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.

learn more… | top users | synonyms

9
votes
8answers
20k views

How to repair/restore ubuntu 10.04 after 'sudo chmod / 777'

See Also: Why is “chmod -R 777 /” destructive? I changed file permissions recursively on the root directory / by executing sudo chmod -R / 777, and after that my system won't ...
2
votes
2answers
8k views

How to change Linux services startup/boot order?

As the question is clear from the title, how do I change Linux services startup/boot order?
1
vote
2answers
1k views

Set startup order for KVM virtual machines via libvirt?

I have some server applications failing because their virtual machine starts up before the database virtual machines. Anyway to configure libvirt to start them up in a certain order and possible ...
0
votes
2answers
414 views

Centos - Automatically issue a command after rebooting

I need to automatically issue a command on my CentOS 4.8 server after it reboots and/or powers up. Can someone please tell me where I can place this? Is there a configuration file somewhere for this? ...
14
votes
8answers
60k views

How to make a bootable USB drive out of a bootable DVD or CD

Is there a "universal" way of how you can make a bootable USB drive out of a bootable dvd or cd? What makes a USB drive bootable? What makes a dvd and cd bootable? For example there is a program ...
4
votes
8answers
12k views

How can I get my License Key from a boot CD?

We recently acquired a server that's been in use for a while, but no associated software, logins, etc. We attempted to blank the administrator account password, but that didn't work. We also tried ...
2
votes
2answers
3k views

How can i run shell script at boot (start up)

How can i run shell script every time my system boot ( start up ) in linux (RHEL 5)?
7
votes
4answers
6k 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 ...
8
votes
2answers
11k views

IBM Server takes a long time to boot past UEFI to OS

I have a pair of IBM System x3620 servers. These servers do fine once they finally reach the point where the operating system takes over, but it takes them forever to get past the new-fangled UEFI ...
1
vote
1answer
1k 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 ...
1
vote
1answer
1k views

apache2 not starting at boot. Even if set up in runlevels

On my Ubuntu 10.04.4 server apache2 2.2.14 is installed. A few months ago starting apache2 at boot worked fine. Now I've found out that after a reboot apache2 doesn't start automatically anymore. ...
1
vote
1answer
157 views

Boot configuration error: Fedora 15

I have a Fedora 15 installation on VirtualBox. When I added another virtual hd it erased all the grub.conf. Now I'm trying to manually add the CD-LIVE correct command in grub.conf, but is giving ...
5
votes
4answers
39k views

How to boot ISO image using gpxe and memdisk?

I have a repository of an ISO images (many different OS installers in ISO format) under http://myrepos/*.iso. I would like to boot from that repo using gPXE (with/without memdisk if necessary) and ...
10
votes
5answers
861 views

Recommended way to disable a service in Debian

Is there a "recommended way" to disable a service in Debian? (Disable = The service is installed but won't start automatically when the machine boots.) I know that you can update-rc.d -f service ...
6
votes
1answer
2k views

combine partitions to one disk image

I have 3 images. Each image was done by cloning (by dd) a partition (these partitions formatted using ext3 file system). One partition is boot-able with GRUB1 (CentOS) How can I combine them to one ...
2
votes
5answers
9k views

Boot to remote desktop

I'm trying to find out what existing options there are out there to boot a machine into a remote desktop (RDP). Ideally the user would have a USB key and just plug it into the machine and boot via it ...
3
votes
2answers
9k views

How to run script on first boot?

I need to run some bash script only once on first boot (after OS installation) of my CentOS machine This script should run before network service start (because this script will change network ...
2
votes
1answer
4k views

grub2 does not find /boot on RAID1 md0 device

I have RAID1 md0 for /boot consisting of 4 partitions (sda2, sdb2, sdc2, sdd2). I'm using GPT on 2TB HDDs, so first partitions on each disk (sda1, ...) are 1-megabyte bios_grub partitions. I also ...
6
votes
1answer
326 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 ...
5
votes
3answers
3k views

How to free up space on RHEL6 /boot safely?

I am trying to do yum update on RHEL 6 box and I am getting this error message Transaction Check Error: installing package kernel-2.6.32-279.9.1.el6.x86_64 needs 10MB on the /boot filesystem ...
3
votes
1answer
505 views

Second NIC “not working properly” on diskless Server 2012

I've got (after a considerable fight) a diskless Server 2012 running via the MS software iSCSI initiator being booted via gPXE chained from the NIC's PXE. However, now that it is booting properly I ...
3
votes
3answers
1k views

CentOS: Init scripts failing to start for some unknown reason

I'm running CentOS 6.2 - I've just migrated some applications over to a failover server, and copied their init scripts into /etc/init.d. I've made them executable, added them to chkconfig, with ...
3
votes
3answers
2k views

Tell ubuntu to ignore dead hard drive during booting?

How can I tell Ubuntu to ignore my dead hard drive during booting? I know my secondary hard drive is bad, but I cannot take it out. Every Reboot takes forever because Ubuntu tries to read from it for ...
2
votes
1answer
1k views

How can I troubleshoot a service not starting at boot?

I've got a service set up to start at boot but it's not doing so and I don't know where to look (e.g. logs) to troubleshoot it. I've verified the run level: $ grep default /etc/inittab ...
1
vote
1answer
172 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? ...
4
votes
5answers
3k views

Windows boot iso file without press any key

I'm trying to make an iso file which will boot without any key-press from the user. In Windows iso files, when booting from a cd, there is a message "press any key to boot from cd" which will wait for ...
2
votes
0answers
112 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 ...
2
votes
1answer
130 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: ...
2
votes
3answers
2k views

debian boot hide all messages

I am trying to configure a debian Lenny server to hide all technical messages on screen during boot, up until the invite to login (in CLI, no X server). As a bonus, it would be great if I can add some ...
2
votes
4answers
604 views

Running Linux on a read only disk - possible?

I'm wondering if it is possible to run a Linux server from a read only disk, specifically CentOS 5.4. Our system has a number of Linux machines each with their own disk with it's OS installed. ...
2
votes
9answers
2k views

Scripting during Linux boot: how to test when boot is “complete”?

I've got a script that gets run during boot on a Debian server. It's getting run too early, but I can't control when it's fired off. I can force the script to delay its own run with: sleep 60 ...
1
vote
4answers
5k views

UNEXPECTED INCONSITENCY run fsck manually redhat

I erroneously restarted my server before completing a filesystem resize. Here's the command that ran successfully before restarting: lvresize -L -400GB /dev/mapper/vg_yavin-lv_home At boot, I get ...
1
vote
1answer
5k views

New install Ubuntu 10.10 Server, won't boot. “ls /dev/disk/by-uuid” generates Bus Error

I installed Ubuntu 10.10 Server on a very old computer (bought it in 2002), but it won't boot. It tells me it can't find the root mount volume by it's UUID and also gives me the follwing type of ...
1
vote
3answers
439 views

IBM Bladecentre H Bootup Sequence Control

I have a bladecentre with blades, network and a SAN in a single rack. What I'd like to do is control the startup of the bladecentre so that when the rack is powered on that the blades will delay ...
0
votes
1answer
705 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. ...
0
votes
1answer
522 views

Force apache start after mysql

I have the problem that my apache2 doesn't start at boot. After debugging I found out that a webpage init script tried to connect to MySQL which isn't running at that time. My OS is Ubuntu Server ...
0
votes
1answer
564 views

Strange boot behaviour

I have installed Arch Linux on a server machine with a LSI hardware RAID 5. When the machine boots, it says: :: Triggering uevents... udevd[37]: worker [41] timeout, kill it udevd[37]: seq 547 ...
0
votes
1answer
988 views

Setting up PXE boot server for Ubuntu 11.04

I want to setup a pxe boot server for installing linux 11.04 amd64 server edition on some blade servers. I had installed 10.04 last year and it worked nicely. I am following same procedure for 11.04 ...
0
votes
1answer
374 views

Blank screen after grub menu

I just rebooted an Ubuntu Server 10.04. After choosing boot options in the grub menu, though, it just displays a black screen with the blinking white underscore in the upper-left corner. The machine ...
-1
votes
2answers
110 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 ...
-1
votes
1answer
568 views

Linux “/dev/SDA” goes read only file system on SDB device failure [closed]

i have a very peculiar issue that is running in my system. Using debian linux : My system boots up very normally with a primary and secondary hard disk. suddenly my secondary hard disk fails with ...