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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167 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 ...
1
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1answer
245 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 chkconfig,...
0
votes
1answer
1k views

Linux won't boot after install for Dell PowerEdge 2850 in SCSI Mode

I was successfully able to install CentOS 6.5 x86_64 Minimal from CD, and setup software raid during the install steps, after having set the Dell PowerEdge 2850 to SCSI Mode which enabled CentOS to ...
2
votes
2answers
2k 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 # /...
0
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1answer
317 views

RHEL boot partition size during auto-installation

We are installing some servers with same RHEL image. During the installation, all but one, have had no problems with a 250MB boot partition. The one server, after the installation has received boot ...
0
votes
1answer
257 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 ...
2
votes
1answer
847 views

HP Proliant DL380 G3 not booting. Error “1611 fan 7 not present” after changing power supply

I inherited an HP proliant DL380 G3 some years back and it's been working faithfully as a games/web/build server. At some point during the past year where I haven't been using it the power supply ...
5
votes
3answers
6k views

IBM x3650 will not boot from USB

Hello serverfault community, and thank you in advance for your time. Summary: I have an IBM x3650, which I bought secondhand (eBay). I am trying to install and run VMWare ESXi 5.5 on it via a USB ...
4
votes
1answer
7k 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 ctrl+alt+...
2
votes
1answer
199 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 ...
0
votes
0answers
97 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 ...
4
votes
3answers
12k 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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vote
1answer
3k 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 ...
0
votes
0answers
502 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 ...
3
votes
2answers
2k 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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0answers
253 views

How does virt-install create and persist and secure the boot disk?

Normally when i run virt install, I boot initially from the network, by installing from source, and also including a "--disk" option. The way i do it is described here ( in the "root" of this ...
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vote
1answer
467 views

KVM: Machines unbootable after host reboot

Im finding that my KVM guests are unusable after i reboot my host. Specifically, I always get this error: Booting from hard disk Boot failed: not a bootable disk What causes this error? ...
8
votes
4answers
17k 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 ...
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4answers
3k views

How to restart Alcatel-Lucent OmniSwitch 9600

I need to restart/reboot an Alcatel-Lucent OmniSwith 9600. I cannot find the option to reboot the switch from the web interface. How else can I reboot the switch without pulling the power? I was able ...
0
votes
1answer
6k views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
4
votes
1answer
718 views

Terminal Server Licensing (per device) in a dual boot environment: 1 or 2 licenses per PC? [duplicate]

in our company I have a few computers that are already Windows 7 clients to a Windows Server 2008 R2 but are now supposed to receive an additional Linux installation as a dual-boot option. The ...
3
votes
1answer
4k views

startpar process left hanging when starting processes from rc.local or init.d

I have a peculiar issue when starting ongoing(service-like) processes from either full blown init.d script (SysV style) or a simple one-line call from rc.local file like so: su someuser -c "/home/...
6
votes
1answer
815 views

Providing normal users(non-root) with initialization and shutdown auto-run capabilities

I'm hosting an experimental/testing Linux box, running Debian Wheezy 7.4.0 distribution. Different users log into the machine over ssh to their accounts and are allowed to run the development tools ...
1
vote
1answer
578 views

Can't access my Sun X2270 Fire Server BIOS/ILOM

I just purchased two 2nd hand Sun X2270 Intel servers and i can't boot or access them. They have a Service Processor installed but i don't get any signal on VGA output. If i add an ethernet to the ...
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votes
1answer
920 views

how to skip ntpdate synchronization during boot on centos

I moved a centos server to a new IP and now it's stuck on ntpdate synch during boot. I just need it to boot once so I can assign the new IP. Going back to the old IP is not an option right now. CTL C ...
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0answers
513 views

I am seeing error during boot sequence on HP ProLiant ML350p Gen8

The error states: Caution: Memory conflict detected. You may face boot problem. What steps would you recommend I take to troubleshoot this? Details: Dual Xeon E5 v1, two LSI 9286-8e RAID-on-...
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0answers
117 views

Wrong PATH in init script on boot

Since the update of the System on my Synology NAS (x86), I have some problems with my startup scripts. The Bash scripts are stored in /usr/local/etc/rc.d. The scripts were executed for sure, because ...
9
votes
2answers
990 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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votes
2answers
868 views

No advantage from SSD boot drive for 24/7 server? [closed]

Since my OS and applications are loaded into memory upon boot, isn't there no advantage from having my OS on an SSD boot drive for a server that is kept up 24/7? I know there are several assumptions ...
0
votes
0answers
50 views

Ubuntu 13.04 instance crash: how to debug?

We're running a server on Ubuntu 13.04 which crashes quite randomly (the instance itself crashes, not the apache2 component). I've enabled # Run bootlogd at startup -> BOOTLOGD_ENABLE=Yes , but ...
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vote
2answers
446 views

Find the reason of why does Sunfire V100 (SunOS 5.9) server not start

I have a Sunfire V100 (SunOS 5.9) server which was working fine till 14th February 2014. After that day we can not access this server. Today I was able to connect server through a console and I got ...
0
votes
3answers
284 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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votes
1answer
97 views

Xen doesn't boot after install [closed]

I tried to setup Xen by the instruction released on the site of my hoster. I installed Xen, completed RAID setup as it is told in the instruction. Rebooted and succesfully connected to Xen from ...
1
vote
1answer
474 views

PowerEdge 2850 boot issue due to lost raid config

I have an older dell PowerEdge 2850 that has a boot issue when the server boots it comes up with the error pxe- e53 no boot filename received. I believe the raid card and memory where pulled and as ...
1
vote
2answers
8k 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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vote
1answer
1k views

Why or who did reboot my server

One of our servers rebooted last night reboot system boot 2.6.32-5-amd64 Wed Jan 15 03:24 - 16:07 (1+12:42) Our hoster didn't do it, nor did I. syslog does not show any error Jan 15 03:17:01 ...
0
votes
0answers
371 views

CentOS hangs on boot after watches established

CentOS can not boot and hangs after Setting up watches. I saw the following in verbose boot. But It will boot into single user mode. CentOS 6.5 X64 any ideas to fix this please? Starting crond ...
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votes
1answer
88 views

ESXI cannot boot with external hdd [closed]

I've tried to make ESXI vm's to boot up automatically when a reset happened to ESXI host(HP dl380), and I've got an external H.D.D connected to it for backup purpose but the problem is that ESXI ...
0
votes
1answer
243 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 ...
1
vote
2answers
1k views

How do I fix my server to boot properly after removing / adding a drive on my mdadm software RAID

I configured a RAID-5 array for a data partition mounted on /mnt/data. My system is not booting on it (/ and /boot is on a dedicated drive not part of any RAID array). I added a 4th drive to my 3 ...
0
votes
2answers
1k views

System does not boot from root LVM RAID1 partition when any of the underlying PV is missing

I have LVM RAID 1 (not mdadm RAID 1, but exactly LVM2 RAID 1) for my root partition. I would like to make my system boot without either of the HDDs where the underlying PVs of the root LVM partition ...
4
votes
1answer
1k views

Slow boot and dns doesn't work

I don't understand what happened because i didn't change anything in system for quite a long time. Now system boots too slow and when it's booted - dns requests don't work. I can ping remote hosts by ...
1
vote
1answer
199 views

PXE Booting: Default boot file name?

When implementing PXE booting, is it necessary to specify a specific boot file in the DHCP options, or can you have a default boot file and so not specify that option?
2
votes
1answer
370 views

Why is my iscsi device causing my CentOS server to fail to boot?

The iSCSI mount I have attached to a CentOS server became unresponsive and caused the CentOS server to lock up. When the iSCSI server was repaired the CentOS server was rebooted, but even though iscsi ...
8
votes
2answers
17k views

How to remove old kernels on CentOS 6 (to free up boot partition)? [duplicate]

How does one determine which kernels to remove in order to free up some space on /boot partition. Here is a scenario (some background info). 1. Parititon info (in case it helps) # df -h Filesystem ...
1
vote
1answer
103 views

Understanding ARP traces during OS load

Consider the following ARP packets captured while a unix machine was booting. From the packets I understand that this machine whose MAC address is 00:22:22:22:22:22 is requesting information about ...
0
votes
1answer
2k views

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. ...
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votes
2answers
197 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
votes
1answer
491 views

Waiting for devices to come up on Debian boot

I'm running OpenVPN and dnsmasmq on my wheezy system. Dnsmasq is only necessary for VPN and local users, so I don't want it to listen on all devices (yes, there is also a firewall, anyways). When ...
0
votes
1answer
2k views

boot from pendrive FREEBSD Mounting from cd9660 :/ dev/iso9660 error :/ dev/iso9660/FREEBSD_INSTALL failed with error 19

I am trying to install FreeBSD from a pen drive. But it returns an error on boot. cd9660 :/dev/iso9660 error :/dev/iso9660/FREEBSD_INSTALL failed with error 19 and appears mountroot> command ?...