How do I redirect the kernel console output on Ubuntu 10.04

When I reboot my Ubuntu 10.04 nodes, I'd like to be able to see the kernel boot messages when connecting to the IPMI interfaces using Serial Over LAN mode (ttyS0). What do I need to do to be able to ...
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0answers
102 views

Copy EFI partition to new disk in Windows Server 2008 RAID?

I have the following RAID setup ( yes, disk 1 is failing :) ). I need to copy the EFI partition from Disk 1 to the unallocated space in Disk 0, in order to make it bootable. Does Windows provide a ...
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3answers
4k views

How to wait for network in a batch script when booting on Windows Server?

I'm executing a batch file with TaskScheduler "At system startup" on a Windows Server 2012 in Azure, and I observed that there's no network for 20-60 seconds after the start of the batch. Currently I ...
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0answers
476 views

EC2 instance with partitions for /boot as ext4 and root / as lvm possible?

I've been playing about with this for a few days now. I haven't managed to find an example of someone running an EC2 instance with the root volume partitioned to have /boot on ext4 (or 3 or 2) and ...
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1answer
816 views

Grub giving Error 2: Bad file or directory when I try to locate the kernel

I'm trying to boot a VM with grub-legacy and I'm getting a grub prompt. If I run root (hd0,0) it says Filesystem type is ext2fs, partition type 0x83, but then if I do kernel /TAB it says Error 2: Bad ...
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1answer
2k views

sed fix for BusyBox - boot fail unable to mount LVM

BusyBox why u no vi?! Summary: Ubuntu 14.04 Server after upgrade first boot, only boots to BusyBox v1.21.1 initramfs with "gave up waiting for root device" due to missing /dev/mapper/xxx-root as ...
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1answer
137 views

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 ...
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0answers
363 views

Blank MDT 2013 boot screen on USB Deployment

I am attempting to do refreshes on some machines and on the bootup of a USB drive with a LiteTouch Image I get to the Microsoft Solutions Accelerators screen but I do not get a window for actions. I ...
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1answer
833 views

How to remove the pause during JBoss 5.1.0 GA boot between ProfileServiceBootstrap and AnnotationCreator?

I've managed to strip down my JBoss profile enough that it boots in 1.5 minutes. I started with the web profile and started pulling out stuff I didn't need. The bulk of my boot time can be seen here: ...
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0answers
88 views

Windows 2008 Server is not booting from primary mirrored disk

We have a Windows Server 2008 with mirrored disks (RAID 1). Disk 0 & Disk 1. Last week, Disk 0 failed so we replaced that with new one. Completed mirroring from Disk 1 to Disk 0 using Diskpart. ...
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1answer
2k views

Poweredge 1950 III hangs on boot

I have a Dell Poweredge 1950 3'rd generation server that hangs on boot. More specifically, it hangs on this image: The server has worked fine until recently. The status display reports no errors ...
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1answer
129 views

How do I make certain images available when user selects certain boot image? [WDS]

I have a Windows Server 2012 R2 Installation that is used for everything under the sun including Network installation services. I would like to have the server offer certain images based upon the ...
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2answers
7k views

Ubuntu 13.10 - How to disable LVM and cryptsetup? cryptsetup: evms_activate is not available

I am trying to remove whole drive encryption from my Ubuntu installation. I've run Ubuntu from Live CD, mounted crypt partition and copied it to another partition /dev/sda3. sudo cryptsetup luksOpen ...
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2answers
792 views

SCO UNIX problem: “Cannot create /var/adm/utmp or /var/adm/utmpx”

Hey everyone, I have an old server that doesn't boot. I don't know the version of unix installed, but I see SCO UNIX. It stops with that error: UX:init: ERROR: Cannot create /var/adm/utmp or ...
2
votes
3answers
4k views

Mount EncFS at boot

am trying to get an EncFS encrypted home to mount at boot without user input (directly, not via ssh). Have tried various solutions (adding a volume entry in pam_mount.conf.xml, various tweaks to ...
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1answer
209 views

First Boot Script for variety of platforms

I'd like to make a firstboot script for CentOS 5/6 and Ubuntu 12.04/12.10/14.04. If possible, I'd like to use one method to trigger this script to run. From what I can tell, this rules out ...
8
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4answers
15k views

Inaccessible_boot_device after installing KB2919355 on Server 2012R2

I have a server 2012r2 machine that I just installed KB2919355 (the mega 800+MB patch recently released for Windows 8.1 and Server 2012). Server is a Dell Poweredge R715. Disks are 2x500GB SAS in ...
5
votes
3answers
3k views

Getting NFS clients to retry mount if NFS server down when client boots

I have an NFS server that several clients mount. I am using the following in my /etc/exports on the server: /content *(rw,no_root_squash) and on the clients in my /etc/fstab I have: ...
2
votes
2answers
1k views

How long does it take to reboot CentOS 6 server remotely? [closed]

I am renting a dedicated bare metal server running the latest version of CentOS. It's new and I haven't fully configured it. I updated the existing packages and rebooted the machine remotely using # ...
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1answer
215 views

Initrd and Initramfs

I have read about the differences between the two from stackoverflow. But I am still finding it difficult to understand tmpfs and the real advantages of initramfs over initrd. I find that on RedHat ...
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1answer
215 views

Unable to mount the file system from server to client while booting through network

I want a client which loads kernel and file system from the server through network. Till now, On server side, i changed the settings in /etc/dhcp/dhcpd.conf to get an ip-address to the client. After ...
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2answers
176 views

Is a bad NFS mount preventing a clean boot?

I'm on Ubuntu server (I think it's 12.04, but not positive) and I basically ran into this problem here Unmount a nfs mount where the nfs server has disappeared The umount command didn't work, so I ...
2
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1answer
183 views

Dell BIOS Update Date

Is there a way to gather information as to when a BIOS on a particular server has been updated? I'm not looking for the BIOS release date, I'm looking for the date in which the bios was actually ...
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0answers
94 views

Unable to connect to linux server

I tried to connect to my Linux server as root via ssh, and then when it asks me for a password I get this error message : login:status code retuned 0xc00000b5 NT_SATUS_IO_TIMEOUT CIFS VFS:send error ...
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0answers
418 views

Can't boot VM after P2V or ghost - Linux 2.6

I got this old machine that runs on a p2 400 and a Linux Debian 3.1 with kernel 2.6.8 and since it has modified binaries due to internal undocumented changes in the code, migrating off manually isn't ...
2
votes
1answer
1k views

Fedora 11 System - Failed Hard Drive Removed, and Boot gets GRUB Hard Disk Error [closed]

Greetings, I have a machine with a 120GB ATA drive that has what I thought to be non-essential data on it. I also have a 320GB SATA hard drive with the OS/Application/Files (good data I want to ...